Publications
August 2024
Stabilization of highly efficient perovskite solar cells with a tailored supramolecular interface
Chenxu Zhao, Zhiwen Zhou, Masaud Almalki, Michael A. Hope, Jiashang Zhao, Thibaut Gallet, Anurag Krishna, Aditya Mishra, Felix T. Eickemeyer, Jia Xu, Yingguo Yang, Shaik M. Zakeeruddin, Alex Redinger, Tom J. Savenije, Lyndon Emsley,Jianxi Yao, Hong Zhang & Michael Grätzel
Nature Communications 15 (1), 7139
June 2024
Grain boundaries are not the source of Urbach tails in Cu(In,Ga)Se2 absorbers
Sevan Gharabeiki, Muhammad Uzair Farooq, Taowen Wang, Mohit Sood, Michele Melchiorre,Christian A Kaufmann, Alex Redinger, Susanne Siebentritt
Journal of Physics: Energy 6 (3), 035008
May 2024
Tin Halide Perovskite Epitaxial Films on Gold Surfaces: Atomic Structure and Stability
Madad Abbasli, Jeremy Hieulle, Jenny Schrage, Dina Wilks, Abdus Samad, Udo Schwingenschlögl, Alex Redinger, Carsten Busse, Robin Ohmann
Advanced Functional Materials, 2403680
April 2024
Modification of mono-layer MoS2 through post-deposition treatment and oxidation
for enhanced optoelectronic properties
Jonathan Rommelfangen, Marco A. Gonzalez-Angulo, Devendra Pareek, Levent Gütay, Phillip J. Dale, and Alex Redinger
APL Materials 12 (4)
March 2024
H. Phirke S. Gharabeiki A. Singh A. Krishna S. Siebentritt A. Redinger
APL Energy 2 (1)
February 2024
Carrier concentration resolved
A Redinger
Nature Energy 9 (2), 117-118
December 2023
Understanding and decoupling the role of wavelength and defects in light-induced degradation of metal-halide perovskites
Jeremy Hieulle, Anurag Krishna, Ariadni Boziki, Jean-Nicolas Audinot, Muhammad Uzair Farooq, Joana Ferreira Machado, Marko Mladenovic´, Himanshu Phirke, Ajay Singh, Tom Wirtz, Alexandre Tkatchenko, Michael Graetzel, Anders Hagfeldt and Alex Redinger
Energy Environ. Sci. (2023)
August 2023
Mitigating the Heterointerface Driven Instability in Perovskite Photovoltaics
Anurag Krishna, Viktor Skorjanc, Mathias Dankl, Jeremy Hieulle, Himanshu Phirke, Ajay Singh, Essa A Alharbi, Hong Zhang, Felix Eickemeyer, Shaik M Zakeeruddin, GN Manjunatha Reddy, Alex Redinger, Ursula Rothlisberger, Michael Gratzel, Anders Hagfeldt
ACS Energy Lett. 2023, 8, 8, 3604–3613
May 2023
Light Makes Right: Laser Polishing for Surface Modification of Perovskite Solar Cells
Mayank Kedia, Monika Rai, Himanshu Phirke, Clara A Aranda, Chittaranjan Das, Vladimir Chirvony, Stephan Boehringer, Małgorzata Kot, Mahdi Malekshahi Byranvand, Jan Ingo Flege, Alex Redinger, Michael Saliba
ACS Energy Lett. 2023, 8, 6, 2603–2610
May 2023
Nanoscale Surface Analysis Reveals Origins of Enhanced Interface Passivation in RbF Post Deposition Treated CIGSe Solar Cells
Christian Kameni Boumenou, Himanshu Phirke, Jonathan Rommelfangen, Jean‐Nicolas Audinot, Shiro Nishiwaki, Tom Wirtz, Romain Carron, Alex Redinger
Adv. Funct. Mater.2023, 33, 2300590
August 2022
Coevaporation Stabilizes Tin-Based Perovskites in a Single Sn-Oxidation State
Ajay Singh, Jeremy Hieulle, Joana Ferreira Machado, Sevan Gharabeiki, Weiwei Zuo, Muhammad Uzair Farooq, Himanshu Phirke, Michael Saliba, Alex Redinger
Nano Letters 22 (17), 7112-7118
July 2022
Surface Passivation and Detrimental Heat-Induced Diffusion Effects in RbF-Treated Cu(In,Ga)Se2 Solar Cell Absorbers
Amala Elizabeth, Sudhir K Sahoo, Himanshu Phirke, Tim Kodalle, Thomas D Kühne, Jean-Nicolas Audinot, Tom Wirtz, Alex Redinger, Christian A Kaufmann, Hossein Mirhosseini, Harry Mönig
ACS Applied Materials & Interfaces 14 (29), 34101-34112
June 2022
The impact of strain on growth mode in chemical vapor deposited mono- and few-layer MoS2
J Rommelfangen, S Reichardt, V Ben Chu, L Wirtz, PJ Dale, A Redinger
AIP Advances 12 (6), 065010
Single-crystalline TiO2 nanoparticles for stable and efficient perovskite modules
Yong Ding, Bin Ding, Hiroyuki Kanda, Onovbaramwen Jennifer Usiobo, Thibaut Gallet, Zhenhai Yang, Yan Liu, Hao Huang, Jiang Sheng, Cheng Liu, Yi Yang, Valentin Ianis Emmanuel Queloz, Xianfu Zhang, Jean-Nicolas Audinot, Alex Redinger, Wei Dang, Edoardo Mosconic, Wen Luo, Filippo De Angelis, Mingkui Wang, Patrick Dörflinger, Melina Armer, Valentin Schmid, Rui Wang, Keith G Brooks, Jihuai Wu, Vladimir Dyakonov, Guanjun Yang, Songyuan Dai, Paul J Dyson, Mohammad Khaja Nazeeruddin
