Ute Cappel
Senior Lecturer/Associate Professor at Department of Physics and Astronomy; X-ray Photon Science
- Mobile phone:
- +46 70 335 91 55
- E-mail:
- ute.cappel@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Regementsvägen 10
- Postal address:
- Box 516
751 37 UPPSALA
Senior Lecturer/Associate Professor at Department of Physics and Astronomy; X-ray Photon Science; Condensed Matter Physics of Energy Materials
- Mobile phone:
- +46 70 335 91 55
- E-mail:
- ute.cappel@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Regementsvägen 10
- Postal address:
- Box 516
751 37 UPPSALA
Short presentation
I'm a fellow of the Wallenberg Initiative Materials Science for Sustainability (WISE) at the research program "Condensed Matter Physics of Energy Materials" in the Division of X-ray Photon Science.
Opportunities
If you are interested in doing a bachelor/master project in my group, please email me!
See more information about my research group below.
Biography
Short CV
Master in Science (MSci) in Chemical Physics, University of Bristol, United Kingdom, 2007
PhD in Chemistry with a Specialisation in Physical Chemistry, Uppsala University, Sweden, 2011, Characterisation of Organic Dyes for Solid State Dye-Sensitized Solar Cells
Docent in Chemistry with specialization in Inorganic Materials Chemistry, KTH, Sweden, 2018
Intra-European Marie Curie fellow, Department of Chemistry, Imperial College, United Kingdom, 2012-2014
Postdoctoral Researcher at the Division of Molecular and Condensed Matter Physics, Department of Physics and Astronomy, Uppsala University, Sweden, 2014-2017
Assistant Professor at the Division of Applied Physical Chemistry, Department of Chemistry, KTH - Royal Institute of Technology, Sweden, 2017-2020
Associate Professor at the Division of Applied Physical Chemistry, Department of Chemistry, KTH - Royal Institute of Technology, Sweden, from 2020-2023
Current Position: Associate Professor and WISE (Wallenberg Initiative Materials Science for Sustainability) fellow at the Division of X-ray Photon Science, Department of Physics and Astronomy, Uppsala University, Sweden, from 2023
Publications: A complete and updated list of my publications can be found on Google Scholar.
Research
Research Interests
My research focus is the characterisation of materials for and processes in solar cells. My particular interest is to develop and use time-resolved photoelectron spectroscopy to measure the electronic structure during the light-to-electricity conversion process.
Opportunities
If you are interested in doing a master/bachelor project in my group, please email me!
Group Members
Karen Radetzky (PhD student)
Birgit Kammlander (PhD student)
Brian Rydgren (PhD student)
Julia Prumbs (PhD student)
Fredrik Johansson (postdoc)
Alberto García-Fernández (postdoc)
Former PhD students
Sebastian Svanström (PhD thesis)
Tamara Sloboda (PhD thesis)

Publications
Recent publications
Investigating charge dynamics at lead halide perovskite single crystal surfaces
Part of Journal of Physics, 2025
- DOI for Investigating charge dynamics at lead halide perovskite single crystal surfaces
- Download full text (pdf) of Investigating charge dynamics at lead halide perovskite single crystal surfaces
Part of Nanoscale, p. 21002-21010, 2024
- DOI for Interface-resolved photovoltage generation dynamics and band structure evolution in a PbS quantum dot solar cell
- Download full text (pdf) of Interface-resolved photovoltage generation dynamics and band structure evolution in a PbS quantum dot solar cell
Part of Journal of Materials Chemistry A, p. 31432-31444, 2024
- DOI for Effect of different halide-based ligands on the passivation and charge carrier dynamics in AgBiS2 nanocrystal solar cells
- Download full text (pdf) of Effect of different halide-based ligands on the passivation and charge carrier dynamics in AgBiS2 nanocrystal solar cells
