Charlotte Platzer Björkman

Functional off-stoichiometry in Cu(In,Ga)Se₂. Part I: topotactic continuum of ordered defect compounds

Sopiha, Kostiantyn; Keller, Jan; Persson, Clas; Scragg, Jonathan J. et al.

Part of Journal of Materials Chemistry A, p. 8072-8087, 2026

• DOI for Functional off-stoichiometry in Cu(In,Ga)Se₂. Part I: topotactic continuum of ordered defect compounds
• Download full text (pdf) of Functional off-stoichiometry in Cu(In,Ga)Se₂. Part I: topotactic continuum of ordered defect compounds

Functional off-stoichiometry in Cu(In,Ga)Se₂. Part II: electronic properties in a wide range of compositions

Sopiha, Kostiantyn; Keller, Jan; Persson, Clas; Scragg, Jonathan J. et al.

Part of Journal of Materials Chemistry A, p. 8088-8099, 2026

• DOI for Functional off-stoichiometry in Cu(In,Ga)Se₂. Part II: electronic properties in a wide range of compositions
• Download full text (pdf) of Functional off-stoichiometry in Cu(In,Ga)Se₂. Part II: electronic properties in a wide range of compositions

In Situ Investigation of HfO_x Atomic Layer Deposition on (Ag,Cu)(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: Role of Absorber Bulk Composition and Surface Treatment in HfO_x Growth

Babucci, Melike; Stolt, Lars; Kokkonen, Esko; Timm, Rainer et al.

Part of ACS Applied Energy Materials, p. 886-895, 2026

• DOI for In Situ Investigation of HfO_x Atomic Layer Deposition on (Ag,Cu)(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: Role of Absorber Bulk Composition and Surface Treatment in HfO_x Growth
• Download full text (pdf) of In Situ Investigation of HfO_x Atomic Layer Deposition on (Ag,Cu)(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: Role of Absorber Bulk Composition and Surface Treatment in HfO_x Growth

Extended thermal admittance spectroscopy for the investigation of composition-dependent meta-stability behaviours in wide-gap (Ag,Cu)(In,Ga)Se₂ solar cells

Pearson, Patrick; Keller, Jan; Carron, Romain; Platzer Björkman, Charlotte

Part of Journal of Physics, 2025

• DOI for Extended thermal admittance spectroscopy for the investigation of composition-dependent meta-stability behaviours in wide-gap (Ag,Cu)(In,Ga)Se₂ solar cells
• Download full text (pdf) of Extended thermal admittance spectroscopy for the investigation of composition-dependent meta-stability behaviours in wide-gap (Ag,Cu)(In,Ga)Se₂ solar cells

Advanced materials provide solutions towards a sustainable world

Hultman, Lars; Mazur, Sara; Ankarcrona, Caroline; Palmqvist, Anders et al.

Part of Nature Materials, p. 160-161, 2024

• DOI for Advanced materials provide solutions towards a sustainable world

Functional off-stoichiometry in Cu(In,Ga)Se₂. Part I: topotactic continuum of ordered defect compounds

Sopiha, Kostiantyn; Keller, Jan; Persson, Clas; Scragg, Jonathan J. et al.

Part of Journal of Materials Chemistry A, p. 8072-8087, 2026

• DOI for Functional off-stoichiometry in Cu(In,Ga)Se₂. Part I: topotactic continuum of ordered defect compounds
• Download full text (pdf) of Functional off-stoichiometry in Cu(In,Ga)Se₂. Part I: topotactic continuum of ordered defect compounds

Functional off-stoichiometry in Cu(In,Ga)Se₂. Part II: electronic properties in a wide range of compositions

Sopiha, Kostiantyn; Keller, Jan; Persson, Clas; Scragg, Jonathan J. et al.

Part of Journal of Materials Chemistry A, p. 8088-8099, 2026

• DOI for Functional off-stoichiometry in Cu(In,Ga)Se₂. Part II: electronic properties in a wide range of compositions
• Download full text (pdf) of Functional off-stoichiometry in Cu(In,Ga)Se₂. Part II: electronic properties in a wide range of compositions

In Situ Investigation of HfO_x Atomic Layer Deposition on (Ag,Cu)(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: Role of Absorber Bulk Composition and Surface Treatment in HfO_x Growth

Babucci, Melike; Stolt, Lars; Kokkonen, Esko; Timm, Rainer et al.

Part of ACS Applied Energy Materials, p. 886-895, 2026

• DOI for In Situ Investigation of HfO_x Atomic Layer Deposition on (Ag,Cu)(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: Role of Absorber Bulk Composition and Surface Treatment in HfO_x Growth
• Download full text (pdf) of In Situ Investigation of HfO_x Atomic Layer Deposition on (Ag,Cu)(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: Role of Absorber Bulk Composition and Surface Treatment in HfO_x Growth

Extended thermal admittance spectroscopy for the investigation of composition-dependent meta-stability behaviours in wide-gap (Ag,Cu)(In,Ga)Se₂ solar cells

Pearson, Patrick; Keller, Jan; Carron, Romain; Platzer Björkman, Charlotte

Part of Journal of Physics, 2025

• DOI for Extended thermal admittance spectroscopy for the investigation of composition-dependent meta-stability behaviours in wide-gap (Ag,Cu)(In,Ga)Se₂ solar cells
• Download full text (pdf) of Extended thermal admittance spectroscopy for the investigation of composition-dependent meta-stability behaviours in wide-gap (Ag,Cu)(In,Ga)Se₂ solar cells

Advanced materials provide solutions towards a sustainable world

Hultman, Lars; Mazur, Sara; Ankarcrona, Caroline; Palmqvist, Anders et al.

Part of Nature Materials, p. 160-161, 2024

• DOI for Advanced materials provide solutions towards a sustainable world

Effects of Al₂O₃ Rear Interface Passivation on the Performance of Bifacial Kesterite‐Based Solar Cells with Fluorine‐Doped Tin Dioxide Back Contact

Sawa, Hezekiah B.; Babucci, Melike; Keller, Jan; Platzer Björkman, Charlotte et al.

Part of Physica Status Solidi (B), 2024

• DOI for Effects of Al₂O₃ Rear Interface Passivation on the Performance of Bifacial Kesterite‐Based Solar Cells with Fluorine‐Doped Tin Dioxide Back Contact

Properties of the Interface Between the Atomic Layer Grown Zinc-Tin-Oxide and Cu₂ZnGeS₄ Relevant for Kesterite Thin-Film Solar Cells

Martin, Natalia M.; Saini, Nishant; Babucci, Melike; Törndahl, Tobias et al.

Part of Physica Status Solidi (A), 2024

• DOI for Properties of the Interface Between the Atomic Layer Grown Zinc-Tin-Oxide and Cu₂ZnGeS₄ Relevant for Kesterite Thin-Film Solar Cells
• Download full text (pdf) of Properties of the Interface Between the Atomic Layer Grown Zinc-Tin-Oxide and Cu₂ZnGeS₄ Relevant for Kesterite Thin-Film Solar Cells

Studies of Atomic-Layer-Deposited Zn_1-X Sn_XO_Y as an Alternative Buffer Layer for Cu₂Zn(Sn_1-X ,Ge_X)S₄ Thin-Film Solar Cells

Babucci, Melike; Törndahl, Tobias; Mukherjee, Soham; Platzer Björkman, Charlotte et al.

Part of ACS Applied Electronic Materials, p. 7989-7999, 2024

• DOI for Studies of Atomic-Layer-Deposited Zn_1-X Sn_XO_Y as an Alternative Buffer Layer for Cu₂Zn(Sn_1-X ,Ge_X)S₄ Thin-Film Solar Cells
• Download full text (pdf) of Studies of Atomic-Layer-Deposited Zn_1-X Sn_XO_Y as an Alternative Buffer Layer for Cu₂Zn(Sn_1-X ,Ge_X)S₄ Thin-Film Solar Cells

In Situ Studies of Atomic Layer Deposition of Hafnium Oxide on (Ag,Cu)(In,Ga)Se₂ for Thin Film Solar Cells

Martin, Natalia M.; Babucci, Melike; Stolt, Lars; Hultqvist, Adam et al.

Part of ACS Applied Energy Materials, p. 461-472, 2024

• DOI for In Situ Studies of Atomic Layer Deposition of Hafnium Oxide on (Ag,Cu)(In,Ga)Se₂ for Thin Film Solar Cells
• Download full text (pdf) of In Situ Studies of Atomic Layer Deposition of Hafnium Oxide on (Ag,Cu)(In,Ga)Se₂ for Thin Film Solar Cells

Ag-Dependent Behavior Threshold and Metastability in Wide-Gap (Ag,Cu)(In,Ga)Se₂ Solar Cells

Pearson, Patrick; Keller, Jan; Stolt, Lars; Donzel-Gargand, Olivier et al.

