Tobias Törndahl

Sodium Induced Beneficial Effects in Wide Bandgap Cu(In,Ga)S2 Solar Cell With 15.7% Efficiency

Valluvar oli, Arivazhagan; Kaur, Kulwinder; Melchiorre, Michele; Prot, Aubin jean-claude mireille et al.

Part of Progress in Photovoltaics, p. 439-452, 2026

• DOI for Sodium Induced Beneficial Effects in Wide Bandgap Cu(In,Ga)S2 Solar Cell With 15.7% Efficiency
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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
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Interfacial Chemistry between Formamidinium Lead Trihalide Perovskites and Atomic-Layer-Deposited Tin Oxide

Rakheja, Bhavya; Hultqvist, Adam; Varma, Rahul Mahavir; Martin, Natalia M. et al.

Part of ACS Applied Energy Materials, p. 8467-8478, 2025

• DOI for Interfacial Chemistry between Formamidinium Lead Trihalide Perovskites and Atomic-Layer-Deposited Tin Oxide
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Wide-Bandgap Cu(In, Ga)S₂ Solar Cell: Mitigation of Composition Segregation in High Ga Films for Better Efficiency

Adeleye, Damilola; Sood, Mohit; Oli, Arivazhagan Valluvar; Törndahl, Tobias et al.

Part of Small, 2025

• DOI for Wide-Bandgap Cu(In, Ga)S₂ Solar Cell: Mitigation of Composition Segregation in High Ga Films for Better Efficiency
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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
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Sodium Induced Beneficial Effects in Wide Bandgap Cu(In,Ga)S2 Solar Cell With 15.7% Efficiency

Valluvar oli, Arivazhagan; Kaur, Kulwinder; Melchiorre, Michele; Prot, Aubin jean-claude mireille et al.

Part of Progress in Photovoltaics, p. 439-452, 2026

• DOI for Sodium Induced Beneficial Effects in Wide Bandgap Cu(In,Ga)S2 Solar Cell With 15.7% Efficiency
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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
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Interfacial Chemistry between Formamidinium Lead Trihalide Perovskites and Atomic-Layer-Deposited Tin Oxide

Rakheja, Bhavya; Hultqvist, Adam; Varma, Rahul Mahavir; Martin, Natalia M. et al.

Part of ACS Applied Energy Materials, p. 8467-8478, 2025

• DOI for Interfacial Chemistry between Formamidinium Lead Trihalide Perovskites and Atomic-Layer-Deposited Tin Oxide
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Wide-Bandgap Cu(In, Ga)S₂ Solar Cell: Mitigation of Composition Segregation in High Ga Films for Better Efficiency

Adeleye, Damilola; Sood, Mohit; Oli, Arivazhagan Valluvar; Törndahl, Tobias et al.

Part of Small, 2025

• DOI for Wide-Bandgap Cu(In, Ga)S₂ Solar Cell: Mitigation of Composition Segregation in High Ga Films for Better Efficiency
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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
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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
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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
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Sn_1-xGe_xO_y and Zn_1-xGe_xO_y by Atomic Layer Deposition-Growth Dynamics, Film Properties, and Compositional Tuning for Charge Selective Transport in (Ag,Cu)(In,Ga)Se₂ Solar Cells

Hultqvist, Adam; Keller, Jan; Martin, Natalia M.; Larsson, Fredrik et al.

Part of ACS Applied Energy Materials, p. 9824-9836, 2023

• DOI for Sn_1-xGe_xO_y and Zn_1-xGe_xO_y by Atomic Layer Deposition-Growth Dynamics, Film Properties, and Compositional Tuning for Charge Selective Transport in (Ag,Cu)(In,Ga)Se₂ Solar Cells
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Role of Oxygen in Vacancy-Induced Phase Formation and Crystallization of Al2TiO5-Based Chemical Vapor-Deposited Coatings

Öhman, Sebastian; Forslund, Axel; Lindblad, Rebecka; Nagy, Gyula et al.