Part of Energy & Environmental Science, p. 4714-4724, 2024
Part of Physical Chemistry, Chemical Physics - PCCP, p. 1000-1010, 2024
- DOI for Composition dependence of X-ray stability and degradation mechanisms at lead halide perovskite single crystal surfaces
- Download full text (pdf) of Composition dependence of X-ray stability and degradation mechanisms at lead halide perovskite single crystal surfaces
All publications
Articles in journal
Investigating charge dynamics at lead halide perovskite single crystal surfaces
Part of Journal of Physics, 2025
- DOI for Investigating charge dynamics at lead halide perovskite single crystal surfaces
- Download full text (pdf) of Investigating charge dynamics at lead halide perovskite single crystal surfaces
Part of Nanoscale, p. 21002-21010, 2024
- DOI for Interface-resolved photovoltage generation dynamics and band structure evolution in a PbS quantum dot solar cell
- Download full text (pdf) of Interface-resolved photovoltage generation dynamics and band structure evolution in a PbS quantum dot solar cell
Part of Journal of Materials Chemistry A, p. 31432-31444, 2024
- DOI for Effect of different halide-based ligands on the passivation and charge carrier dynamics in AgBiS2 nanocrystal solar cells
- Download full text (pdf) of Effect of different halide-based ligands on the passivation and charge carrier dynamics in AgBiS2 nanocrystal solar cells
Part of Energy & Environmental Science, p. 4714-4724, 2024
Part of Physical Chemistry, Chemical Physics - PCCP, p. 1000-1010, 2024
- DOI for Composition dependence of X-ray stability and degradation mechanisms at lead halide perovskite single crystal surfaces
- Download full text (pdf) of Composition dependence of X-ray stability and degradation mechanisms at lead halide perovskite single crystal surfaces
Part of The Journal of Physical Chemistry C, p. 23733-23742, 2023
- DOI for Charge Transfer in the P(g42T-T):BBL Organic Polymer Heterojunction Measured with Core-Hole Clock Spectroscopy
- Download full text (pdf) of Charge Transfer in the P(g42T-T):BBL Organic Polymer Heterojunction Measured with Core-Hole Clock Spectroscopy
Interface Energy Alignment between Lead Halide Perovskite Single Crystals and TIPS-Pentacene
Part of Inorganic Chemistry, p. 15412-15420, 2023
- DOI for Interface Energy Alignment between Lead Halide Perovskite Single Crystals and TIPS-Pentacene
- Download full text (pdf) of Interface Energy Alignment between Lead Halide Perovskite Single Crystals and TIPS-Pentacene
Part of ACS Applied Materials and Interfaces, p. 12485-12494, 2023
- DOI for Direct measurements of interfacial photovoltage and band alignment in perovskite solar cells using hard X-ray photoelectron spectroscopy
- Download full text (pdf) of Direct measurements of interfacial photovoltage and band alignment in perovskite solar cells using hard X-ray photoelectron spectroscopy
Part of RSC Advances, p. 31671-31679, 2022
- DOI for Unravelling the ultrafast charge dynamics in PbS quantum dots through resonant Auger mapping of the sulfur K-edge
- Download full text (pdf) of Unravelling the ultrafast charge dynamics in PbS quantum dots through resonant Auger mapping of the sulfur K-edge
Thermal degradation of lead halide perovskite surfaces
Part of Chemical Communications, p. 13523-13526, 2022
- DOI for Thermal degradation of lead halide perovskite surfaces
- Download full text (pdf) of Thermal degradation of lead halide perovskite surfaces
Part of Physical Chemistry, Chemical Physics - PCCP, p. 12645-12657, 2022
- DOI for The impact of chemical composition of halide surface ligands on the electronic structure and stability of lead sulfide quantum dot materials
- Download full text (pdf) of The impact of chemical composition of halide surface ligands on the electronic structure and stability of lead sulfide quantum dot materials
The Complex Degradation Mechanism of Copper Electrodes on Lead Halide Perovskites
