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Eike Köhnen
Eike Köhnen
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Year
Monolithic perovskite/silicon tandem solar cell with> 29% efficiency by enhanced hole extraction
A Al-Ashouri, E Köhnen, B Li, A Magomedov, H Hempel, P Caprioglio, ...
Science 370 (6522), 1300-1309, 2020
14902020
Conformal monolayer contacts with lossless interfaces for perovskite single junction and monolithic tandem solar cells
A Al-Ashouri, A Magomedov, M Roß, M Jošt, M Talaikis, G Chistiakova, ...
Energy & Environmental Science 12 (11), 3356-3369, 2019
7332019
Textured interfaces in monolithic perovskite/silicon tandem solar cells: advanced light management for improved efficiency and energy yield
M Jošt, E Köhnen, AB Morales-Vilches, B Lipovšek, K Jäger, B Macco, ...
Energy & Environmental Science 11 (12), 3511-3523, 2018
375*2018
Highly efficient monolithic perovskite silicon tandem solar cells: analyzing the influence of current mismatch on device performance
E Köhnen, M Jošt, AB Morales-Vilches, P Tockhorn, A Al-Ashouri, ...
Sustainable Energy & Fuels 3 (8), 1995-2005, 2019
2812019
21.6%-Efficient Monolithic Perovskite/Cu(In,Ga)Se2 Tandem Solar Cells with Thin Conformal Hole Transport Layers for Integration on Rough Bottom Cell Surfaces
M Jošt, T Bertram, D Koushik, JA Marquez, MA Verheijen, ...
ACS Energy Letters 4 (2), 583-590, 2019
2052019
Interface engineering for high-performance, triple-halide perovskite–silicon tandem solar cells
S Mariotti, E Köhnen, F Scheler, K Sveinbjörnsson, L Zimmermann, M Piot, ...
Science 381 (6653), 63-69, 2023
2032023
Perovskite/CIGS Tandem Solar Cells: From Certified 24.2% toward 30% and Beyond
M Jošt, E Köhnen, A Al-Ashouri, T Bertram, S Tomšič, ...
ACS Energy Letters 7 (4), 1298-1307, 2022
1962022
Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells
P Tockhorn, J Sutter, A Cruz, P Wagner, K Jäger, D Yoo, F Lang, ...
Nature Nanotechnology 17 (11), 1214-1221, 2022
1882022
Proton Radiation Hardness of Perovskite Tandem Photovoltaics
F Lang, M Jošt, K Frohna, E Köhnen, A Al-Ashouri, AR Bowman, ...
Joule, 2020
1272020
27.9% Efficient Monolithic Perovskite/Silicon Tandems on Industry Compatible Bottom Cells
E Köhnen, P Wagner, F Lang, A Cruz, B Li, M Roß, M Jošt, ...
Solar RRL, 2021
802021
Determining Structure‐Activity Relationships in Oxide Derived CuSn Catalysts During CO2 Electroreduction Using X‐Ray Spectroscopy
LC Pardo Pérez, A Arndt, S Stojkovikj, IY Ahmet, JT Arens, F Dattila, ...
Advanced Energy Materials 12 (5), 2103328, 2022
542022
Slot-Die Coated Triple-Halide Perovskites for Efficient and Scalable Perovskite/Silicon Tandem Solar Cells
K Xu, A Al-Ashouri, ZW Peng, E Köhnen, H Hempel, F Akhundova, ...
ACS energy letters 7 (10), 3600-3611, 2022
442022
Revealing Fundamental Efficiency Limits of Monolithic Perovskite/Silicon Tandem Photovoltaics through Subcell Characterization
F Lang, E Köhnen, J Warby, K Xu, M Grischek, P Wagner, D Neher, ...
ACS Energy Letters 6 (11), 3982-3991, 2021
272021
Subcell Operation and Long‐Term Stability Analysis of Perovskite‐Based Tandem Solar Cells Using a Bichromatic Light Emitting Diode Light Source
M Jošt, G Matič, E Köhnen, B Li, B Glažar, M Jankovec, S Albrecht, ...
Solar RRL 5 (8), 2100311, 2021
122021
Increasing the photo-generated current in solar cells with passivating contacts by reducing the poly-Si deposition temperature
B Min, MR Vogt, T Wietler, R Reineke-Koch, B Wolpensinger, E Köhnen, ...
AIP Conference Proceedings 1999 (1), 2018
102018
Minimizing Interfacial Recombination in 1.8 eV Triple‐Halide Perovskites for 27.5% Efficient All‐Perovskite Tandems
F Yang, P Tockhorn, A Musiienko, F Lang, D Menzel, R Macqueen, ...
Advanced Materials 36 (6), 2307743, 2024
82024
Improving Monolithic Perovskite/Silicon Tandem Solar Cells From an Optical Viewpoint
K Jäger, M Jošt, J Sutter, P Tockhorn, E Köhnen, D Eisenhauer, P Manley, ...
Optical Devices and Materials for Solar Energy and Solid-state Lighting, PM4C. 2, 2019
32019
Highly efficient monolithic perovskite/CIGSe tandem solar cells on rough bottom cell surfaces
M Jošt, T Bertram, D Koushik, JA Marquez, MA Verheijen, MD Heinemann, ...
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), 0738-0742, 2019
32019
Bandgap Pairing in Three‐Terminal Tandem Solar Cells: From Limiting Efficiency to Voltage‐Matched Device Performance
P Wagner, P Tockhorn, L Zimmermann, E Köhnen, S Mariotti, F Scheler, ...
Solar RRL 8 (5), 2300963, 2024
22024
Monolithic Perovskite/Silicon Tandem Solar Cells on p-type POLO/PERC Silicon Bottom Cells
S Mariotti, K Jäger, M Diederich, MS Härtel, B Li, K Sveinbjörnsson, ...
2022 IEEE 49th Photovoltaics Specialists Conference (PVSC), 0529-0529, 2022
22022
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