S. G. Asadullayeva, Z. A. Jahangirli, M. A. Musayev, Q. Y. Eyyubov, A. S. Abiyev
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Abstract
This study presents investigation of the photoluminescence (PL) properties of ZnIn2S4 single crystals. The PL emission characteristics were performed across a temperature spectrum spanning from 5 to 300 K. The PL emission maxima were observed in the infrared region at a wavelength of 725 nm (1.71 eV). At lower temperatures, this peak undergoes a blue shift, moving towards higher energies. At 5 K, the peak shifted by 40 nm, being observed at 685 nm (1.81 eV). At ambient temperature, the photoluminescence excitation (PLE) analysis of ZnIn2S4 revealed distinct spectral maxima at 2.75 eV (450 nm) and 2.33 eV (530 nm), corresponding to electronic transitions from the valence band to the conduction band, and from defect states to the conduction band, respectively.
期刊介绍：
Presents the latest results from Russia’s leading researchers in condensed matter physics at the Russian Academy of Sciences and other prestigious institutions. Covers all areas of solid state physics including solid state optics, solid state acoustics, electronic and vibrational spectra, phase transitions, ferroelectricity, magnetism, and superconductivity. Also presents review papers on the most important problems in solid state physics.
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