Part of Solar RRL, 2024

• DOI for Ag-Dependent Behavior Threshold and Metastability in Wide-Gap (Ag,Cu)(In,Ga)Se₂ Solar Cells
• Download full text (pdf) of Ag-Dependent Behavior Threshold and Metastability in Wide-Gap (Ag,Cu)(In,Ga)Se₂ Solar Cells

Effect of Ordered Vacancy Compounds on the Carrier Collection in Wide‐Gap (Ag,Cu)(In,Ga)Se₂ Solar Cells

Keller, Jan; Martin, Natalia M.; Donzel-Gargand, Olivier; Kiselman, Klara et al.

Part of Solar RRL, 2024

• DOI for Effect of Ordered Vacancy Compounds on the Carrier Collection in Wide‐Gap (Ag,Cu)(In,Ga)Se₂ Solar Cells
• Download full text (pdf) of Effect of Ordered Vacancy Compounds on the Carrier Collection in Wide‐Gap (Ag,Cu)(In,Ga)Se₂ Solar Cells

Enhanced performance of Cu₂ZnSnS₄ based bifacial solar cells with FTO and W/FTO back contacts through absorber air annealing and Na incorporation

Sawa, Hezekiah B.; Babucci, Melike; Donzel-Gargand, Olivier; Pearson, Patrick et al.

Part of Solar Energy Materials and Solar Cells, 2024

• DOI for Enhanced performance of Cu₂ZnSnS₄ based bifacial solar cells with FTO and W/FTO back contacts through absorber air annealing and Na incorporation

Toward improving the performance of Cu₂ZnSnS₄-based solar cells with Zr, W or sulfurized layers at the SnO₂:F/Cu₂ZnSnS₄ rear interface

Sawa, Hezekiah B.; Babucci, Melike; Keller, Jan; Platzer Björkman, Charlotte et al.

Part of Thin Solid Films, 2024

• DOI for Toward improving the performance of Cu₂ZnSnS₄-based solar cells with Zr, W or sulfurized layers at the SnO₂:F/Cu₂ZnSnS₄ rear interface

Investigating the Role of Ag and Ga Content in the Stability of Wide-Gap (Ag,Cu)(In,Ga)Se-2 Thin-Film Solar Cells

Pearson, Patrick; Keller, Jan; Stolt, Lars; Platzer Björkman, Charlotte

Part of Physica Status Solidi (B), 2023

• DOI for Investigating the Role of Ag and Ga Content in the Stability of Wide-Gap (Ag,Cu)(In,Ga)Se-2 Thin-Film Solar Cells
• Download full text (pdf) of Investigating the Role of Ag and Ga Content in the Stability of Wide-Gap (Ag,Cu)(In,Ga)Se-2 Thin-Film Solar Cells

On the Impact of Cadmium Sulfide Layer Thickness on Kesterite Photodetector Performance

Zeiske, Stefan; Kaiser, Christina; Sandberg, Oskar J.; Ericson, Tove et al.

Part of Advanced Photonics Research, 2023

• DOI for On the Impact of Cadmium Sulfide Layer Thickness on Kesterite Photodetector Performance
• Download full text (pdf) of On the Impact of Cadmium Sulfide Layer Thickness on Kesterite Photodetector Performance

Depth-Dependent Atomic-Scale Structural Changes in (Ag,Cu)(In,Ga)Se₂ Absorbers Relevant for Thin-Film Solar Cells

Babucci, Melike; Meira, Debora M.; Wallin, Erik; Keller, Jan et al.

Part of ACS Applied Energy Materials, p. 9264-9275, 2023

• DOI for Depth-Dependent Atomic-Scale Structural Changes in (Ag,Cu)(In,Ga)Se₂ Absorbers Relevant for Thin-Film Solar Cells

Post‐deposition sulfurization of CuInSe₂ solar absorbers by employing sacrificial CuInS₂ precursor layers

Khavari, Faraz; Saini, Nishant; Keller, Jan; Larsen, Jes K. et al.

Part of Physica Status Solidi (A), 2022

• DOI for Post‐deposition sulfurization of CuInSe₂ solar absorbers by employing sacrificial CuInS₂ precursor layers
• Download full text (pdf) of Post‐deposition sulfurization of CuInSe₂ solar absorbers by employing sacrificial CuInS₂ precursor layers

The Effect of Absorber Stoichiometry on the Stability of Widegap (Ag,Cu)(In,Ga)Se₂ Solar Cells

Pearson, Patrick; Keller, Jan; Stolt, Lars; Edoff, Marika et al.

Part of Physica Status Solidi (B), 2022

• DOI for The Effect of Absorber Stoichiometry on the Stability of Widegap (Ag,Cu)(In,Ga)Se₂ Solar Cells
• Download full text (pdf) of The Effect of Absorber Stoichiometry on the Stability of Widegap (Ag,Cu)(In,Ga)Se₂ Solar Cells

Off-stoichiometry in I-III-VI2 chalcopyrite absorbers: a comparative analysis of structures and stabilities

Sopiha, Kostiantyn; Larsen, Jes K.; Keller, Jan; Edoff, Marika et al.

Part of Faraday discussions, p. 357-374, 2022

• DOI for Off-stoichiometry in I-III-VI2 chalcopyrite absorbers: a comparative analysis of structures and stabilities
• Download full text (pdf) of Off-stoichiometry in I-III-VI2 chalcopyrite absorbers: a comparative analysis of structures and stabilities

Long term stability and recovery of 3 MeV proton irradiated Cu(In,Ga)Se₂ and Cu₂ (Zn,Sn)(S,Se)₄ thin film solar cells

Pearson, Patrick; Keller, Jan; Larsen, Jes; Kosyak, Volodymyr et al.

Part of Thin Solid Films, 2022

• DOI for Long term stability and recovery of 3 MeV proton irradiated Cu(In,Ga)Se₂ and Cu₂ (Zn,Sn)(S,Se)₄ thin film solar cells
• Download full text (pdf) of Long term stability and recovery of 3 MeV proton irradiated Cu(In,Ga)Se₂ and Cu₂ (Zn,Sn)(S,Se)₄ thin film solar cells

Gettering in PolySi/SiOx Passivating Contacts Enables Si-Based Tandem Solar Cells with High Thermal and Contamination Resilience

Assar, Alireza; Martinho, Filipe; Larsen, Jes K.; Saini, Nishant et al.

Part of ACS Applied Materials and Interfaces, p. 14342-14358, 2022

• DOI for Gettering in PolySi/SiOx Passivating Contacts Enables Si-Based Tandem Solar Cells with High Thermal and Contamination Resilience

Record 1.1 V Open-Circuit Voltage for Cu₂ZnGeS₄-Based Thin-Film Solar Cells Using Atomic Layer Deposition Zn_1-xSn_xO_y Buffer Layers

Saini, Nishant; Martin, Natalia M.; Larsen, Jes K.; Hultqvist, Adam et al.

Part of Solar RRL, 2022

• DOI for Record 1.1 V Open-Circuit Voltage for Cu₂ZnGeS₄-Based Thin-Film Solar Cells Using Atomic Layer Deposition Zn_1-xSn_xO_y Buffer Layers
• Download full text (pdf) of Record 1.1 V Open-Circuit Voltage for Cu₂ZnGeS₄-Based Thin-Film Solar Cells Using Atomic Layer Deposition Zn_1-xSn_xO_y Buffer Layers

Surface/Interface Effects by Alkali Postdeposition Treatments of (Ag,Cu)(In,Ga)Se₂ Thin Film Solar Cells

Martin, Natalia M.; Törndahl, Tobias; Wallin, Erik; Simonov, Konstantin A. et al.

Part of ACS Applied Energy Materials, p. 461-468, 2022

• DOI for Surface/Interface Effects by Alkali Postdeposition Treatments of (Ag,Cu)(In,Ga)Se₂ Thin Film Solar Cells
• Download full text (pdf) of Surface/Interface Effects by Alkali Postdeposition Treatments of (Ag,Cu)(In,Ga)Se₂ Thin Film Solar Cells

Atomic Layer Grown Zinc-Tin Oxide as an Alternative Buffer Layer for Cu2ZnSnS4-Based Thin Film Solar Cells: Influence of Absorber Surface Treatment on Buffer Layer Growth

Martin, Natalia M.; Törndahl, Tobias; Babucci, Melike; Larsson, Fredrik et al.

Part of ACS Applied Energy Materials, p. 13971-13980, 2022

• DOI for Atomic Layer Grown Zinc-Tin Oxide as an Alternative Buffer Layer for Cu2ZnSnS4-Based Thin Film Solar Cells: Influence of Absorber Surface Treatment on Buffer Layer Growth
• Download full text (pdf) of Atomic Layer Grown Zinc-Tin Oxide as an Alternative Buffer Layer for Cu2ZnSnS4-Based Thin Film Solar Cells: Influence of Absorber Surface Treatment on Buffer Layer Growth

Experimental and Theoretical Study of Stable and Metastable Phases in Sputtered CuInS₂

Larsen, Jes K.; Sopiha, Kostiantyn V.; Persson, Clas; Platzer Björkman, Charlotte et al.

