Coherent phonon-induced modulation of charge transfer in two-dimensional hybrid perovskites

Dovletgeldi Seyitliyev; Kenan Gundogdu; Volker Blum; David B. Mitzi; Wei You; Svenja Janke; Manoj K. Jana; Xixi Qin

doi:10.1117/12.2633700

3 October 2022 Coherent phonon-induced modulation of charge transfer in two-dimensional hybrid perovskites

Dovletgeldi Seyitliyev, Kenan Gundogdu, Volker Blum, David B. Mitzi, Wei You, Svenja Janke, Manoj K. Jana, Xixi Qin

Proceedings Volume PC12228, Ultrafast Nonlinear Imaging and Spectroscopy X; PC1222805 (2022) https://doi.org/10.1117/12.2633700
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

Hybrid perovskites formed of both organic and inorganic materials in the same crystal unit provide new functionalities otherwise not possible in either organic and inorganic components alone. Due to the ionic nature of these materials, electrons and phonons are strongly coupled and coherent phonons could be excited with ultrashort laser pulses. In this study, using transient absorption spectroscopy measurements, we show that these coherent phonons could be used to manipulate charge transfer in a two-dimensional double perovskite. Findings of this study may serve as a new degree of freedom to consider when designing materials for optoelectronic applications where charge transfer kinetics are crucial.

Conference Presentation

Citation Download Citation

Dovletgeldi Seyitliyev, Kenan Gundogdu, Volker Blum, David B. Mitzi, Wei You, Svenja Janke, Manoj K. Jana, and Xixi Qin "Coherent phonon-induced modulation of charge transfer in two-dimensional hybrid perovskites", Proc. SPIE PC12228, Ultrafast Nonlinear Imaging and Spectroscopy X, PC1222805 (3 October 2022); https://doi.org/10.1117/12.2633700

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