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- W4312547822 abstract "The optical properties of Cu2O nanowhiskers grown by the liquid method with material deposition in an electric field have been studied. The spectral lines forbidden by the selection rules for perfect Cu2O crystals were found in the Raman spectra. The nature of related phonon states is analyzed. In the photoluminescence spectra in the red and near-IR regions, broad bands of defective origin are observed. It was found that the presence of a band at 650 nm (1.9 eV) is a specific feature of the photoluminescence of nanowhiskers. Its properties are studied and possible radiation mechanisms are discussed. In the intrinsic absorption region of nanowhiskers, the photoluminescence band at 572 nm (2.17 eV) associated with band−band transitions is detected. At a low excitation level, the emission of a free exciton n = 1 of the yellow exciton series is observed with simultaneous emission of an optical phonon." @default.
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- W4312547822 date "2022-01-01" @default.
- W4312547822 modified "2023-09-26" @default.
- W4312547822 title "Оптические свойства нановискеров Cu-=SUB=-2-=/SUB=-O" @default.
- W4312547822 doi "https://doi.org/10.21883/ftp.2022.11.54258.4272" @default.
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