Part of Advanced Science, 2022

• DOI for Experimental and Theoretical Study of Stable and Metastable Phases in Sputtered CuInS₂
• Download full text (pdf) of Experimental and Theoretical Study of Stable and Metastable Phases in Sputtered CuInS₂

Ultrathin wide band gap kesterites

Platzer Björkman, Charlotte; Larsen, Jes K.; Saini, Nishant; Babucci, Melike et al.

Part of Faraday discussions, p. 38-50, 2022

• DOI for Ultrathin wide band gap kesterites
• Download full text (pdf) of Ultrathin wide band gap kesterites

Bandgap engineered Cu₂ZnGe_xSn_1−xS₄ solar cells using an adhesive TiN back contact layer

Saini, Nishant; Larsen, Jes K.; Lindgren, Kristina; Fazi, Andrea et al.

Part of Journal of Alloys and Compounds, 2021

• DOI for Bandgap engineered Cu₂ZnGe_xSn_1−xS₄ solar cells using an adhesive TiN back contact layer

Investigation of AgGaSe₂ as a Wide Gap Solar Cell Absorber

Larsen, Jes Kipkoech; Donzel-Gargand, Olivier; Sopiha, Kostiantyn V.; Keller, Jan et al.

Part of ACS Applied Energy Materials, p. 1805-1814, 2021

• DOI for Investigation of AgGaSe₂ as a Wide Gap Solar Cell Absorber
• Download full text (pdf) of Investigation of AgGaSe₂ as a Wide Gap Solar Cell Absorber

Dynamic Impurity Redistributions in Kesterite Absorbers

Grini, Sigbjorn; Aboulfadl, Hisham; Ross, Nils; Persson, Clas et al.

Part of Physica Status Solidi (B), 2020

• DOI for Dynamic Impurity Redistributions in Kesterite Absorbers

Passivation of CdS/Cu2ZnSnS4 Interface from Surface Treatments of Kesterite-Based Thin-Film Solar Cells

Martin, Natalia M.; Platzer Björkman, Charlotte; Simonov, Konstantin; Rensmo, Håkan et al.

Part of Physica Status Solidi (B), 2020

• DOI for Passivation of CdS/Cu2ZnSnS4 Interface from Surface Treatments of Kesterite-Based Thin-Film Solar Cells
• Download full text (pdf) of Passivation of CdS/Cu2ZnSnS4 Interface from Surface Treatments of Kesterite-Based Thin-Film Solar Cells

Band Tails and Cu-Zn Disorder in Cu2ZnSnS4 Solar Cells

Larsen, Jes K; Scragg, Jonathan J.; Ross, N.; Platzer Björkman, Charlotte

Part of ACS Applied Energy Materials, p. 7520-7526, 2020

• DOI for Band Tails and Cu-Zn Disorder in Cu2ZnSnS4 Solar Cells
• Download full text (pdf) of Band Tails and Cu-Zn Disorder in Cu2ZnSnS4 Solar Cells

Prospects for defect engineering in Cu₂ZnSnS₄ solar absorber films

Rudisch, Katharina; Davydova, Alexandra; Riekehr, Lars; Adolfsson, Joakim et al.

Part of Journal of Materials Chemistry A, p. 15864-15874, 2020

• DOI for Prospects for defect engineering in Cu₂ZnSnS₄ solar absorber films
• Download full text (pdf) of Prospects for defect engineering in Cu₂ZnSnS₄ solar absorber films

Heavy Alkali Treatment of Post‐Sulfurized Cu(In,Ga)Se₂ Layers: Effect on Absorber Properties and Solar Cell Performance

Keller, Jan; Bilousov, Oleksandr. V.; Neerken, Janet; Wallin, Erik et al.

Part of Solar RRL, 2020

• DOI for Heavy Alkali Treatment of Post‐Sulfurized Cu(In,Ga)Se₂ Layers: Effect on Absorber Properties and Solar Cell Performance
• Download full text (pdf) of Heavy Alkali Treatment of Post‐Sulfurized Cu(In,Ga)Se₂ Layers: Effect on Absorber Properties and Solar Cell Performance

Current-voltage and capacitance study of light-induced metastabilities in CuZnSnSSe thin film solar cells

Kosyak, Volodymyr; Ross, N.; Platzer Björkman, Charlotte

Part of Journal of Physics D, 2020

• DOI for Current-voltage and capacitance study of light-induced metastabilities in CuZnSnSSe thin film solar cells
• Download full text (pdf) of Current-voltage and capacitance study of light-induced metastabilities in CuZnSnSSe thin film solar cells

Thermodynamic stability, phase separation and Ag grading in (Ag,Cu)(In,Ga)Se-2 solar absorbers

Sopiha, Kostiantyn; Larsen, Jes K; Donzel-Gargand, Olivier; Khavari, Faraz et al.

Part of Journal of Materials Chemistry A, p. 8740-8751, 2020

• DOI for Thermodynamic stability, phase separation and Ag grading in (Ag,Cu)(In,Ga)Se-2 solar absorbers
• Download full text (pdf) of Thermodynamic stability, phase separation and Ag grading in (Ag,Cu)(In,Ga)Se-2 solar absorbers

Effect of Cu content on post‐sulfurization of Cu(In,Ga)Se₂ films and corresponding solar cell performance

Keller, Jan; Bilousov, Oleksandr V.; Wallin, Erik; Lundberg, Olle et al.

Part of Physica Status Solidi (A), 2019

• DOI for Effect of Cu content on post‐sulfurization of Cu(In,Ga)Se₂ films and corresponding solar cell performance

Antimony-Doped Tin Oxide as Transparent Back Contact in Cu₂ZnSnS₄ Thin-Film Solar Cells

Englund, Sven; Kubart, Tomas; Keller, Jan; Moro, Marcos V. et al.

Part of Physica Status Solidi (A), 2019

• DOI for Antimony-Doped Tin Oxide as Transparent Back Contact in Cu₂ZnSnS₄ Thin-Film Solar Cells
• Download full text (pdf) of Antimony-Doped Tin Oxide as Transparent Back Contact in Cu₂ZnSnS₄ Thin-Film Solar Cells

Germanium Incorporation in Cu₂ZnSnS₄ and Formation of a Sn–Ge Gradient

Saini, Nishant; Larsen, Jes K.; Sopiha, Kostiantyn V.; Keller, Jan et al.

Part of Physica Status Solidi (A), 2019

• DOI for Germanium Incorporation in Cu₂ZnSnS₄ and Formation of a Sn–Ge Gradient
• Download full text (pdf) of Germanium Incorporation in Cu₂ZnSnS₄ and Formation of a Sn–Ge Gradient

Structural and Electronic Properties of Cu2MnSnS4 from Experiment and First-Principles Calculations

Rudisch, Katharina; Espinosa-Garcia, William F.; Osorio-Guillen, Jorge M.; Araujo, Carlos Moyses et al.

Part of Physica Status Solidi (B), 2019

• DOI for Structural and Electronic Properties of Cu2MnSnS4 from Experiment and First-Principles Calculations

Strong Interplay between Sodium and Oxygen in Kesterite Absorbers: Complex Formation, Incorporation, and Tailoring Depth Distributions

Grini, Sigbjörn; Sopiha, Kostiantyn; Ross, Nils; Liu, Xin et al.

Part of Advanced Energy Materials, 2019

• DOI for Strong Interplay between Sodium and Oxygen in Kesterite Absorbers: Complex Formation, Incorporation, and Tailoring Depth Distributions
• Download full text (pdf) of Strong Interplay between Sodium and Oxygen in Kesterite Absorbers: Complex Formation, Incorporation, and Tailoring Depth Distributions

Cadmium Free Cu2ZnSnS4 Solar Cells with 9.7% Efficiency

Larsen, Jes K; Larsson, Fredrik; Törndahl, Tobias; Saini, Nishant et al.

Part of Advanced Energy Materials, 2019

• DOI for Cadmium Free Cu2ZnSnS4 Solar Cells with 9.7% Efficiency
• Download full text (pdf) of Cadmium Free Cu2ZnSnS4 Solar Cells with 9.7% Efficiency

Back and front contacts in kesterite solar cells: state-of-the-art and open questions

Platzer Björkman, Charlotte; Barreau, Nicolas; Bär, Marcus; Choubrac, Leo et al.

Part of Journal of Physics, 2019

• DOI for Back and front contacts in kesterite solar cells: state-of-the-art and open questions
• Download full text (pdf) of Back and front contacts in kesterite solar cells: state-of-the-art and open questions

Ion-beam based characterization of TiN back contact interlayers for CZTS(e), thin film solar cells

Paneta, Valentina; Englund, Sven; Suvanam, Sethu Saveda; Scragg, Jonathan J. et al.

Part of Nuclear Instruments and Methods in Physics Research Section B, p. 262-266, 2019

• DOI for Ion-beam based characterization of TiN back contact interlayers for CZTS(e), thin film solar cells

Microstructural Characterization of Sulfurization Effects in Cu(In,Ga)Se-2 Thin Film Solar Cells

Aboulfadl, Hisham; Keller, Jan; Larsen, Jes K; Thuvander, Mattias et al.

