Light-matter interactions in transition metal dichalcogenides and organohalide perovskites for photoabsorbers and solar cells

Anupama B. Kaul

doi:10.1117/12.2632647

3 October 2022 Light-matter interactions in transition metal dichalcogenides and organohalide perovskites for photoabsorbers and solar cells

Anupama B. Kaul

Author Affiliations +

Proceedings Volume 12200, Low-Dimensional Materials and Devices 2022; 1220003 (2022) https://doi.org/10.1117/12.2632647
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Two-dimensional (2D) van der Waals solids form a layered structure held together in the solid state through a weak van der Waals interaction out of plane, while the in-plane bonding is through the covalent interaction. In this work, we present our findings on two distinct classes of van der Waals solids, that based on in-organic transition metal dichalcogenides and the other based on a hybrid mixed organic-inorganic composition of 2D perovskites, specifically organo-halides (CH₃(CH₂)₃NH₃)₂(CH₃NH₃)_n-1Pb_nI_3n+1. In the former case, we will discuss the use of 2D tungsten diselenide (WSe₂) and how its light-matter interactions are influenced through the incorporation of organic zerodimensional (0D) on its surface. In the latter case, the optical properties of 2D solution processed Ruddlesden-Popper perovskites are presented towards bendable optoelectronics and the integration of a similar higher dimensional perovskite, methyl ammonium lead iodide (MAPbI₃), into solar cell photovoltaics platforms.

Conference Presentation

Citation Download Citation

Anupama B. Kaul "Light-matter interactions in transition metal dichalcogenides and organohalide perovskites for photoabsorbers and solar cells", Proc. SPIE 12200, Low-Dimensional Materials and Devices 2022, 1220003 (3 October 2022); https://doi.org/10.1117/12.2632647

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