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Bert Stegemann
Bert Stegemann
Professor of Photovoltaics, HTW Berlin - University of Applied Sciences
Dirección de correo verificada de htw-berlin.de
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20.8% Slot‐Die Coated MAPbI3 Perovskite Solar Cells by Optimal DMSO‐Content and Age of 2‐ME Based Precursor Inks
J Li, J Dagar, O Shargaieva, MA Flatken, H Köbler, M Fenske, C Schultz, ...
Advanced Energy Materials 11 (10), 2003460, 2021
1722021
Contact-area dependence of frictional forces: moving adsorbed antimony nanoparticles
C Ritter, M Heyde, B Stegemann, K Rademann, UD Schwarz
Physical Review B 71 (8), 085405, 2005
1162005
Zero-dimensional excitons in (Zn, Cd) Se quantum structures
M Lowisch, M Rabe, B Stegemann, F Henneberger, M Grundmann, ...
Physical Review B 54 (16), R11074, 1996
821996
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 13 (11), 13022-13033, 2021
742021
Crystallization of antimony nanoparticles: Pattern formation and fractal growth
B Stegemann, C Ritter, B Kaiser, K Rademann
The Journal of Physical Chemistry B 108 (38), 14292-14297, 2004
682004
Si/SiO2 multiple quantum wells for all silicon tandem cells: Conductivity and photocurrent measurements
R Rölver, B Berghoff, D Bätzner, B Spangenberg, H Kurz, M Schmidt, ...
Thin Solid Films 516 (20), 6763-6766, 2008
612008
Over 20% conversion efficiency on silicon heterojunction solar cells by IPA-free substrate texturization
J Kegel, H Angermann, U Stürzebecher, E Conrad, M Mews, L Korte, ...
Applied Surface Science 301, 56-62, 2014
602014
Ultra-thin silicon oxide layers on crystalline silicon wafers: Comparison of advanced oxidation techniques with respect to chemically abrupt SiO2/Si interfaces with low defect …
B Stegemann, KM Gad, P Balamou, D Sixtensson, D Vössing, ...
Applied Surface Science 395, 78-85, 2017
582017
Frictional duality of metallic nanoparticles: Influence of particle morphology, orientation, and air exposure
D Dietzel, T Mönninghoff, C Herding, M Feldmann, H Fuchs, ...
Physical Review B Condensed Matter And Materials Physics 82 (3), 035401, 2010
492010
Femtosecond-laser-activated fluorescence from silver oxide nanoparticles
T Gleitsmann, B Stegemann, TM Bernhardt
Applied physics letters 84 (20), 4050-4052, 2004
472004
Instabilities and pattern formation during the self-organized growth of nanoparticles on graphite
B Kaiser, B Stegemann, H Kaukel, K Rademann
Surface Science 496 (1-2), L18-L22, 2002
462002
Ablation mechanisms of nanosecond and picosecond laser scribing for metal halide perovskite module interconnection–An experimental and numerical analysis
C Schultz, M Fenske, J Dagar, A Zeiser, A Bartelt, R Schlatmann, E Unger, ...
Solar Energy 198, 410-418, 2020
452020
Passivation of textured silicon wafers: influence of pyramid size distribution, a-Si: H deposition temperature, and post-treatment
B Stegemann, J Kegel, M Mews, E Conrad, L Korte, U Stürzebecher, ...
Energy Procedia 38, 881-889, 2013
412013
Bimodal distribution in the fragmentation behavior of small antimony clusters Sb x+(x= 3–12) scattered from a highly oriented pyrolitic graphite surface
B Kaiser, TM Bernhardt, B Stegemann, J Opitz, K Rademann
Physical review letters 83 (15), 2918, 1999
411999
Crystalline structures of Sb4 molecules in antimony thin films
TM Bernhardt, B Stegemann, B Kaiser, K Rademann
Angewandte Chemie International Edition 42 (2), 199-202, 2003
382003
IPA-free texturization of n-type Si wafers: Correlation of optical, electronic and morphological surface properties
J Kegel, H Angermann, U Stürzebecher, B Stegemann
Energy Procedia 38, 833-842, 2013
372013
Spherical AFM probes for adhesion force measurements on metal single crystals
B Stegemann, H Backhaus, H Kloß, E Santner
modern research and educational topics in microscopy, Series 3, 820-827, 2007
332007
Ultrathin SiO2 layers on Si (111): preparation, interface gap states and the influence of passivation
B Stegemann, D Sixtensson, T Lußky, A Schoepke, I Didschuns, B Rech, ...
Nanotechnology 19 (42), 424020, 2008
322008
Characterization of the (0001) cleavage surface of antimony single crystals using scanning probe microscopy: Atomic structure, vacancies, cleavage steps, and twinned interlayers
B Stegemann, C Ritter, B Kaiser, K Rademann
Physical Review B 69 (15), 155432, 2004
322004
Ink Design Enabling Slot‐Die Coated Perovskite Solar Cells with> 22% Power Conversion Efficiency, Micro‐Modules, and 1 Year of Outdoor Performance Evaluation
J Li, J Dagar, O Shargaieva, O Maus, M Remec, Q Emery, M Khenkin, ...
Advanced Energy Materials 13 (33), 2203898, 2023
302023
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