Part of Microscopy and Microanalysis, p. 532-538, 2019

• DOI for Microstructural Characterization of Sulfurization Effects in Cu(In,Ga)Se-2 Thin Film Solar Cells

TiN Interlayers with Varied Thickness in Cu2ZnSnS(e)(4) Thin Film Solar Cells: Effect on Na Diffusion, Back Contact Stability, and Performance

Englund, Sven; Grini, Sigbjorn; Donzel-Gargand, Olivier; Paneta, Valentina et al.

Part of Physica Status Solidi (A), 2018

• DOI for TiN Interlayers with Varied Thickness in Cu2ZnSnS(e)(4) Thin Film Solar Cells: Effect on Na Diffusion, Back Contact Stability, and Performance

Low temperature incorporation of selenium in Cu2ZnSnS4: Diffusion and nucleation

Grini, Sigbjörn; Ross, Nils; Persson, Clas; Platzer Björkman, Charlotte et al.

Part of Thin Solid Films, p. 159-163, 2018

• DOI for Low temperature incorporation of selenium in Cu2ZnSnS4: Diffusion and nucleation

Extreme radiation hard thin film CZTSSe solar cell

Suvanam, Sethu Saveda; Larsen, Jes K; Ross, Nils; Kosyak, Volodymyr et al.

Part of Solar Energy Materials and Solar Cells, p. 16-20, 2018

• DOI for Extreme radiation hard thin film CZTSSe solar cell

Cu₂ZnSn(S,Se)₄ from annealing of compound co-sputtered precursors: Recent results and open questions

Englund, Sven; Saini, Nishant; Platzer Björkman, Charlotte

Part of Solar Energy, p. 84-93, 2018

• DOI for Cu₂ZnSn(S,Se)₄ from annealing of compound co-sputtered precursors: Recent results and open questions

The effect of stoichiometry on Cu-Zn ordering kinetics in Cu₂ZnSnS₄ thin film

Rudisch, Katharina; Davydova, Alexandra; Platzer Björkman, Charlotte; Scragg, Jonathan J.

Part of Journal of Applied Physics, 2018

• DOI for The effect of stoichiometry on Cu-Zn ordering kinetics in Cu₂ZnSnS₄ thin film

Absorption Coefficient of a Semiconductor Thin Film from Photoluminescence

Rey, G.; Spindler, C.; Babbe, F.; Rachad, W. et al.

Part of Physical Review Applied, 2018

• DOI for Absorption Coefficient of a Semiconductor Thin Film from Photoluminescence
• Download full text (pdf) of Absorption Coefficient of a Semiconductor Thin Film from Photoluminescence

Sulfurization of Co-Evaporated Cu(In,Ga)Se-2 as a Postdeposition Treatment

Larsen, Jes K; Keller, Jan; Lundberg, Olle; Jarmar, Tobias et al.

Part of IEEE Journal of Photovoltaics, p. 604-610, 2018

• DOI for Sulfurization of Co-Evaporated Cu(In,Ga)Se-2 as a Postdeposition Treatment
• Download full text (pdf) of Sulfurization of Co-Evaporated Cu(In,Ga)Se-2 as a Postdeposition Treatment

Selenium Inclusion in Cu2ZnSn(S,Se)(4) Solar Cell Absorber Precursors for Optimized Grain Growth

Ross, Nils; Grini, Sigbjorn; Rudisch, Katharina; Vines, Lasse et al.

Part of IEEE Journal of Photovoltaics, p. 1132-1141, 2018

• DOI for Selenium Inclusion in Cu2ZnSn(S,Se)(4) Solar Cell Absorber Precursors for Optimized Grain Growth

Secondary ion mass spectrometry as a tool to study selenium gradient in Cu₂ZnSn(S,Se)₄

Grini, Sigbjörn; Ross, Nils; Sky, Thomas Neset; Persson, Clas et al.

Part of Physica Status Solidi (C), 2017

• DOI for Secondary ion mass spectrometry as a tool to study selenium gradient in Cu₂ZnSn(S,Se)₄

Evolution of Cu₂ZnSnS₄ during Non-Equilibrium Annealing with Quasi-in Situ Monitoring of Sulfur Partial Pressure

Ren, Yi; Ross, Nils; Larsen, Jes K.; Rudisch, Katharina et al.

Part of Chemistry of Materials, p. 3713-3722, 2017

• DOI for Evolution of Cu₂ZnSnS₄ during Non-Equilibrium Annealing with Quasi-in Situ Monitoring of Sulfur Partial Pressure
• Download full text (pdf) of Evolution of Cu₂ZnSnS₄ during Non-Equilibrium Annealing with Quasi-in Situ Monitoring of Sulfur Partial Pressure

Calculation of point defect concentration in Cu2ZnSnS4: Insights into the high-temperature equilibrium and quenching

Kosyak, Volodymyr; Postnikov, A. V.; Scragg, Jonathan J.; Scarpulla, M. A. et al.

Part of Journal of Applied Physics, 2017

• DOI for Calculation of point defect concentration in Cu2ZnSnS4: Insights into the high-temperature equilibrium and quenching
• Download full text (pdf) of Calculation of point defect concentration in Cu2ZnSnS4: Insights into the high-temperature equilibrium and quenching

Zinc-Tin-Oxide Buffer Layer and Low Temperature Post Annealing Resulting in a 9.0% Efficient Cd-Free Cu2ZnSnS4 Solar Cell

Ericson, Tove; Larsson, Fredrik; Törndahl, Tobias; Frisk, Christopher et al.

Part of Solar RRL, 2017

• DOI for Zinc-Tin-Oxide Buffer Layer and Low Temperature Post Annealing Resulting in a 9.0% Efficient Cd-Free Cu2ZnSnS4 Solar Cell
• Download full text (pdf) of Zinc-Tin-Oxide Buffer Layer and Low Temperature Post Annealing Resulting in a 9.0% Efficient Cd-Free Cu2ZnSnS4 Solar Cell

Investigation of the SnS/Cu₂ZnSnS₄ interfaces in Kesterite Thin-Film Solar Cells

Ren, Yi; Richter, Michael; Keller, Jan; Redinger, Alex et al.

Part of ACS Energy Letters, p. 976-981, 2017

• DOI for Investigation of the SnS/Cu₂ZnSnS₄ interfaces in Kesterite Thin-Film Solar Cells

Kesterite compound semiconductors for thin film solar cells

Platzer Björkman, Charlotte

Part of Current Opinion in Green and Sustainable Chemistry, p. 84-90, 2017

• DOI for Kesterite compound semiconductors for thin film solar cells

Characterization of TiN back contact interlayers with varied thickness for Cu2ZnSn(S,Se)4 thin film solar cells

Englund, Sven; Paneta, Valentina; Primetzhofer, Daniel; Ren, Yi et al.

Part of Thin Solid Films, p. 91-97, 2017

• DOI for Characterization of TiN back contact interlayers with varied thickness for Cu2ZnSn(S,Se)4 thin film solar cells
• Download full text (pdf) of Characterization of TiN back contact interlayers with varied thickness for Cu2ZnSn(S,Se)4 thin film solar cells

Surface modification through air annealing Cu₂ZnSn(S,Se)₄ absorbers

Larsen, Jes K; Ren, Yi; Ross, Nils; Särhammar, Erik et al.

Part of Thin Solid Films, p. 118-121, 2017

• DOI for Surface modification through air annealing Cu₂ZnSn(S,Se)₄ absorbers
• Download full text (pdf) of Surface modification through air annealing Cu₂ZnSn(S,Se)₄ absorbers

Optical properties of Cu2ZnSn(SxSe1-x)(4) solar absorbers: Spectroscopic ellipsometry and ab initio calculations

Li, Shu-Yi; Zamulko, Sergiy; Persson, Clas; Ross, Nils et al.

Part of Applied Physics Letters, 2017

• DOI for Optical properties of Cu2ZnSn(SxSe1-x)(4) solar absorbers: Spectroscopic ellipsometry and ab initio calculations
• Download full text (pdf) of Optical properties of Cu2ZnSn(SxSe1-x)(4) solar absorbers: Spectroscopic ellipsometry and ab initio calculations

Ga-grading and Solar Cell Capacitance Simulation of an industrial Cu(In,Ga)Se2 solar cell produced by an in-line vacuum, all-sputtering process

Bras, Patrice; Frisk, Christopher; Tempez, Agnes; Niemi, Esko et al.

Part of Thin Solid Films, p. 367-374, 2017

• DOI for Ga-grading and Solar Cell Capacitance Simulation of an industrial Cu(In,Ga)Se2 solar cell produced by an in-line vacuum, all-sputtering process

On the extraction of doping concentration from capacitance-voltage: A Cu2ZnSnS4 and ZnS sandwich structure

Frisk, Christopher; Ren, Yi; Olsson, Jörgen; Törndahl, Tobias et al.

