Sascha Ullbrich
Sascha Ullbrich
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Intrinsic non-radiative voltage losses in fullerene-based organic solar cells
J Benduhn, K Tvingstedt, F Piersimoni, S Ullbrich, Y Fan, M Tropiano, ...
Nature Energy 2 (6), 1-6, 2017
Organic narrowband near-infrared photodetectors based on intermolecular charge-transfer absorption
B Siegmund, A Mischok, J Benduhn, O Zeika, S Ullbrich, F Nehm, ...
Nature communications 8 (1), 1-6, 2017
Polymer: fullerene bimolecular crystals for near‐infrared spectroscopic photodetectors
Z Tang, Z Ma, A Sánchez‐Díaz, S Ullbrich, Y Liu, B Siegmund, A Mischok, ...
Advanced Materials 29 (33), 1702184, 2017
Emissive and charge-generating donor–acceptor interfaces for organic optoelectronics with low voltage losses
S Ullbrich, J Benduhn, X Jia, VC Nikolis, K Tvingstedt, F Piersimoni, ...
Nature materials 18 (5), 459-464, 2019
Influence of side groups on the performance of infrared absorbing aza‐BODIPY organic solar cells
S Kraner, J Widmer, J Benduhn, E Hieckmann, T Jägeler‐Hoheisel, ...
physica status solidi (a) 212 (12), 2747-2753, 2015
Fast organic near-infrared photodetectors based on charge-transfer absorption
S Ullbrich, B Siegmund, A Mischok, A Hofacker, J Benduhn, D Spoltore, ...
The Journal of Physical Chemistry Letters 8 (22), 5621-5625, 2017
Hole transport in low-donor-content organic solar cells
D Spoltore, A Hofacker, J Benduhn, S Ullbrich, M Nyman, O Zeika, ...
The journal of physical chemistry letters 9 (18), 5496-5501, 2018
Organic cavity photodetectors based on nanometer-thick active layers for tunable monochromatic spectral response
J Wang, S Ullbrich, JL Hou, D Spoltore, Q Wang, Z Ma, Z Tang, ...
ACS Photonics 6 (6), 1393-1399, 2019
Electrothermal feedback and absorption-induced open-circuit-voltage turnover in solar cells
S Ullbrich, A Fischer, Z Tang, J Ávila, HJ Bolink, S Reineke, K Vandewal
Physical Review Applied 9 (5), 051003, 2018
Stacked Dual‐Wavelength Near‐Infrared Organic Photodetectors
Y Wang, B Siegmund, Z Tang, Z Ma, J Kublitski, S Xing, VC Nikolis, ...
Advanced Optical Materials 9 (6), 2001784, 2021
Alkyl Branching Position in Diketopyrrolopyrrole Polymers: Interplay between Fibrillar Morphology and Crystallinity and Their Effect on Photogeneration and Recombination in …
R Shivhare, T Erdmann, U Hörmann, E Collado-Fregoso, S Zeiske, ...
Chemistry of Materials 30 (19), 6801-6809, 2018
Structural defects in donor-acceptor blends: influence on the performance of organic solar cells
N Sergeeva, S Ullbrich, A Hofacker, C Koerner, K Leo
Physical Review Applied 9 (2), 024039, 2018
On/off-ratio dependence of bulk hetero junction photodiodes and its impact on electro-optical properties
M Jahnel, M Thomschke, S Ullbrich, K Fehse, JD An, H Park, K Leo, C Im, ...
Microelectronic Engineering 152, 20-25, 2016
Donor-acceptor organic optoelectronics exhibiting both efficient emission and charge-generating properties
X Jia, S Ullbrich, J Benduhn, DF Spoltore, S Reineke, K Vandewal
Organic, Hybrid, and Perovskite Photovoltaics XXI 11474, 114741H, 2020
Novel Thin-Film Photovoltaics—Status and Perspectives
B Oesen, S Ullbrich, J Widmer, K Leo
Green Photonics and Electronics, 263-287, 2017
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