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What is Raman and PL Spectra of CdSeTe QDs about?

This document analyzes the temperature dependence of Raman and photoluminescence spectra of ternary alloyed CdSe0.3Te0.7 quantum dots from 84 K to 293 K. The Raman spectra were used to determine the anharmonicity and analyze the temperature-dependent shift and broadening of phonon frequencies. The photoluminescence spectra showed that the bandgap, linewidth, and integrated intensity vary with temperature. At low temperatures below 120 K, the photoluminescence linewidth decreases and intensity increases, whi

Author

JananiBalakrishnan

Language

EN