Part of The Journal of Physical Chemistry C, p. 6456-6465, 2023

• DOI for Role of Oxygen in Vacancy-Induced Phase Formation and Crystallization of Al2TiO5-Based Chemical Vapor-Deposited Coatings
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Exploring Crystallization Phenomena in Al₂TiO₅-Based Chemical Vapor-Deposited Coatings by in Situ Transmission Electron Microscopy

Öhman, Sebastian; Donzel-Gargand, Olivier; Boman, Mats; Törndahl, Tobias

Part of Crystal Growth & Design, p. 7680-7687, 2023

• DOI for Exploring Crystallization Phenomena in Al₂TiO₅-Based Chemical Vapor-Deposited Coatings by in Situ Transmission Electron Microscopy
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Silver Alloying in Highly Efficient CuGaSe₂ Solar Cells with Different Buffer Layers

Keller, Jan; Stolt, Lars; Törndahl, Tobias; Edoff, Marika

Part of Solar RRL, 2023

• DOI for Silver Alloying in Highly Efficient CuGaSe₂ Solar Cells with Different Buffer Layers
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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
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Circumventing Thermodynamic Constraints in Nucleation-Controlled Crystallization of Al₂TiO₅-Based Chemical Vapor Deposition Coatings

Öhman, Sebastian; Ek, Gustav; Nagy, Gyula; Törndahl, Tobias et al.

Part of Chemistry of Materials, p. 5151-5164, 2022

• DOI for Circumventing Thermodynamic Constraints in Nucleation-Controlled Crystallization of Al₂TiO₅-Based Chemical Vapor Deposition Coatings
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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
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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
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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
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Nanometer-Thick ZnO/SnO2 Heterostructures Grown on Alumina for H2S Sensing

Akbari-Saatlu, Mehdi; Procek, Marcin; Mattsson, Claes; Thungström, Göran et al.

Part of ACS Applied Nano Materials, p. 6954-6963, 2022

• DOI for Nanometer-Thick ZnO/SnO2 Heterostructures Grown on Alumina for H2S Sensing
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Low temperature (Zn,Sn)O deposition for reducing interface open-circuit voltage deficit to achieve highly efficient Se-free Cu(In,Ga)S₂ solar cells

Sood, Mohit; Adeleye, Damilola; Shukla, Sudhanshu; Törndahl, Tobias et al.

Part of Faraday discussions, p. 328-338, 2022

• DOI for Low temperature (Zn,Sn)O deposition for reducing interface open-circuit voltage deficit to achieve highly efficient Se-free Cu(In,Ga)S₂ solar cells
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Selective kinetic growth and role of local coordination in forming Al₂TiO₅-based coatings at lower temperatures

Öhman, Sebastian; Qiu, Ren; Edvinsson, Tomas; Backe, Olof et al.

Part of Materials Advances, p. 5737-5751, 2021

• DOI for Selective kinetic growth and role of local coordination in forming Al₂TiO₅-based coatings at lower temperatures
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SnO_x Atomic Layer Deposition on Bare Perovskite: An Investigation of Initial Growth Dynamics, Interface Chemistry, and Solar Cell Performance

Hultqvist, Adam; Jacobsson, T. Jesper; Svanström, Sebastian; Edoff, Marika et al.

Part of ACS Applied Energy Materials, p. 510-522, 2021

• DOI for SnO_x Atomic Layer Deposition on Bare Perovskite: An Investigation of Initial Growth Dynamics, Interface Chemistry, and Solar Cell Performance
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Comparison of Sulfur Incorporation into CuInSe(2)and CuGaSe(2)Thin-Film Solar Absorbers

Khavari, Faraz; Keller, Jan; Larsen, Jes K; Sopiha, Kostiantyn et al.

Part of Physica Status Solidi (A), 2020

• DOI for Comparison of Sulfur Incorporation into CuInSe(2)and CuGaSe(2)Thin-Film Solar Absorbers
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Wide‐gap (Ag,Cu)(In,Ga)Se₂ solar cells with different buffer materials—A path to a better heterojunction

Keller, Jan; Sopiha, Kostiantyn V.; Stolt, Olof; Stolt, Lars et al.

