Analysis of the Temperature Dependence of the Exciton Luminescence Spectra of Cadmium Selenide Quantum Dots Grown in a Liquid Crystal Matrix


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The temperature dependences of the positions of maxima of exciton bands in the luminescence spectra of liquid crystal nanocomposites with CdSe quantum dots with sizes of 1.8 and 2.3 nm at T = 77–300 K have been analyzed. The analysis under the theoretical model taking into account the electron–phonon interaction inside quantum dots has made it possible to calculate the values of the Huang–Rhys factor and average phonon energy in nanocrystals under study.

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K. Magaryan

Moscow State Pedagogical University; Institute for Spectroscopy, Russian Academy of Sciences

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Email: ka.magaryan@mpgu.edu
俄罗斯联邦, Moscow, 119435; TroitskMoscow, 108840

K. Karimullin

Moscow State Pedagogical University; Institute for Spectroscopy, Russian Academy of Sciences

Email: ka.magaryan@mpgu.edu
俄罗斯联邦, Moscow, 119435; TroitskMoscow, 108840

I. Vasil’eva

Moscow State Pedagogical University

Email: ka.magaryan@mpgu.edu
俄罗斯联邦, Moscow, 119435

A. Naumov

Moscow State Pedagogical University; Institute for Spectroscopy, Russian Academy of Sciences

Email: ka.magaryan@mpgu.edu
俄罗斯联邦, Moscow, 119435; TroitskMoscow, 108840

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