Publication: Effect of Nanocrystal Size on Anti-Stokes Photoluminescence in Lead Halide Perovskites
Дата
2021
Авторы
Sekerbayev, K. S.
Yakunin, V. G.
Taurbayev, Y. T.
Shabdan, Y.
Mussabek, G. K.
Pokryshkin, N. S.
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Аннотация
© 2021, Pleiades Publishing, Inc.We report size-dependent anti-Stokes photoluminescence (ASPL) of methylammonium lead bromide (MALB) perovskite nanocrystals (NCs) under resonant laser excitation. The ASPL efficiency was found to be stronger for a sample with 6 nm sized MALB NCs. The effect is explained by the electron-phonon interaction, which results in simultaneous photon-phonon absorption followed by the radiative recombination through excitonic states in MALB NCs. The obtained results can be useful for potential application of MALB NCs in optical cooling.
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Цитирование
Effect of Nanocrystal Size on Anti-Stokes Photoluminescence in Lead Halide Perovskites / Sekerbayev, K.S. [et al.] // JETP Letters. - 2021. - 10.1134/S0021364021200029
URI
https://www.doi.org/10.1134/S0021364021200029
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https://openrepository.mephi.ru/handle/123456789/24796