Part of Progress in Photovoltaics, p. 237-250, 2020

• DOI for Wide‐gap (Ag,Cu)(In,Ga)Se₂ solar cells with different buffer materials—A path to a better heterojunction

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
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Atomic Layer Deposition of Ternary Compounds on Cu(In,Ga)Se₂: An In Situ Quartz Crystal Microbalance Study

Larsson, Fredrik; Stolt, Lars; Hultqvist, Adam; Edoff, Marika et al.

Part of ACS Applied Energy Materials, p. 7208-7215, 2020

• DOI for Atomic Layer Deposition of Ternary Compounds on Cu(In,Ga)Se₂: An In Situ Quartz Crystal Microbalance Study

Amorphous tin-gallium oxide buffer layers in (Ag,Cu)(In,Ga)Se₂ solar cells

Larsson, Fredrik; Keller, Jan; Olsson, Jörgen; Donzel-Gargand, Olivier et al.

Part of Solar Energy Materials and Solar Cells, 2020

• DOI for Amorphous tin-gallium oxide buffer layers in (Ag,Cu)(In,Ga)Se₂ solar cells
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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
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Atomic layer deposition of amorphous tin-gallium oxide films

Larsson, Fredrik; Keller, Jan; Primetzhofer, Daniel; Riekehr, Lars et al.

Part of Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films, 2019

• DOI for Atomic layer deposition of amorphous tin-gallium oxide films
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Mechanistic Insights into Solid-State p-Type Dye-Sensitized Solar Cells

Tian, Lei; Törndahl, Tobias; Ling, Junzhong; Pati, Palas Baran et al.

Part of The Journal of Physical Chemistry C, p. 26151-26160, 2019

• DOI for Mechanistic Insights into Solid-State p-Type Dye-Sensitized Solar Cells

Secondary phase formation and surface modification from a high dose KF-post deposition treatment of (Ag,Cu)(In,Ga)Se-2 solar cell absorbers

Donzel-Gargand, Olivier; Larsson, Fredrik; Törndahl, Tobias; Stolt, Lars et al.

Part of Progress in Photovoltaics, p. 220-228, 2019

• DOI for Secondary phase formation and surface modification from a high dose KF-post deposition treatment of (Ag,Cu)(In,Ga)Se-2 solar cell absorbers

Atomic layer deposition of Zn(O,S) buffer layers for Cu(In,Ga)Se₂ solar cells with KF post-deposition treatment

Larsson, Fredrik; Donzel-Gargand, Olivier; Keller, Jan; Edoff, Marika et al.

Part of Solar Energy Materials and Solar Cells, p. 8-15, 2018

• DOI for Atomic layer deposition of Zn(O,S) buffer layers for Cu(In,Ga)Se₂ solar cells with KF post-deposition treatment

Slow-muon study of quaternary solar-cell materials: Single layers and p-n junctions

Alberto, H. V.; Vilao, R. C.; Vieira, R. B. L.; Gil, J. M. et al.

Part of Physical Review Materials, 2018

• DOI for Slow-muon study of quaternary solar-cell materials: Single layers and p-n junctions

Using hydrogen‐doped In₂O₃ films as a transparent back contact in (Ag,Cu)(In,Ga)Se₂ solar cells

Keller, Jan; Shariati, Masumeh-Nina; Aijaz, Asim; Riekehr, Lars et al.

Part of Progress in Photovoltaics, p. 159-170, 2018

• DOI for Using hydrogen‐doped In₂O₃ films as a transparent back contact in (Ag,Cu)(In,Ga)Se₂ solar cells

Deep surface Cu depletion induced by K in high-efficiency Cu(In,Ga)Se2 solar cell absorbers

Donzel-Gargand, Olivier; Thersleff, Thomas; Keller, Jan; Törndahl, Tobias et al.

Part of Progress in Photovoltaics, p. 730-739, 2018

• DOI for Deep surface Cu depletion induced by K in high-efficiency Cu(In,Ga)Se2 solar cell absorbers
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Bifacial Cu(In,Ga)Se₂ solar cells using hydrogen‐doped In₂O₃ films as a transparent back contact

Keller, Jan; Chen, Wei-Chao; Riekehr, Lars; Kubart, Tomas et al.

