Optically Induced Charge Exchange in ZnO-Based Composite Structures with Embedded CsPbBr3 Nanocrystals
- Авторы: Drozdov K.1, Krylov I.1, Chizhov A.2, Rumyantseva M.2, Ryabova L.2, Khokhlov D.1
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Учреждения:
- Department of Physics Moscow State University
- Department of Chemistry Moscow State University
- Выпуск: Том 53, № 6 (2019)
- Страницы: 814-818
- Раздел: Microcrystalline, Nanocrystalline, Porous, and Composite Semiconductors
- URL: https://journals.rcsi.science/1063-7826/article/view/206353
- DOI: https://doi.org/10.1134/S1063782619060058
- ID: 206353
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Аннотация
The introduction of CsPbBr3 nanocrystals into a porous ZnO matrix leads to the appearance of a photoconductivity response in the visible spectral range. Measurement of the spectral dependences of the absorption, photoluminescence (PL), and photoconductivity showed that the shape and position of the PL peak are associated with defects in CsPbBr3. Analysis of the photoconductivity relaxation kinetics shows the possibility of accelerating the recombination of photoexcited charge carriers by more than an order of magnitude. The mechanisms responsible for this effect are discussed.
Об авторах
K. Drozdov
Department of Physics Moscow State University
Email: khokhlov@mig.phys.msu.ru
Россия, Moscow, 119991
I. Krylov
Department of Physics Moscow State University
Email: khokhlov@mig.phys.msu.ru
Россия, Moscow, 119991
A. Chizhov
Department of Chemistry Moscow State University
Email: khokhlov@mig.phys.msu.ru
Россия, Moscow, 119991
M. Rumyantseva
Department of Chemistry Moscow State University
Email: khokhlov@mig.phys.msu.ru
Россия, Moscow, 119991
L. Ryabova
Department of Chemistry Moscow State University
Email: khokhlov@mig.phys.msu.ru
Россия, Moscow, 119991
D. Khokhlov
Department of Physics Moscow State University
Автор, ответственный за переписку.
Email: khokhlov@mig.phys.msu.ru
Россия, Moscow, 119991