Lukas Kegelmann
Lukas Kegelmann
QYB Quantum Yield Berlin GmbH
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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
Monolithic perovskite/silicon-heterojunction tandem solar cells processed at low temperature
S Albrecht, M Saliba, JPC Baena, F Lang, L Kegelmann, M Mews, L Steier, ...
Energy & Environmental Science 9 (1), 81-88, 2016
The impact of energy alignment and interfacial recombination on the internal and external open-circuit voltage of perovskite solar cells
M Stolterfoht, P Caprioglio, CM Wolff, JA Márquez, J Nordmann, S Zhang, ...
Energy & Environmental Science 12 (9), 2778-2788, 2019
The impact of energy alignment and interfacial recombination on the open-circuit voltage of perovskite solar cells
M Stolterfoht, P Caprioglio, CM Wolff, JAM Prieto, J Nordmann, S Zhang, ...
Energy & Environmental Science, 2019
Monolithic perovskite tandem solar cells: A review of the present status and advanced characterization methods toward 30% efficiency
M Jošt, L Kegelmann, L Korte, S Albrecht
Advanced Energy Materials 10 (26), 1904102, 2020
Roadmap and roadblocks for the band gap tunability of metal halide perovskites
EL Unger, L Kegelmann, K Suchan, D Sörell, L Korte, S Albrecht
Journal of Materials Chemistry A, 2017
Highly Efficient Monolithic Perovskite Silicon Tandem Solar Cells: Analyzing the Influence of Current Mismatch on Device Performance
E Köhnen, M Jošt, AM Vilches, P Tockhorn, A Al-Ashouri, B Macco, ...
Sustainable Energy & Fuels, 2019
It Takes Two To Tango – Double-layer Selective Contacts in Perovskite Solar Cells for Improved Device Performance and Reduced Hysteresis
L Kegelmann, CM Wolff, CA Omondi, F Lang, EL Unger, L Korte, T Dittrich, ...
ACS Applied Materials & Interfaces, 2017
Efficient light management by textured nanoimprinted layers for perovskite solar cells
M Jošt, S Albrecht, L Kegelmann, CM Wolff, F Lang, B Lipovsek, J Krc, ...
ACS Photonics 4 (5), 1232-1239, 2017
Three-Terminal Perovskite/Silicon Tandem Solar Cells with Top and Interdigitated Rear Contacts
P Tockhorn, P Wagner, L Kegelmann, JC Stang, M Mews, S Albrecht, ...
ACS Applied Energy Materials 3 (2), 1381-1392, 2020
Compositional and Interfacial Engineering Yield High-Performance and Stable pin Perovskite Solar Cells and Mini-Modules
J Dagar, M Fenske, A Al-Ashouri, C Schultz, B Li, H Köbler, R Munir, ...
ACS Applied Materials & Interfaces, 2021
Determination of the complex refractive index and optical bandgap of CH3NH3PbI3 thin films
JA Guerra, A Tejada, L Korte, L Kegelmann, JA Töfflinger, S Albrecht, ...
Journal of Applied Physics 121 (17), 173104, 2017
Room temperature atomic layer deposited Al2O3 improves perovskite solar cells efficiency over time
M Kot, L Kegelmann, C Das, P Kus, N Tsud, I Matolinova, S Albrecht, ...
ChemSusChem 11, 3640, 2018
Mixtures of Dopant-Free Spiro-OMeTAD and Water-Free PEDOT as a Passivating Hole Contact in Perovskite Solar Cells
L Kegelmann, P Tockhorn, CM Wolff, JA Márquez, S Caicedo-Dávila, ...
ACS applied materials & interfaces 11 (9), 9172-9181, 2019
Improved Quantum Efficiency by Advanced Light Management in Nanotextured Solution-Processed Perovskite Solar Cells
P Tockhorn, J Sutter, R Colom, L Kegelmann, A Al-Ashouri, M Roß, ...
ACS Photonics 7 (9), 2589-2600, 2020
The perovskite/transport layer interfaces dominate non-radiative recombination in efficient perovskite solar cells
M Stolterfoht, P Caprioglio, CM Wolff, JA Márquez, J Nordmann, S Zhang, ...
arXiv preprint arXiv:1810.01333, 2018
In situ Near‐Ambient Pressure X‐ray Photoelectron Spectroscopy Reveals the Influence of Photon Flux and Water on the Stability of Halide Perovskite
M Kot, L Kegelmann, H Köbler, M Vorokhta, C Escudero, P Kúš, B Šmíd, ...
ChemSusChem 13 (21), 5722, 2020
Al2O3‐Atomic Layer Deposited Films on CH3NH3PbI3: Intrinsic Defects and Passivation Mechanisms
M Kot, K Henkel, K Müller, L Kegelmann, S Albrecht, N Tsud, P Kús, ...
Energy Technology 7 (11), 1900975, 2019
Transient Analysis during Maximum Power Point Tracking (TrAMPPT) to Assess Dynamic Response of Perovskite Solar Cells
A Czudek, K Hirselandt, L Kegelmann, A Al-Ashouri, M Jošt, W Zuo, ...
arXiv preprint arXiv:1906.05028, 2019
Point Defect-Mediated Interface Formation and Appearance of a Cooper Minimum for AlOx Atomic-Layer-Deposited Films on CH3NH3PbI3
D Schmeißer, K Henkel, E Pożarowska, L Kegelmann, N Tsud, M Kot
The Journal of Physical Chemistry C 123 (38), 23352-23360, 2019
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