Part of Progress in Photovoltaics, p. 846-858, 2018

• DOI for Bifacial Cu(In,Ga)Se₂ solar cells using hydrogen‐doped In₂O₃ films as a transparent back contact

Effect of KF absorber treatment on the functionality of different transparent conductive oxide layers in CIGSe solar cells

Keller, Jan; Chalvet, Francis; Joel, Jonathan; Aijaz, Asim et al.

Part of Progress in Photovoltaics, p. 13-23, 2018

• DOI for Effect of KF absorber treatment on the functionality of different transparent conductive oxide layers in CIGSe solar cells

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
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Record 1.0 V open-circuit voltage in wide band gap chalcopyrite solar cells

Larsson, Fredrik; Shariati, M. Nina; Keller, Jan; Frisk, Christopher et al.

Part of Progress in Photovoltaics, p. 755-763, 2017

• DOI for Record 1.0 V open-circuit voltage in wide band gap chalcopyrite solar cells

Evaluation of different intrinsic ZnO and transparent conducting oxide layer combinations in Cu(In,Ga)Se₂ solar cells

Larsson, Fredrik; Keller, Jan; Edoff, Marika; Törndahl, Tobias

Part of Thin Solid Films, p. 235-238, 2017

• DOI for Evaluation of different intrinsic ZnO and transparent conducting oxide layer combinations in Cu(In,Ga)Se₂ solar cells

Atomic Layer Deposition of Electron Selective SnO_x and ZnO Films on Mixed Halide Perovskite: Compatibility and Performance

Hultqvist, Adam; Aitola, Kerttu; Sveinbjörnsson, Kári; Saki, Zahra et al.

Part of ACS Applied Materials and Interfaces, p. 29707-29716, 2017

• DOI for Atomic Layer Deposition of Electron Selective SnO_x and ZnO Films on Mixed Halide Perovskite: Compatibility and Performance

CdS and Zn1-xSnxOy buffer layers for CIGS solar cells

Salome, P. M. P.; Keller, Jan; Törndahl, Tobias; Teixeira, J. P. et al.

Part of Solar Energy Materials and Solar Cells, p. 272-281, 2017

• DOI for CdS and Zn1-xSnxOy buffer layers for CIGS solar cells

On the beneficial effect of Al₂O₃ front contact passivation in Cu(In,Ga)Se₂ solar cells

Keller, Jan; Gustavsson, Fredrik; Stolt, Lars; Edoff, Marika et al.

Part of Solar Energy Materials and Solar Cells, p. 189-196, 2017

• DOI for On the beneficial effect of Al₂O₃ front contact passivation in Cu(In,Ga)Se₂ solar cells

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

Cd and Cu Interdiffusion in Cu(In, Ga) Se-2/CdS Hetero-Interfaces

Salome, Pedro M. P.; Ribeiro-Andrade, Rodrigo; Teixeira, Jennifer P.; Keller, Jan et al.

Part of IEEE Journal of Photovoltaics, p. 858-863, 2017

• DOI for Cd and Cu Interdiffusion in Cu(In, Ga) Se-2/CdS Hetero-Interfaces

Influence of CdS and ZnSnO Buffer Layers on the Photoluminescence of Cu(In,Ga)Se-2 Thin Films

Salome, Pedro M. P.; Teixeira, Jennifer P.; Keller, Jan; Törndahl, Tobias et al.

Part of IEEE Journal of Photovoltaics, p. 670-675, 2017

• DOI for Influence of CdS and ZnSnO Buffer Layers on the Photoluminescence of Cu(In,Ga)Se-2 Thin Films

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

Atomic layer deposition of In₂O₃ transparent conductive oxide layers for application in Cu(In,Ga)Se₂ solar cells with different buffer layers

Keller, Jan; Stolt, Lars; Edoff, Marika; Törndahl, Tobias

Part of Physica Status Solidi (A), p. 1541-1552, 2016

• DOI for Atomic layer deposition of In₂O₃ transparent conductive oxide layers for application in Cu(In,Ga)Se₂ solar cells with different buffer layers

Direct comparison of atomic layer deposition and sputtering of In2O3:H used as transparent conductive oxide layer in CuIn1-xGaxSe2 thin film solar cells

Keller, Jan; Aijaz, Asim; Gustavsson, Fredrik; Kubart, Tomas et al.

