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Updated: Jan 4, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
Published on: June 28, 2016
Contribution of electron-phonon coupling to the luminescence spectra of single colloidal quantum dots
Eduard A Podshivaylov1, Maria A Kniazeva1, Aleksei A Gorshelev2
1Lomonosov Moscow State University, 119991 Moscow, Russia.
Abstract:
Luminescence spectroscopy experiments were realized for single colloidal quantum dots CdSe/ZnS in a broad temperature range above room temperature in a nitrogen atmosphere. Broadening and shifts of spectra due to the temperature change as well as due to spectral diffusion processes were detected and analyzed. A linear correlation between the positions of maxima and the squared linewidths of the spectra was found. This dependence was explained by a model that takes into account the slow variation of the electron-phonon coupling strength.
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