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Quantum-dimensional near-surface recombination of photocarriers in CdTe microcrystals
- Authors: Selkin A.V.1, Yuldashev N.K.2
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Affiliations:
- Ioffe Physical-Technical Institute of the Russian Academy of Sciences
- Fergana Polytechnic Institute
- Issue: Vol 87, No 6 (2023)
- Pages: 879-884
- Section: Articles
- URL: https://rjsvd.com/0367-6765/article/view/654389
- DOI: https://doi.org/10.31857/S0367676523701521
- EDN: https://elibrary.ru/VMYLQK
- ID: 654389
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Abstract
The low-temperature (T = 2 K) photoluminescence spectra of a p-CdTe/n-CdS film heterostructure containing CdTe microcrystals have been studied. In the spectral region above the intrinsic absorption edge of bulk CdTe, a dominant “superhot” radiation band was found. The band arises because of optical transitions of electrons from near-surface levels of the spatial quantization of a microcrystal to the valence band states.
About the authors
A. V. Selkin
Ioffe Physical-Technical Institute of the Russian Academy of Sciences
Author for correspondence.
Email: alexander.selkin@mail.ioffe.ru
Russia, 194021, St. Petersburg
N. Kh. Yuldashev
Fergana Polytechnic Institute
Email: alexander.selkin@mail.ioffe.ru
Uzbekistan, 150107, Fergana
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