Part of IEEE Journal of Photovoltaics, p. 1421-1425, 2017

• DOI for On the extraction of doping concentration from capacitance-voltage: A Cu2ZnSnS4 and ZnS sandwich structure

Atomic Layer Deposition of Cubic and Orthorhombic Phase Tin Monosulfide

Bilousov, Oleksandr V.; Ren, Yi; Törndahl, Tobias; Donzel-Gargand, Olivier et al.

Part of Chemistry of Materials, p. 2969-2978, 2017

• DOI for Atomic Layer Deposition of Cubic and Orthorhombic Phase Tin Monosulfide

Practical limitations to selenium annealing of compound co-sputtered Cu2ZnSnS4 as a route to achieving sulfur-selenium graded solar cell absorbers

Ross, Nils; Larsen, Jes; Grini, S.; Vines, L. et al.

Part of Thin Solid Films, p. 110-115, 2017

• DOI for Practical limitations to selenium annealing of compound co-sputtered Cu2ZnSnS4 as a route to achieving sulfur-selenium graded solar cell absorbers

Cu–Zn disorder and band gap fluctuations in Cu₂ZnSn(S,Se)₄: Theoretical and experimental investigations

Scragg, Jonathan; Larsen, Jes; Kumar, Mukesh; Persson, Clas et al.

Part of Physica Status Solidi (B), p. 247-254, 2016

• DOI for Cu–Zn disorder and band gap fluctuations in Cu₂ZnSn(S,Se)₄: Theoretical and experimental investigations
• Download full text (pdf) of Cu–Zn disorder and band gap fluctuations in Cu₂ZnSn(S,Se)₄: Theoretical and experimental investigations

Rear Surface Optimization of CZTS Solar Cells by Use of a Passivation Layer With Nanosized Point Openings

Vermang, Bart; Ren, Yi; Donzel-Gargand, Olivier; Frisk, Christopher et al.

Part of IEEE Journal of Photovoltaics, p. 332-336, 2016

• DOI for Rear Surface Optimization of CZTS Solar Cells by Use of a Passivation Layer With Nanosized Point Openings

Order-disorder transition in B-type Cu2ZnSnS4 and limitations of ordering through thermal treatments

Rudisch, Katharina; Ren, Yi; Platzer-Björkman, Charlotte; Scragg, Jonathan

Part of Applied Physics Letters, 2016

• DOI for Order-disorder transition in B-type Cu2ZnSnS4 and limitations of ordering through thermal treatments

Combining strong interface recombination with bandgap narrowing and short diffusion length in Cu₂ZnSnS₄ device modeling

Frisk, Christopher; Ericson, Tove; Li, Shu-Yi; Szaniawski, Piotr et al.

Part of Solar Energy Materials and Solar Cells, p. 364-370, 2016

• DOI for Combining strong interface recombination with bandgap narrowing and short diffusion length in Cu₂ZnSnS₄ device modeling

Optical properties of reactively sputtered Cu2ZnSnS4 solar absorbers determined by spectroscopic ellipsometry and spectrophotometry

Li, Shu-Yi; Hagglund, Carl; Ren, Yi; Scragg, Jonathan J. S. et al.

Part of Solar Energy Materials and Solar Cells, p. 170-178, 2016

• DOI for Optical properties of reactively sputtered Cu2ZnSnS4 solar absorbers determined by spectroscopic ellipsometry and spectrophotometry

Photoluminescence studies in epitaxial CZTSe thin films

Sendler, Jan; Thevenin, Maxime; Werner, Florian; Redinger, Alex et al.

Part of Journal of Applied Physics, 2016

• DOI for Photoluminescence studies in epitaxial CZTSe thin films

Evolution of Na-S(-O) compounds on the Cu2ZnSnS4 absorber surface and their effects on CdS thin film growth

Ren, Yi; Scragg, Jonathan; Edoff, Marika; Larsen, Jes et al.

Part of ACS Applied Materials and Interfaces, p. 18600-18607, 2016

• DOI for Evolution of Na-S(-O) compounds on the Cu2ZnSnS4 absorber surface and their effects on CdS thin film growth

Potential of CuS cap to prevent decomposition of Cu2ZnSnS4 during annealing

Larsen, Jes K; Scragg, Jonathan JS; Frisk, Christopher; Ren, Yi et al.

Part of Physica Status Solidi (A), p. 2843-2849, 2015

• DOI for Potential of CuS cap to prevent decomposition of Cu2ZnSnS4 during annealing
• Download full text (pdf) of Potential of CuS cap to prevent decomposition of Cu2ZnSnS4 during annealing

Influence of the Cu2ZnSnS4 absorber thickness on thin film solar cells

Ren, Yi; Scragg, Jonathan J.; Frisk, Christopher; Larsen, Jes K. et al.

Part of Physica Status Solidi (A), p. 2889-2896, 2015

• DOI for Influence of the Cu2ZnSnS4 absorber thickness on thin film solar cells

Influence of the Cu2ZnSnS4 absorberthickness on thin film solar cells

Ren, Yi; Scragg, Jonathan; Frisk, Christopher; Larsen, Jes et al.

Part of Physica Status Solidi (A), p. 2889-2896, 2015

• DOI for Influence of the Cu2ZnSnS4 absorberthickness on thin film solar cells

Reduced interface recombination in Cu2ZnSnS4 solar cells with atomic layer deposition Zn1-xSnxO buffer layers

Platzer-Björkman, Charlotte; Frisk, Christoper; Larsen, Jes; Ericson, Tove et al.

Part of Applied Physics Letters, 2015

• DOI for Reduced interface recombination in Cu2ZnSnS4 solar cells with atomic layer deposition Zn1-xSnxO buffer layers
• Download full text (pdf) of Reduced interface recombination in Cu2ZnSnS4 solar cells with atomic layer deposition Zn1-xSnxO buffer layers

Reactively sputtered films in the CuxS–ZnS–SnSy system: From metastability to equilibrium

Ren, Yi; Scragg, Jonathan J.; Ericson, Tove; Kubart, Tomas et al.

Part of Thin Solid Films, p. 208-214, 2015

• DOI for Reactively sputtered films in the CuxS–ZnS–SnSy system: From metastability to equilibrium

Photoluminescence investigation of Cu2ZnSnS4 thin film solar cells

Van Puyvelde, L.; Lauwaert, J.; Smet, P. F.; Khelifi, S. et al.

Part of Thin Solid Films, p. 146-150, 2015

• DOI for Photoluminescence investigation of Cu2ZnSnS4 thin film solar cells

Influence of hydrogen sulfide annealing on copper-zinc-tin-sulfide solar cells sputtered from a quaternary compound target

Bras, Patrice; Sterner, Jan; Platzer-Björkman, Charlotte

Part of Thin Solid Films, p. 233-238, 2015

• DOI for Influence of hydrogen sulfide annealing on copper-zinc-tin-sulfide solar cells sputtered from a quaternary compound target

Interference effects in photoluminescence spectra of Cu₂ZnSnS₄ and Cu(In,Ga)Se₂ thin films

Larsen, Jes K; Li, Shuyi; Scragg, Jonathan; Ren, Yi et al.

Part of Journal of Applied Physics, 2015

• DOI for Interference effects in photoluminescence spectra of Cu₂ZnSnS₄ and Cu(In,Ga)Se₂ thin films
• Download full text (pdf) of Interference effects in photoluminescence spectra of Cu₂ZnSnS₄ and Cu(In,Ga)Se₂ thin films

Investigation of blister formation in sputtered Cu ₂ZnSnS ₄ absorbers for thin film solar cells

Bras, Patrice; Sterner, Jan; Platzer-Björkman, Charlotte

Part of Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films, 2015

• DOI for Investigation of blister formation in sputtered Cu ₂ZnSnS ₄ absorbers for thin film solar cells

Rear Surface Optimization of CZTS Solar Cellsby Use of a Passivation Layer WithNanosized Point Openings

Vermang, Bart; Ren, Yi; Donzel-Gargand, Olivier; Frisk, Christopher et al.

Part of IEEE Journal of Photovoltaics, 2015

Zn(O,S) Buffer Layers and Thickness Variations of CdS Buffer for Cu₂ZnSnS₄ Solar Cells

Ericson, Tove; Scragg, Jonathan J.; Hultqvist, Adam; Wätjen, Jörn Timo et al.

Part of IEEE Journal of Photovoltaics, p. 465-469, 2014

• DOI for Zn(O,S) Buffer Layers and Thickness Variations of CdS Buffer for Cu₂ZnSnS₄ Solar Cells
• Download full text (pdf) of Zn(O,S) Buffer Layers and Thickness Variations of CdS Buffer for Cu₂ZnSnS₄ Solar Cells

Reactive sputtering of Cu2ZnSnS4 thin films - Target effects on the deposition process stability

Kubart, Tomas; Ericson, Tove; Scragg, Jonathan J.; Edoff, Marika et al.