Part of ACS Materials Science Au, p. 301-312, 2022
- DOI for The Complex Degradation Mechanism of Copper Electrodes on Lead Halide Perovskites
- Download full text (pdf) of The Complex Degradation Mechanism of Copper Electrodes on Lead Halide Perovskites
Part of ACS Applied Energy Materials, p. 1460-1470, 2022
- DOI for Effect of the Ancillary Ligand on the Performance of Heteroleptic Cu(I) Diimine Complexes as Dyes in Dye-Sensitized Solar Cells
- Download full text (pdf) of Effect of the Ancillary Ligand on the Performance of Heteroleptic Cu(I) Diimine Complexes as Dyes in Dye-Sensitized Solar Cells
Spatial microheterogeneity in the valence band of mixed halide hybrid perovskite materials
Part of Chemical Science, p. 9285-9294, 2022
- DOI for Spatial microheterogeneity in the valence band of mixed halide hybrid perovskite materials
- Download full text (pdf) of Spatial microheterogeneity in the valence band of mixed halide hybrid perovskite materials
Part of The Journal of Physical Chemistry C, p. 8360-8368, 2021
- DOI for Sensitivity of Nitrogen K-Edge X-ray Absorption to Halide Substitution and Thermal Fluctuations in Methylammonium Lead-Halide Perovskites
- Download full text (pdf) of Sensitivity of Nitrogen K-Edge X-ray Absorption to Halide Substitution and Thermal Fluctuations in Methylammonium Lead-Halide Perovskites
Part of ACS Applied Energy Materials, p. 510-522, 2021
- DOI for SnOx Atomic Layer Deposition on Bare Perovskite: An Investigation of Initial Growth Dynamics, Interface Chemistry, and Solar Cell Performance
- Download full text (pdf) of SnOx Atomic Layer Deposition on Bare Perovskite: An Investigation of Initial Growth Dynamics, Interface Chemistry, and Solar Cell Performance
X-ray stability and degradation mechanism of lead halide perovskites and lead halides.
Part of Physical Chemistry, Chemical Physics - PCCP, p. 12479-12489, 2021
Part of Scientific Reports, 2020
- DOI for A method for studying pico to microsecond time-resolved core-level spectroscopy used to investigate electron dynamics in quantum dots
- Download full text (pdf) of A method for studying pico to microsecond time-resolved core-level spectroscopy used to investigate electron dynamics in quantum dots
Part of ACS Applied Energy Materials, p. 4331-4337, 2020
- DOI for Simple Method for Efficient Slot-Die Coating of MAPbI(3) Perovskite Thin Films in Ambient Air Conditions
- Download full text (pdf) of Simple Method for Efficient Slot-Die Coating of MAPbI(3) Perovskite Thin Films in Ambient Air Conditions
Elucidating and Mitigating Degradation Processes in Perovskite Light-Emitting Diodes
Part of Advanced Energy Materials, 2020
2-Terminal CIGS-perovskite tandem cells: A layer by layer exploration
Part of Solar Energy, p. 270-288, 2020
- DOI for 2-Terminal CIGS-perovskite tandem cells: A layer by layer exploration
- Download full text (pdf) of 2-Terminal CIGS-perovskite tandem cells: A layer by layer exploration
Tailoring Ultra-fast Charge Transfer in MoS2
Part of Physical Chemistry, Chemical Physics - PCCP, p. 10335-10342, 2020
- DOI for Tailoring Ultra-fast Charge Transfer in MoS2
- Download full text (pdf) of Tailoring Ultra-fast Charge Transfer in MoS2
Part of Journal of Materials Chemistry A, p. 10729-10738, 2019
Part of Chemistry of Materials, p. 4081-4091, 2019
Extending the Compositional Space of Mixed Lead Halide Perovskites by Cs, Rb, K, and Na Doping
Part of The Journal of Physical Chemistry C, p. 13548-13557, 2018
Effect of halide ratio and Cs+ addition on the photochemical stability of lead halide perovskites
Part of Journal of Materials Chemistry A, p. 22134-22144, 2018
- DOI for Effect of halide ratio and Cs+ addition on the photochemical stability of lead halide perovskites
- Download full text (pdf) of Effect of halide ratio and Cs+ addition on the photochemical stability of lead halide perovskites
