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Start Over Author "Amrita Dey" Journal nature communications
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1. Coherent vibrational dynamics reveals lattice anharmonicity in organic–inorganic halide perovskite nanocrystals

Author

Tushar Debnath, Debalaya Sarker, He Huang, Zhong-Kang Han, Amrita Dey, Lakshminarayana Polavarapu, Sergey V. Levchenko, and Jochen Feldmann

Subjects
Science
Abstract

Using a combination of femtosecond pump-probe spectroscopy and first-principles calculations, Debnath et al. elucidated the halide-dependence of the excited state vibrational coherences in hybrid organic-inorganic perovskite nanocrystals. The study revealed an intrinsic anharmonicity of lead-halide framework, which correlates with perovskite stability and is influenced by the interaction between the framework and the organic molecules.

Published
2021
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