2020

Hellmann, Tim ; Das, Chittaranjan ; Abzieher, Tobias ; Schwenzer, Jonas A. ; Wussler, Michael ; Dachauer, Ralph ; Paetzold, Ulrich W. ; Jaegermann, Wolfram ; Mayer, Thomas (2020):
The Electronic Structure of MAPI‐Based Perovskite Solar Cells: Detailed Band Diagram Determination by Photoemission Spectroscopy Comparing Classical and Inverted Device Stacks.
In: Advanced Energy Materials, p. 2002129. ISSN 1614-6832,
DOI: 10.1002/aenm.202002129,
[Article]

Das, Chittaranjan ; Wussler, Michael ; Hellmann, Tim ; Mayer, Thomas ; Zimmermann, Iwan ; Maheu, Clément ; Nazeeruddin, Mohammad Khaja ; Jaegermann, Wolfram (2020):
Surface, Interface, and Bulk Electronic and Chemical Properties of Complete Perovskite Solar Cells: Tapered Cross-Section Photoelectron Spectroscopy, a Novel Solution.
In: ACS Applied Materials & Interfaces, 12 (36), pp. 40949-40957. ISSN 1944-8244,
DOI: 10.1021/acsami.0c11484,
[Article]

Wussler, Michael ; Mayer, Thomas ; Das, Chittaranjan ; Mankel, Eric ; Hellmann, Tim ; Prabowo, Chandra ; Zimmermann, Iwan ; Nazeeruddin, Mohammad Khaja ; Jaegermann, Wolfram (2020):
Tapered Cross‐Section Photoelectron Spectroscopy of State‐of‐the‐Art Mixed Ion Perovskite Solar Cells: Band Bending Profile in the Dark, Photopotential Profile Under Open Circuit Illumination, and Band Diagram.
In: Advanced Functional Materials, 30 (27), p. 1910679. ISSN 1616-301X,
DOI: 10.1002/adfm.201910679,
[Article]

2019

Hellmann, Tim ; Wussler, Michael ; Das, Chittaranjan ; Dachauer, Ralph ; El-Helaly, Islam ; Mortan, Claudiu ; Mayer, Thomas ; Jaegermann, Wolfram (2019):
The difference in electronic structure of MAPI and MASI perovskites and its effect on the interface alignment to the HTMs spiro-MeOTAD and CuI.
In: Journal of Materials Chemistry C, 7 (18), pp. 5324-5332. ISSN 2050-7526,
DOI: 10.1039/C8TC06332J,
[Article]

2018

Das, C. ; Wussler, Michael ; Hellmann, Tim ; Mayer, T. ; Jaegermann, W. (2018):
In situ XPS study of the surface chemistry of MAPI solar cells under operating conditions in vacuum.
In: Physical Chemistry Chemical Physics, 20 (25), pp. 17180-17187. ISSN 1463-9076,
DOI: 10.1039/C8CP01259H,
[Article]

Aygüler, Meltem F. ; Hufnagel, Alexander G. ; Rieder, Philipp ; Wussler, Michael ; Jaegermann, Wolfram ; Bein, Thomas ; Dyakonov, Vladimir ; Petrus, Michiel L. ; Baumann, Andreas ; Docampo, Pablo (2018):
Influence of Fermi Level Alignment with Tin Oxide on the Hysteresis of Perovskite Solar Cells.
In: ACS Applied Materials & Interfaces, 10 (14), pp. 11414-11419. ISSN 1944-8244,
DOI: 10.1021/acsami.8b00990,
[Article]

2016

Dimesso, Lucangelo ; Wussler, Michael ; Mayer, Thomas ; Mankel, Eric ; Jaegermann, Wolfram (2016):
Inorganic alkali lead iodide semiconducting APbI₃ (A = Li, Na, K, Cs) and NH₄PbI₃ films prepared from solution: Structure, morphology, and electronic structure.
In: AIMS Materials Science, 3 (3), pp. 737-755. ISSN 2372-0484,
[Article]