Part of Sustainable Energy & Fuels, p. 606-615, 2018
Part of Advanced Energy Materials, 2018
Femtosecond and Attosecond Electron-Transfer Dynamics in PCPDTBT: PCBM Bulk Heterojunctions
Part of The Journal of Physical Chemistry C, p. 12605-12614, 2018
- DOI for Femtosecond and Attosecond Electron-Transfer Dynamics in PCPDTBT: PCBM Bulk Heterojunctions
- Download full text (pdf) of Femtosecond and Attosecond Electron-Transfer Dynamics in PCPDTBT: PCBM Bulk Heterojunctions
Part of Journal of Power Sources, p. 70-79, 2018
Defect-Induced Water Bilayer Growth on Anatase TiO2(101)
Part of Langmuir, p. 10856-10864, 2018
First layer water phases on anatase TiO2(101)
Part of Surface Science, p. 25-31, 2018
Electronic Structure Characterization of Cross-Linked Sulfur Polymers
Part of ChemPhysChem, p. 1041-1047, 2018
Low Dose Photoelectron Spectroscopy at BESSY II: Electronic structure of matter in its native state
Part of Journal of Electron Spectroscopy and Related Phenomena, p. 68-78, 2018
- DOI for Low Dose Photoelectron Spectroscopy at BESSY II: Electronic structure of matter in its native state
- Download full text (pdf) of Low Dose Photoelectron Spectroscopy at BESSY II: Electronic structure of matter in its native state
Part of ACS Applied Materials and Interfaces, p. 34970-34978, 2017
- DOI for Partially Reversible Photoinduced Chemical Changes in a Mixed-Ion Perovskite Material for Solar Cells
- Download full text (pdf) of Partially Reversible Photoinduced Chemical Changes in a Mixed-Ion Perovskite Material for Solar Cells
Part of The Journal of Physical Chemistry C, p. 26655-26666, 2017
- DOI for Valence Level Character in a Mixed Perovskite Material and Determination of the Valence Band Maximum from Photoelectron Spectroscopy: Variation with Photon Energy
- Download full text (pdf) of Valence Level Character in a Mixed Perovskite Material and Determination of the Valence Band Maximum from Photoelectron Spectroscopy: Variation with Photon Energy
Part of ACS Applied Materials and Interfaces, p. 33470-33477, 2017
Part of Chemistry of Materials, p. 3589-3596, 2017
Part of Scientific Reports, 2016
- DOI for Evidence for photo-induced charge separation between dye molecules adsorbed to aluminium oxide surfaces
- Download full text (pdf) of Evidence for photo-induced charge separation between dye molecules adsorbed to aluminium oxide surfaces
Part of Physical Chemistry, Chemical Physics - PCCP, p. 21921-21929, 2016
Part of Review of Scientific Instruments, 2015
Energy level alignment in TiO2/metal sulfide/polymer interfaces for solar cell applications
Part of Physical Chemistry, Chemical Physics - PCCP, p. 17099-17107, 2014
Part of Angewandte Chemie International Edition, p. 12047-12051, 2013
Comparing spiro-OMeTAD and P3HT hole conductors in efficient solid state dye-sensitized solar cells
Part of Physical Chemistry, Chemical Physics - PCCP, p. 779-789, 2012
Part of The Journal of Physical Chemistry C, p. 4345-4358, 2011
Energy Alignment and Surface Dipoles of Rylene Dyes adsorbed to TiO2 nanoparticles
Part of Physical Chemistry, Chemical Physics - PCCP, p. 14767-14774, 2011
- DOI for Energy Alignment and Surface Dipoles of Rylene Dyes adsorbed to TiO2 nanoparticles
- Download full text (pdf) of Energy Alignment and Surface Dipoles of Rylene Dyes adsorbed to TiO2 nanoparticles
Part of The Journal of Physical Chemistry C, p. 10551-10558, 2010
The influence of local electric fields on photoinduced absorption in dye-sensitized solar cells.
Part of Journal of the American Chemical Society, p. 9096-9101, 2010
Part of The Journal of Physical Chemistry C, p. 6275-6281, 2009
A broadly absorbing perylene dye for solid-state dye-sensitized solar cells.
Part of The Journal of Physical Chemistry C, p. 14595-14597, 2009
Articles, review/survey
Characterization techniques for dye-sensitized solar cells
Part of Energy & Environmental Science, p. 672-709, 2017