Part of Solar Energy Materials and Solar Cells, p. 757-764, 2016

• DOI for Direct comparison of atomic layer deposition and sputtering of In2O3:H used as transparent conductive oxide layer in CuIn1-xGaxSe2 thin film solar cells

Deposition temperature induced conduction band changes in zinc tin oxide buffer layers for Cu(In,Ga)Se₂ solar cells

Lindahl, Johan; Keller, Jan; Donzel-Gargand, Olivier; Szaniawski, Piotr et al.

Part of Solar Energy Materials and Solar Cells, p. 684-690, 2016

• DOI for Deposition temperature induced conduction band changes in zinc tin oxide buffer layers for Cu(In,Ga)Se₂ solar cells
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Potential gain in photocurrent generation for Cu(In,Ga)Se2 solar cells by using In2O3 as a transparent conductive oxide layer

Keller, Jan; Lindahl, Johan; Edoff, Marika; Stolt, Lars et al.

Part of Progress in Photovoltaics, p. 102-107, 2016

• DOI for Potential gain in photocurrent generation for Cu(In,Ga)Se2 solar cells by using In2O3 as a transparent conductive oxide layer

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
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Deposition of highly textured AlN thin films by reactive high power impulse magnetron sputtering

Moreira, Milena A.; Törndahl, Tobias; Katardjiev, Ilia; Kubart, Tomas

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

• DOI for Deposition of highly textured AlN thin films by reactive high power impulse magnetron sputtering

The effect of substrate temperature on atomic layer deposited zinc tin oxide

Lindahl, Johan; Hägglund, Carl; Wätjen, J. Timo; Edoff, Marika et al.

Part of Thin Solid Films, p. 82-87, 2015

• DOI for The effect of substrate temperature on atomic layer deposited zinc tin oxide

Influence of Varying Cu Content on Growth and Performance of Ga-Graded Cu(In,Ga)Se-2 Solar Cells

Szaniawski, Piotr; Salome, Pedro; Fjällström, Viktor; Törndahl, Tobias et al.

Part of IEEE Journal of Photovoltaics, p. 1775-1782, 2015

• DOI for Influence of Varying Cu Content on Growth and Performance of Ga-Graded Cu(In,Ga)Se-2 Solar Cells

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
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Dynamic parameter estimation of atomic layer deposition kinetics applied to in situ quartz crystal microbalance diagnostics

Holmqvist, A.; Törndahl, Tobias; Magnusson, F.; Zimmermann, Uwe et al.

Part of Chemical Engineering Science, p. 15-33, 2014

• DOI for Dynamic parameter estimation of atomic layer deposition kinetics applied to in situ quartz crystal microbalance diagnostics

Boron Doped diamond films as electron donors in photovoltaics: An X-ray absorption and hard X-ray photoemission study

Kapilashrami, M.; Conti, G.; Zegkinoglou, I.; Nemsak, S. et al.

Part of Journal of Applied Physics, p. 143702, 2014

• DOI for Boron Doped diamond films as electron donors in photovoltaics: An X-ray absorption and hard X-ray photoemission study

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
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Surface engineering in Cu(In,Ga)Se₂ solar cells

Schleussner, Sebastian; Pettersson, Jonas; Törndahl, Tobias; Edoff, Marika

Part of Progress in Photovoltaics, p. 561-568, 2013

• DOI for Surface engineering in Cu(In,Ga)Se₂ solar cells
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Light-enhanced reverse breakdown in Cu(In,Ga)Se₂ solar cells

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

Part of Thin Solid Films, p. 326-330, 2013

• DOI for Light-enhanced reverse breakdown in Cu(In,Ga)Se₂ solar cells

A model-based methodology for the analysis and design of atomic layer deposition processes—Part II: Experimental validation and mechanistic analysis

Holmqvist, Anders; Törndahl, Tobias; Stenström, Stig

Part of Chemical Engineering Science, p. 316-329, 2013

• DOI for A model-based methodology for the analysis and design of atomic layer deposition processes—Part II: Experimental validation and mechanistic analysis

The effect of Zn_1−xSn_xO_y buffer layer thickness in 18.0% efficient Cd-free Cu(In,Ga)Se₂ solar cells

Lindahl, Johan; Wätjen, Jörn Timo; Hultqvist, Adam; Ericson, Tove et al.

