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, 10 (42)
doi: 10.1002/aenm.202002129
Artikel, Bibliographie

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)
doi: 10.1021/acsami.0c11484
Artikel, Bibliographie

Das, Chittaranjan ; Kot, Malgorzata ; Hellmann, Tim ; Wittich, Carolin ; Mankel, Eric ; Zimmermann, Iwan ; Schmeisser, Dieter ; Khaja Nazeeruddin, Mohammad ; Jaegermann, Wolfram (2020)
Atomic Layer-Deposited Aluminum Oxide Hinders Iodide Migration and Stabilizes Perovskite Solar Cells.
In: Cell Reports Physical Science, 1 (7)
doi: 10.1016/j.xcrp.2020.100112
Artikel, Bibliographie

Kumar, Sandeep ; Dagli, Daghan ; Dehm, Simone ; Das, Chittaranjan ; Wei, Li ; Chen, Yuan ; Hennrich, Frank ; Krupke, Ralph (2020)
Vanishing Hysteresis in Carbon Nanotube Transistors Embedded in Boron Nitride/Polytetrafluoroethylene Heterolayers.
In: Physica status solidi (RRL) - Rapid research letters, 14 (8)
doi: 10.1002/pssr.202000193
Artikel, Bibliographie

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)
doi: 10.1002/adfm.201910679
Artikel, Bibliographie

Chakraborty, Biswarup ; Kalra, Shweta ; Beltrán‐Suito, Rodrigo ; Das, Chittaranjan ; Hellmann, Tim ; Menezes, Prashanth W. ; Driess, Matthias (2020)
A Low‐Temperature Molecular Precursor Approach to Copper‐Based Nano‐Sized Digenite Mineral for Efficient Electrocatalytic Oxygen Evolution Reaction.
In: Chemistry – An Asian Journal, 15 (6)
doi: 10.1002/asia.202000022
Artikel, Bibliographie

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)
doi: 10.1039/C8TC06332J
Artikel, Bibliographie

2018

Dimesso, Lucangelo ; Das, Chittaranjan ; Mayer, Thomas ; Jaegermann, Wolfram (2018)
Investigation of earth-alkaline (EA = Mg, Ca, Sr) containing methylammonium tin iodide perovskite systems.
In: Journal of Materials Science, 53 (1)
doi: 10.1007/s10853-017-1545-0
Artikel, Bibliographie

2017

Dimesso, Lucangelo ; Stöhr, Maximilian ; Das, Chittaranjan ; Mayer, Thomas ; Jaegermann, Wolfram (2017)
Investigation on the properties of hybrid CH3NH3SnxI3 (0.9 ≤ x ≤ 1.4) perovskite systems.
In: Journal of Materials Research, 32 (22)
doi: 10.1557/jmr.2017.418
Artikel, Bibliographie