Part of Surface & Coatings Technology, p. 281-285, 2014

• DOI for Reactive sputtering of Cu2ZnSnS4 thin films - Target effects on the deposition process stability

Optimizing Ga-profiles for highly efficient Cu(In,Ga)Se₂ thin film solar cells in simple and complex defect models

Frisk, Christopher; Platzer Björkman, Charlotte; Olsson, Jörgen; Szaniawski, Piotr et al.

Part of Journal of Physics D, p. 485104, 2014

• DOI for Optimizing Ga-profiles for highly efficient Cu(In,Ga)Se₂ thin film solar cells in simple and complex defect models
• Download full text (pdf) of Optimizing Ga-profiles for highly efficient Cu(In,Ga)Se₂ thin film solar cells in simple and complex defect models

A low-temperature order-disorder transition in Cu₂ZnSnS₄ thin films

Scragg, Jonathan; Choubrac, Léo; Lafond, Alain; Ericson, Tove et al.

Part of Applied Physics Letters, 2014

• DOI for A low-temperature order-disorder transition in Cu₂ZnSnS₄ thin films
• Download full text (pdf) of A low-temperature order-disorder transition in Cu₂ZnSnS₄ thin films

CuInxGa1-xSe2 as an efficient photocathode for solar hydrogen generation

Jacobsson, Jesper T.; Platzer-Björkman, Charlotte; Edoff, Marika; Edvinsson, Tomas

Part of International journal of hydrogen energy, p. 15027-15035, 2013

• DOI for CuInxGa1-xSe2 as an efficient photocathode for solar hydrogen generation

Rapid annealing of reactively sputtered precursors for Cu2ZnSnS4 solar cells

Scragg, Jonathan; Ericson, Tove; Fontané, Xavier; Izquierdo-Roca, Victor et al.

Part of Progress in Photovoltaics, p. 10-17, 2013

• DOI for Rapid annealing of reactively sputtered precursors for Cu2ZnSnS4 solar cells

Annealing behavior of reactively sputtered precursor films for Cu₂ZnSnS₄ solar cells

Ericson, Tove; Scragg, Jonathan J.; Kubart, Tomas; Törndahl, Tobias et al.

Part of Thin Solid Films, p. 22-26, 2013

• DOI for Annealing behavior of reactively sputtered precursor films for Cu₂ZnSnS₄ solar cells
• Download full text (pdf) of Annealing behavior of reactively sputtered precursor films for Cu₂ZnSnS₄ solar cells

Diffusion of Fe and Na in co-evaporated Cu(In, Ga) Se-2 devices on steel substrates

Platzer-Bjorkman, Charlotte; Jani, S.; Westlinder, J.; Linnarsson, M. K. et al.

Part of Thin Solid Films, p. 188-192, 2013

• DOI for Diffusion of Fe and Na in co-evaporated Cu(In, Ga) Se-2 devices on steel substrates

Effects of Back Contact Instability on Cu₂ZnSnS₄ Devices and Processes

Scragg, Jonathan J.; Kubart, Tomas; Wätjen, Timo; Ericson, Tove et al.

Part of Chemistry of Materials, p. 3162-3171, 2013

• DOI for Effects of Back Contact Instability on Cu₂ZnSnS₄ Devices and Processes
• Download full text (pdf) of Effects of Back Contact Instability on Cu₂ZnSnS₄ Devices and Processes

Cu out-diffusion in kesterites: A transmission electron microscopy specimen preparation artifact

Wätjen, J. Timo; Scragg, Jonathan J.; Edoff, Marika; Rubino, Stefano et al.

Part of Applied Physics Letters, 2013

• DOI for Cu out-diffusion in kesterites: A transmission electron microscopy specimen preparation artifact

Inline Cu(In,Ga)Se-2 Co-evaporation for High-Efficiency Solar Cells and Modules

Lindahl, Johan; Zimmermann, Uwe; Szaniawski, Piotr; Törndahl, Tobias et al.

Part of IEEE JOURNAL OF PHOTOVOLTAICS, p. 1100-1105, 2013

• DOI for Inline Cu(In,Ga)Se-2 Co-evaporation for High-Efficiency Solar Cells and Modules
• Download full text (pdf) of Inline Cu(In,Ga)Se-2 Co-evaporation for High-Efficiency Solar Cells and Modules

The Influence of Absorber Thickness on Cu(In,Ga)Se-2 Solar Cells With Different Buffer Layers

Pettersson, Jonas; Törndahl, Tobias; Platzer-Björkman, Charlotte; Hultqvist, Adam et al.

Part of IEEE Journal of Photovoltaics, p. 1376-1382, 2013

• DOI for The Influence of Absorber Thickness on Cu(In,Ga)Se-2 Solar Cells With Different Buffer Layers

Reactive sputtering of precursors for Cu2ZnSnS4 thin film solar cells

Ericson, Tove; Kubart, Tomas; Scragg, Jonathan J.; Platzer-Björkman, Charlotte

Part of Thin Solid Films, p. 7093-7099, 2012

• DOI for Reactive sputtering of precursors for Cu2ZnSnS4 thin film solar cells
• Download full text (pdf) of Reactive sputtering of precursors for Cu2ZnSnS4 thin film solar cells

Secondary compound formation revealed by transmission electron microscopy at the Cu₂ZnSnS₄/Mo interface

Wätjen, Jörn Timo; Scragg, Jonathan; Ericson, Tove; Edoff, Marika et al.

Part of Thin Solid Films, p. 31-34, 2012

• DOI for Secondary compound formation revealed by transmission electron microscopy at the Cu₂ZnSnS₄/Mo interface

Growth kinetics, properties, performance, and stability of atomic layer deposition Zn–Sn–O buffer layers for Cu(In,Ga)Se₂ solar cells

Hultqvist, Adam; Platzer-Björkman, Charlotte; Zimmermann, Uwe; Edoff, Marika et al.

Part of Progress in Photovoltaics, p. 883-891, 2012

• DOI for Growth kinetics, properties, performance, and stability of atomic layer deposition Zn–Sn–O buffer layers for Cu(In,Ga)Se₂ solar cells

Electrical modeling of Cu(In,Ga)Se₂ cells with ALD-Zn_1xMg_xO bufferlayers

Pettersson, Jonas; Edoff, Marika; Platzer-Björkman, Charlotte

Part of Journal of Applied Physics, 2012

• DOI for Electrical modeling of Cu(In,Ga)Se₂ cells with ALD-Zn_1xMg_xO bufferlayers

A Detrimental Reaction at the Molybdenum Back Contact in Cu₂ZnSn(S,Se)₄ Thin-Film Solar Cells

Scragg, Jonathan; Wätjen, Timo; Edoff, Marika; Ericson, Tove et al.

Part of Journal of the American Chemical Society, p. 19330-19333, 2012

• DOI for A Detrimental Reaction at the Molybdenum Back Contact in Cu₂ZnSn(S,Se)₄ Thin-Film Solar Cells

Surface oxide on thin films of yttrium hydride studied by neutron reflectometry

Mongstad, Trygve; Platzer-Björkman, Charlotte; Maehlen, J. P.; Hauback, B. C. et al.

Part of Applied Physics Letters, p. 191604, 2012

• DOI for Surface oxide on thin films of yttrium hydride studied by neutron reflectometry

Direct evidence of current blocking by ZnSe in Cu₂ZnSnSe₄ solar cells

Wätjen, Jörn Timo; Engman, Jessica; Edoff, Marika; Platzer-Björkman, Charlotte

Part of Applied Physics Letters, p. 173510, 2012

• DOI for Direct evidence of current blocking by ZnSe in Cu₂ZnSnSe₄ solar cells

Influence of precursor sulfur content on film formation and compositional changes in Cu2ZnSnS4 films and solar cells

Platzer-Björkman, Charlotte; Scragg, Jonathan; Flammersberger, H; Kubart, Tomas et al.

Part of Solar Energy Materials and Solar Cells, p. 110-117, 2012

• DOI for Influence of precursor sulfur content on film formation and compositional changes in Cu2ZnSnS4 films and solar cells

MgyNi1-y(H-x) thin films deposited by magnetron co-sputtering

Mongstad, Trygve; You, C. C.; Thogersen, A.; Maehlen, J. P. et al.

Part of Journal of Alloys and Compounds, p. 76-83, 2012

• DOI for MgyNi1-y(H-x) thin films deposited by magnetron co-sputtering

Experimental investigation of Cu(In1-x,Ga-x)Se-2/Zn(O1-z,S-z) solar cell performance

Hultqvist, Adam; Platzer-Björkman, Charlotte; Coronel, Ernesto; Edoff, Marika

Part of Solar Energy Materials and Solar Cells, p. 497-503, 2011

• DOI for Experimental investigation of Cu(In1-x,Ga-x)Se-2/Zn(O1-z,S-z) solar cell performance

Baseline model of graded-absorber Cu(In,Ga)Se₂ solar cells applied to cells with Zn_1−xMg_xO buffer layers

Pettersson, Jonas; Platzer-Björkman, Charlotte; Zimmermann, Uwe; Edoff, Marika

Part of Thin Solid Films, p. 7476-7480, 2011

• DOI for Baseline model of graded-absorber Cu(In,Ga)Se₂ solar cells applied to cells with Zn_1−xMg_xO buffer layers

Chemical Insights into the Instability of Cu(2)ZnSnS(4) Films during Annealing

Scragg, Jonathan J.; Ericson, Tove; Kubart, Tomas; Edoff, Marika et al.