Nature Nanotechnology, 1-8 2022
March 2022
Impact of metallic potassium post-deposition treatment on epitaxial Cu(In,Ga)Se2
Evandro M. Lanzoni, Omar Ramirez, Himanshu Phirke, Amala Elizabeth, Harry Mönig and Alex Redinger
Thin Film Solids, 1, 139002
Mohit Sood, Aleksander Urbaniak, Christian Kameni Boumenou, Thomas Paul Weiss, Hossam Elanzeery, Finn Babbe, Florian Werner, Michele Melchiorre and Susanne Siebentritt
Progress in Photovoltaics 2021
Roadmap on organic–inorganic hybrid perovskite semiconductors and devices
Lukas Schmidt-Mende, Vladimir Dyakonov, Selina Olthof, Feray Ünlü, Khan Moritz Trong Lê, Sanjay Mathur, Andrei D. Karabanov, Doru C. Lupascu, Laura M. Herz, Alexander Hinderhofer, Frank Schreiber, Alexey Chernikov, David A. Egger, Oleksandra Shargaieva, Caterina Cocchi, Eva Unger, Michael Saliba, Mahdi Malekshahi Byranvand, Martin Kroll, Frederik Nehm, Karl Leo, Alex Redinger ... and Claudia Draxl
Nanoscale interfacial engineering enables highly stable and efficient perovskite photovoltaics
Anurag Krishna, Hong Zhang, Zhiwen Zhou, Thibaut Gallet, Mathias Dankl, Olivier Ouellette, Felix T. Eickemeyer, Fan Fu, Sandy Sanchez, Mounir Mensi, Shaik M. Zakeeruddin, Ursula Rothlisberger, G. N. Manjunatha Reddy, Alex Redinger, Michael Grätzel and Anders Hagfeldt
Energy & Environmental Science, 2021,14, 5552-5562
Evandro M. Lanzoni, Thibaut Gallet, Conrad Spindler, Omar Ramirez, Chrisitan Kameni Boumenou, Susanne Siebentritt and Alex Redinger
Thibaut Gallet, Ricardo G. Poeira, Evandro M. Lanzoni, Tobias Abzieher, Ulrich W. Paetzold and Alex Redinger
ACS Appl. Mater. Interfaces 2021, 13, 2, 2642–2653
Electronic and compositional properties of the rear‐side of stoichiometric CuInSe2 absorbers
Christian Kameni Boumenou, Amala Elizabeth, Finn Babbe, Alice Debot, Harry Mönig and Alex Redinger
Prog Photovolt Res Appl. 2020; 1– 11
Passivation of the CuInSe2 surface via cadmium pre-electrolyte treatment
Christian Kameni Boumenou, Finn Babbe, Amala Elizabeth, Michele Melchiorre, Conrad Spindler, Jérome Guillot, Harry Mönig, Susanne Siebentritt, and Alex Redinger
Phys. Rev. Materials 4 (4), 045405
February 2020
Thibaut Gallet, Evandro M. Lanzoni and Alex Redinger
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), Chicago, IL, USA, 2019, pp. 1477-1482.
Surface characterization of epitaxial Cu-rich CuInSe2 absorbers
Evandro M. Lanzoni, Conrad Spindler, Omar Ramirez, Michele Melchiorre, Susanne Siebentritt and Alex Redinger
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), Chicago, IL, USA, 2019, pp. 2346-2350
Fermi-level pinning in methylammonium lead iodide perovskites
Thibaut Gallet, David Grabowski, Thomas Kirchartz and Alex Redinger
Nanoscale, 2019, 11, 16828-16836
Physical routes for the synthesis of kesterite
T Ratz, G Brammertz, R Caballero, M León, S Canulescu, J Schou, L Gütay, D Pareek, T Taskesen, D-H Kim, J-K Kang, C Malerba, A Redinger, E Saucedo, B Shin, H Tampo, K Timmo, N D Nguyen and B Vermang
Journal of Physics: Energy, Volume 1, Number 4
July 2019
Martin Stolterfoht, Pietro Caprioglio, Christian M. Wolff, José A. Márquez, Joleik Nordmann, Shanshan Zhang, Daniel Rothhardt, Ulrich Hörmann, Yohai Amir, Alex Redinger, Lukas Kegelmann, Fengshuo Zu, Steve Albrecht, Norbert Koch, Thomas Kirchartz, Michael Saliba, Thomas Unold and Dieter Neher
Energy Environ. Sci., 2019,12, 2778-2788
March 2019
Variable chemical decoration of extended defects in Cu-poor Cu2ZnSnSe4thin films
Torsten Schwarz, Alex Redinger, Susanne Siebentritt, Zirong Peng, Baptiste Gault, Dierk Raabe and Pyuck-Pa Choi
Physical Review Materials 3, 035402
August 2018
Advanced characterization and in-situ growth monitoring of Cu(In,Ga)Se2 thin films and solar cells
D.Abou-Ras, M.Bär, R.Caballero, R.Gunder, C.Hages, M.D.Heinemann, C.A.Kaufmann, M.Krause, S.Levcenko, R.Mainz, J.Márquez, A.Nikolaeva, A.Redinger, N.Schäfer, S.Schorr, H.Stange, T.Unold and R.G.Wilks
Solar Energy, Volume 170, 102-112
January 2018
High surface recombination velocity limits Quasi-Fermi level splitting in kesterite absorbers
Scientific Reports 8, 1874