Part of Progress in Photovoltaics, p. 1588-1597, 2013

• DOI for The effect of Zn_1−xSn_xO_y buffer layer thickness in 18.0% efficient Cd-free Cu(In,Ga)Se₂ solar cells

A model-based methodology for the analysis and design of atomic layer deposition processes-Part III: Constrained multi-objective optimization

Holmqvist, A.; Törndahl, Tobias; Stenström, S.

Part of Chemical Engineering Science, p. 71-86, 2013

• DOI for A model-based methodology for the analysis and design of atomic layer deposition processes-Part III: Constrained multi-objective optimization

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
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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

Development of gallium gradients in three‐ stageCu(In,Ga)Se₂ co‐evaporation processes

Schleussner, Sebastian; Törndahl, Tobias; Linnarsson, Margareta; Zimmermann, Uwe et al.

Part of Progress in Photovoltaics, p. 284-293, 2012

• DOI for Development of gallium gradients in three‐ stageCu(In,Ga)Se₂ co‐evaporation processes
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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

A model-based methodology for the analysis and design of atomic layer deposition processes—Part I: Mechanistic modelling of continuous flow reactors

Holmqvist, Anders; Törndahl, Tobias; Stenström, Stig

Part of Chemical Engineering Science, p. 260-272, 2012

• DOI for A model-based methodology for the analysis and design of atomic layer deposition processes—Part I: Mechanistic modelling of continuous flow reactors

Soft X-ray characterization of Zn_1-xSn_xO_y electronic structure for thin film photovoltaics

Kapilashrami, Mukes; Kronawitter, Coleman X.; Törndahl, Tobias; Lindahl, Johan et al.

Part of Physical Chemistry, Chemical Physics - PCCP, p. 10154-10159, 2012

• DOI for Soft X-ray characterization of Zn_1-xSn_xO_y electronic structure for thin film photovoltaics

Evaluation of Zn-Sn-O buffer layers for CuIn0.5Ga0.5Se2 solar cells

Hultqvist, Adam; Edoff, Marika; Törndahl, Tobias

Part of Progress in Photovoltaics, p. 478-481, 2011

• DOI for Evaluation of Zn-Sn-O buffer layers for CuIn0.5Ga0.5Se2 solar cells

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

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

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

Reactively sputtered ZrN for application as reflecting back contact in Cu(In,Ga)Se-2 solar cells

Schleussner, Sebastian; Kubart, Tomas; Törndahl, Tobias; Edoff, Marika

Part of Thin Solid Films, p. 5548-5552, 2009

• DOI for Reactively sputtered ZrN for application as reflecting back contact in Cu(In,Ga)Se-2 solar cells
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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

Influence of the N2 gas flow on optical and structural properties of reactively sputtered ZrN films

Schleussner, Sebastian; Törndahl, Tobias; Edoff, Marika

Part of Journal of Physics, Conference Series, 2008

• DOI for Influence of the N2 gas flow on optical and structural properties of reactively sputtered ZrN films

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

Growth of Copper(I) Nitride by ALD Using Copper(II) Hexafluoroacetylacetonate, Water and Ammonia as Precursors

Törndahl, Tobias; Ottosson, Mikael; Carlsson, Jan-Otto

Part of Journal of the Electrochemical Society, 2006

• DOI for Growth of Copper(I) Nitride by ALD Using Copper(II) Hexafluoroacetylacetonate, Water and Ammonia as Precursors
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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

Epitaxy of copper on α-Al2O3(0 0 1) by atomic layer deposition

Törndahl, Tobias; Lu, Jun; Ottosson, Mikael; Carlsson, Jan-Otto

Part of Journal of Crystal Growth, p. 102-110, 2005

• DOI for Epitaxy of copper on α-Al2O3(0 0 1) by atomic layer deposition

Growth of copper metal by atomic layer deposition using copper(I) chloride, water and hydrogen as precursors

Törndahl, Tobias; Ottosson, Mikael; Carlsson, Jan-Otto

Part of Thin Solid Films, p. 129-136, 2004

Copper nanoparticles deposited inside the pores of anodized aluminium oxide using atomic layer deposition

Johansson, Anders; Törndahl, Tobias; Ottosson, Mikael; Boman, Mats et al.