Part of Chemistry of Materials, p. 4625-4633, 2011

• DOI for Chemical Insights into the Instability of Cu(2)ZnSnS(4) Films during Annealing

Transparent yttrium hydride thin films prepared by reactive sputtering

Mongstad, T; Platzer-Björkman, Charlotte; Karazhanov, S Zh; Holt, A et al.

Part of Journal of Alloys and Compounds, 2011

• DOI for Transparent yttrium hydride thin films prepared by reactive sputtering

A new thin film photochromic material: oxygen-containing yttrium hydride

Mongstad, Trygve; Platzer Björkman, Charlotte; Maehlen, Jan-Petter; Mooij, Lennard et al.

Part of Solar Energy Materials and Solar Cells, p. 3596-3599, 2011

• DOI for A new thin film photochromic material: oxygen-containing yttrium hydride

Deposition of magnesium hydride thin films using radio frequency reactive sputtering

Platzer-Björkman, Charlotte; Mongstad, Trygve; Maehlen, Jan-Petter; Baldi, Andrea et al.

Part of Thin Solid Films, p. 5949-5954, 2011

• DOI for Deposition of magnesium hydride thin films using radio frequency reactive sputtering

Buffer layers and transparent conducting oxides for chalcopyrite Cu(In,Ga)(S,Se)(2) based thin film photovoltaics: Present status and current developments

Naghavi, N.; Abou-Ras, D.; Allsop, N.; Barreau, N. et al.

Part of Progress in Photovoltaics, p. 411-433, 2010

• DOI for Buffer layers and transparent conducting oxides for chalcopyrite Cu(In,Ga)(S,Se)(2) based thin film photovoltaics: Present status and current developments

Measurements of photo-induced changes in the conduction properties of ALD-Zn_1−xMg_xO thin films

Pettersson, Jonas; Platzer-Björkman, Charlotte; Hultqvist, Adam; Zimmermann, Uwe et al.

Part of Physica Scripta, 2010

• DOI for Measurements of photo-induced changes in the conduction properties of ALD-Zn_1−xMg_xO thin films

Improved fill factor and open circuit voltage by crystalline selenium at the Cu(In,Ga)Se-2/buffer layer interface in thin film solar cells

Platzer-Björkman, Charlotte; Zabierowski, P.; Pettersson, Jonas; Törndahl, Tobias et al.

Part of Progress in Photovoltaics, p. 249-256, 2010

• DOI for Improved fill factor and open circuit voltage by crystalline selenium at the Cu(In,Ga)Se-2/buffer layer interface in thin film solar cells

Temperature-dependent current-voltage and lightsoaking measurements on Cu(In,Ga)Se₂ solar cells with ALD-Zn_1-xMg_xO buffer layers

Pettersson, Jonas; Platzer-Björkman, Charlotte; Edoff, Marika

Part of Progress in Photovoltaics, p. 460-469, 2009

• DOI for Temperature-dependent current-voltage and lightsoaking measurements on Cu(In,Ga)Se₂ solar cells with ALD-Zn_1-xMg_xO buffer layers

The effect of Zn_1-xMg_xO buffer layer deposition temperature on Cu(In,Ga)Se₂ solar cells: A study of the buffer/absorber interface

Törndahl, Tobias; Coronel, Ernesto; Hultqvist, Adam; Platzer-Björkman, Charlotte et al.

Part of Progress in Photovoltaics, p. 115-125, 2009

• DOI for The effect of Zn_1-xMg_xO buffer layer deposition temperature on Cu(In,Ga)Se₂ solar cells: A study of the buffer/absorber interface

CuGaSe2 solar cells using atomic layer deposited Zn(O,S) and (Zn,Mg)O buffer layers

Hultqvist, Adam; Platzer-Björkman, Charlotte; Pettersson, Jonas; Törndahl, Tobias et al.

Part of Thin Solid Films, p. 2305-2308, 2009

• DOI for CuGaSe2 solar cells using atomic layer deposited Zn(O,S) and (Zn,Mg)O buffer layers

Atomic layer deposition of Zn1-xMgxO buffer layers for Cu(In,Ga)Se2 solar cells

Törndahl, Tobias; Platzer-Björkman, Charlotte; Kessler, John; Edoff, Marika

Part of Progress in Photovoltaics, p. 225-235, 2007

• DOI for Atomic layer deposition of Zn1-xMgxO buffer layers for Cu(In,Ga)Se2 solar cells

Optimization of ALD-(Zn,Mg)O buffer layers and (Zn,Mg)O/Cu(In,Ga)Se-2 interfaces for thin film solar cells

Platzer Björkman, Charlotte; Törndahl, Tobias; Hultqvist, Adam; Kessler, John et al.

Part of Thin Solid Films, p. 6024-6027, 2007

• DOI for Optimization of ALD-(Zn,Mg)O buffer layers and (Zn,Mg)O/Cu(In,Ga)Se-2 interfaces for thin film solar cells

HIKE experiments at KMC-1: Studies of Solar Cell Materials

Johansson, E; Platzer-Björkman, C; Rensmo, H; Sandell, A et al.

Part of Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung m.b.H. (BESSY) Annual Report (2006), 2007

Strong valence-band offset bowing of ZnO1-xSx enhances p-type nitrogen doping of ZnO-like alloys

Persson, Clas; Platzer-Björkman, Charlotte; Malmström, Jonas; Törndahl, Tobias et al.

Part of Physical Review Letters, p. 146403, 2006

• DOI for Strong valence-band offset bowing of ZnO1-xSx enhances p-type nitrogen doping of ZnO-like alloys

Zn(O,S) buffer layers by atomic layer deposition in Cu(In,Ga)Se-2 based thin film solar cells: Band alignment and sulfur gradient

Platzer Björkman, Charlotte; Törndahl, Tobias; Abou-Ras, D.; Malmström, Jonas et al.

Part of Journal of Applied Physics, 2006

• DOI for Zn(O,S) buffer layers by atomic layer deposition in Cu(In,Ga)Se-2 based thin film solar cells: Band alignment and sulfur gradient

Determination of dominant recombination paths in Cu(In,Ga)Se2 thin-film solar cells with ALD-ZnO buffer layers

Malm, Ulf; Malmström, Jonas; Platzer-Björkman, Charlotte; Stolt, Lars

Part of Thin Solid Films, p. 208-212, 2005

• DOI for Determination of dominant recombination paths in Cu(In,Ga)Se2 thin-film solar cells with ALD-ZnO buffer layers

The influence of buffer layer on the transient behaviour of thin film chalcopyrite devices

Igalson, M; Platzer Björkman, Charlotte

Part of Solar Energy Materials and Solar Cells, p. 93-103, 2004

• DOI for The influence of buffer layer on the transient behaviour of thin film chalcopyrite devices

Interface study of CuInSe2/ZnO and Cu(In,Ga)Se2/ZnO devices using ALD ZnO buffer layers

Platzer Björkman, Charlotte; Lu, Jun; Kessler, John; Stolt, Lars

Part of Thin Solid FIlms, p. 321-325, 2003

Reactive sputtering of CZTS

Platzer Björkman, Charlotte; Ericson, Tove; Scragg, Jonathan; Kubart, Tomas

Part of Copper zinc tin sulfide-based thin film solar cells, p. 203-220, John Wiley & Sons, 2015

Co-evaporation of CIGS and alternative buffer layers for CIGS devices

Platzer-Björkman, Charlotte; Edoff, Marika

Part of Thin film solar cells, p. 59-90, Nova Science Publishers, Inc., 2011

Band Alignment Between ZnO-Based and Cu(In,Ga)Se₂ Thin Films for High Efficiency Solar Cells

Platzer-Björkman, Charlotte

2006

• Download full text (pdf) of Band Alignment Between ZnO-Based and Cu(In,Ga)Se₂ Thin Films for High Efficiency Solar Cells

Investigating the Role of Ag and Ga Content in the Stability of Wide-Gap (Ag,Cu)(In,Ga)Se2 Thin Film Solar Cells

Pearson, Patrick; Keller, Jan; Platzer-Björkman, Charlotte

Part of 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC), 2023

• DOI for Investigating the Role of Ag and Ga Content in the Stability of Wide-Gap (Ag,Cu)(In,Ga)Se2 Thin Film Solar Cells

Defects, band tails, and disorder in Cu₂ZnSnS₄ solar cells

Larsen, Jes K; Ross, Nils; Platzer Björkman, Charlotte

2019

Mixed sulfur and selenium annealing study of compound-sputtered bilayer Cu2ZnSnS4 / Cu2ZnSnSe4 precursors

Ross, N.; Grini, S.; Vines, L.; Platzer-Björkman, Charlotte

Part of 2017 IEEE 44Th Photovoltaic Specialist Conference (PVSC), p. 3269-3274, 2017

• DOI for Mixed sulfur and selenium annealing study of compound-sputtered bilayer Cu2ZnSnS4 / Cu2ZnSnSe4 precursors

ALD of phase controlled tin monosulfide thin films

Bilousov, Oleksandr V.; Ren, Yi; Törndahl, Tobias; Donzel-Gargand, Olivier et al.

2017

• Download full text (pdf) of ALD of phase controlled tin monosulfide thin films

Evolution of Na-S(-O) compounds on Cu₂ZnSnS₄ absorber surface and its effect on CdS growth

Ren, Yi; Scragg, Jonathan J.; Edoff, Marika; Platzer Björkman, Charlotte

Part of 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), p. 2255-2257, 2016

• DOI for Evolution of Na-S(-O) compounds on Cu₂ZnSnS₄ absorber surface and its effect on CdS growth

Cu₂ZnSn(S,Se)₄ Solar Cell Absorbers from Diffusion of Selenium into Annealed Cu₂ZnSnS₄ Absorbers

Ross, N.; Larsen, Jes K; Grini, S.; Särhammar, Erik et al.

Part of 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), p. 492-497, 2016

• DOI for Cu₂ZnSn(S,Se)₄ Solar Cell Absorbers from Diffusion of Selenium into Annealed Cu₂ZnSnS₄ Absorbers

Influence of the Cu2ZnSnS4 absorberthickness on thin film solar cells

Ren, Yi; Scragg, Jonathan; Frisk, Christopher; Larsen, Jes et al.

2015

Rear surface optimization of CZTS solar cells by use of a passivation layer with nano-sized point openings

Vermang, Bart; Ren, Yi; Joel, Jonathan; Frisk, Christopher et al.

Part of 2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC), 2015

Uniformity assessment of a 6-inch Copper-Zinc-Tin-Sulfide solar cell sputtered from a quaternary compound target

Bras, Patrice; Mauvy, Leo; Sterner, Jan; Platzer-Björkman, Charlotte

Part of 2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC), 2015

CZTS solar cell device simulation with varying absorber thickness

Frisk, Christopher; Ren, Yi; Li, Shu-Yi; Platzer-Björkman, Charlotte

Part of 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC). Proceedings, 2015

• DOI for CZTS solar cell device simulation with varying absorber thickness
• Download full text (pdf) of CZTS solar cell device simulation with varying absorber thickness

CuS Cap to Prevent Decomposition of Cu2ZnSnS4 Precursors during Annealing

Larsen, Jes K; Scragg, J. J.; Frisk, C; Ren, Y. et al.

2015

Reactively sputtered films in the CuxS–ZnS–SnSy system: From metastability to equilibrium

Ren, Yi; Scragg, Jonathan; Ericson, Tove; Kubart, Tomas et al.

2014

Modeling Ga-profiles for Cu(In,Ga)Se₂ thin film solar cells with varying defect density

Frisk, Christopher; Platzer-Björkman, Charlotte; Fjällström, Viktor; Salomé, Pedro et al.

Part of 23rd International Photovoltaic Science and Engineering Conference; Taipei, Taiwan; October 28 - Nov 1, 2013, 2013

• Download full text (pdf) of Modeling Ga-profiles for Cu(In,Ga)Se₂ thin film solar cells with varying defect density

Reactive magnetron sputtering of precursors for CZTS solar cells

Kubart, Tomas; Ericson, Tove; Scragg, Jonathan; Platzer-Björkman, Charlotte

2012

Growth and characterization of ZnO-based buffer layers for CIGS solar cells

Törndahl, Tobias; Hultqvist, Adam; Platzer-Björkman, Charlotte; Edoff, Marika

Part of Proceedings of the SPIE - The International Society for Optical Engineering, 2010

• DOI for Growth and characterization of ZnO-based buffer layers for CIGS solar cells

Band gap engineering of ZnO for high efficiency CIGS based solar cells

Platzer-Björkman, Charlotte; Hultqvist, Adam; Pettersson, Jonas; Törndahl, Tobias

Part of Oxide-based Materials and Devices, p. 76030-76039, 2010

• DOI for Band gap engineering of ZnO for high efficiency CIGS based solar cells

Comparison of ZnS-Based Buffer Layers by Chemical Bath Deposition and Atomic Layer Deposition

Platzer-Björkman, Charlotte; Uhl, A.

Part of Thin-film compound semiconductor voltaics-2009, p. 147-152, 2010

Transparent yttrium hydride thin films prepared by reactive sputtering

Mongstad, T.; Platzer-Björkman, Charlotte; Karazhanow, S. Zh.; Holt, A. et al.

2010

Reactive sputtering of magnesium hydride thin films for photovoltaic applications

Platzer-Björkman, Charlotte; Mongstad, Trygve; Karazhanov, Smagul; Maehlen, Jan-Petter et al.

Part of Materials Research Society Symposium Proceedings, 2009

Effects of CuIn_0,5Ga_0,5Se₂ growth by isothermal and bithermal Cu-Poor/Rich/Poor sequence on solar cells properties

Marko, Hakim; Hultqvist, Adam; Platzer-Björkman, Charlotte; Noël, Sébastien et al.

Part of Thin-Film Compound Semiconductor Photovoltaics — 2009, 2009

• DOI for Effects of CuIn_0,5Ga_0,5Se₂ growth by isothermal and bithermal Cu-Poor/Rich/Poor sequence on solar cells properties

The role of interfacial elemental selenium in CIGS devices with different buffer layers

Platzer-Björkman, Charlotte; Zabierowski, P.; Edoff, Marika

2008

CuGaSe2 solar cells using atomic layer deposited Zn(O,S) and (Zn,Mg)O buffer layers

Hultqvist, Adam; Platzer-Björkman, Charlotte; Pettersson, Jonas; Törndahl, Tobias et al.

2008

Optimization of i-ZnO window layers for Cu(In,Ga)Se2 solar cells with ALD buffers

Hultqvist, Adam; Platzer Björkman, Charlotte; Törndahl, Tobias; Ruth, Marta et al.

Part of Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, 2007, p. 2381-2384, 2007

• Download full text (pdf) of Optimization of i-ZnO window layers for Cu(In,Ga)Se2 solar cells with ALD buffers

Microstructural characterization of Zn1-XMgXO buffers layer in CIGS solar cells

Coronel, Ernesto; Törndahl, Tobias; Platzer Björkman, Charlotte; Edoff, Marika et al.

2007

Influence of metastabilities on the efficiency of CIGSe-based solar cells with CdS, Zn(O,S) and (Zn,Mg)O buffer layers

Zabierowski, Pawel; Platzer Björkman, Charlotte

Part of Proceedings of the 22nd European Photovoltaic Solar Energy Conference, Milano, 2007 : 3BV.5.22, 2007

Electrical characterization of CIGSe-based photovoltaic devices with Zn(O,S) and (Zn,Mg)O buffers

Zabierowski, P; Platzer Björkman, Charlotte; Cwil, M

p. 2006-2010, 2006

Atomic Layer Deposition of Zn(O,S) buffer layers for high efficiency Cu(In,Ga)Se2 solar cells

Platzer Björkman, Charlotte; Kessler, John; Stolt, Lars

Part of Proceedings of the 3rd World Conference on Photovoltaic Solar Energy Conversion, WCPEC-3, 1, Osaka, Japan, p. 461-464, 2003

Analysis of Zn(O,S) films for Cu(In,Ga)Se2 solar cells

Platzer Björkman, Charlotte; Kessler, John; Stolt, Lars

Part of Proceedings of the Estonian Academy of Sciences Physics Matematics 52(3) pp 299-307 (2003), 2003

XPS/UPS monitoring of ALCVD ZnO growth on Cu(In,Ga)Se2 absorbers

Sterner, Jan; Platzer-Björkman, Charlotte; Stolt, Lars

Part of Seventeenth European Photovoltaic Solar Energy Conference, p. 1118-1121, 2002

Study of Zn(O,S) films for Cu(In,Ga)Se2 solar cells using a coupled XPS/UPS-ALD

Platzer Björkman, Charlotte; Kessler, John; Stolt, Lars

Part of Proc. E-MRS, June 2002, Strasbourg, France, 2002

Interface Study of CuInSe2/ZnO and Cu(In,Ga)Se2/ZnO Devices Using ALD ZnO Buffer Layers

Platzer Björkman, Charlotte; Lu, Jun; Kessler, John; Stolt, Lars

Part of Proceedings of the Fifth Baltic Symposium on Atomic Layer Deposition, Tarttu, Estonia, October, 2002

Growth kinetics, properties, performance and stability of ALD Zn-Sn-O buffer layers for Cu(In,Ga)Se₂ solar cells

Hultqvist, Adam; Platzer-Björkman, Charlotte; Zimmermann, Uwe; Edoff, Marika et al.