Part of Materials Science and Engineering, p. 823-826, 2003

Recommended reading list of early publications on atomic layer deposition-Outcome of the "Virtual Project on the History of ALD"

Ahvenniemi, Esko; Akbashev, Andrew R.; Ali, Saima; Bechelany, Mikhael et al.

Part of Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films, 2017

• DOI for Recommended reading list of early publications on atomic layer deposition-Outcome of the "Virtual Project on the History of ALD"
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X-ray and Neutron Diffraction on Materials for Thin-Film Solar Cells

Schorr, Susan; Stephan, Christiane; Törndahl, Tobias; Gunder, Rene et al.

Part of Advanced Characterization Techniques for Thin Film Solar Cells, p. 421-440, Wiley-VCH Verlagsgesellschaft, 2016

• DOI for X-ray and Neutron Diffraction on Materials for Thin-Film Solar Cells

X-ray and neutron diffraction on materials for thin film solar cells

Schorr, Susan; Stephan, Christiane; Törndahl, Tobias; Mainz, Roland

Part of Advanced Characterization Techniques for Thin Film Solar Cells, p. 347-363, Wiley-VCH Verlagsgesellschaft, 2011

Mitigation of Phase Separation in High Ga Cu(In,Ga)S2 Absorbers to Achieve ∼ 1 Volt 15.6% Power Conversion Efficiency

Adeleye, Damilola; Sood, Mohit; Törndahl, Tobias; Hultqvist, Adam et al.

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

• DOI for Mitigation of Phase Separation in High Ga Cu(In,Ga)S2 Absorbers to Achieve ∼ 1 Volt 15.6% Power Conversion Efficiency

Post Deposition Treatments of (Ag,Cu)(In,Ga)Se-2 Thin Films for Solar Cells

Edoff, Marika; Törndahl, Tobias; Larsson, Fredrik; Stolt, Olof et al.

Part of 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), p. 618-621, 2019

ALD of Zn(O,S) buffer layers in KF post-deposition treated CIGS solar cells

Larsson, Fredrik; Keller, Jan; Edoff, Marika; Törndahl, Tobias

2017

Cu-depleted patches induced by presence of K during growth of CIGS absorbers

Donzel-Gargand, Olivier; Thersleff, T.; Keller, Jan; Törndahl, Tobias et al.

2017

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Influence of CdS and Zn_xSn_1-xO_y Buffer Layers on the Photoluminescence of Cu(In,Ga)Se₂ Thin Films

Leitao, J. P.; Teixeira, J. P.; Keller, Jan; Törndahl, Tobias et al.

Part of 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), p. 3068-3071, 2016

• DOI for Influence of CdS and Zn_xSn_1-xO_y Buffer Layers on the Photoluminescence of Cu(In,Ga)Se₂ Thin Films

Magnetron sputtering of InGaZnO and ZnSnO amorphous oxide semiconductors

Prusakova, Lucie; Aijaz, Asim; Nyberg, Tomas; Törndahl, Tobias et al.

Part of E-MRS Spring meeting 2015, May 11-15, Lille, France, 2015

Highly textured AlN thin films on Si by reactive High Power Impulse Magnetron Sputtering

Kubart, Tomas; Törndahl, Tobias; Moreira, Milena; Katardjiev, Ilia

Part of 42nd ICMCTF 2015 International Conference on Metallurgical Coatings and Thin Films, 20–24 April, San Diego, USA, 2015

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

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

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

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

2007

In-situ quartz crystal microbalance investigation of atomic layer deposition of Cu3N

Ottosson, Mikael; Törndahl, Tobias; Carlsson, Jan-Otto

Part of Electrochemical Society v. PV 2005-09 EUROCVD-15: Fifteenth European Conference on Chemical Vapor Deposition, p. 591-597, 2005