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Optics and Spectroscopy, 2022, Volume 130, Issue 1, Pages 146–150
DOI: https://doi.org/10.21883/OS.2022.01.51902.42-21 (Mi os1652) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Materials of the International Seminar of the Institute of Spectroscopy of the Russian Academy of Sciences (ISAN), dedicated to the anniversary of Professor M.N. Popova
Spectroscopy of condensed state

Electron-phonon interaction in composites with colloidal quantum dots: a study by luminescence spectroscopy and Raman scattering

K. R. Karimullinabc, A. I. Arzhanovab, N. V. Surovtsevd, A. V. Naumovabc

a Institute of Spectroscopy, Russian Academy of Sciences, 108840 Troitsk, Moscow, Russia
b Moscow State Pedagogical University, 119435 Moscow, Russia
c Lebedev Physical Institute, Russian Academy of Sciences, Troitsk Separate Subdivision, including "Troitsky Technopark LPI RAS", 108840 Troitsk, Moscow, Russia
d Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia
Full-text PDF (367 kB) Citations (1)
DOI: https://doi.org/10.21883/OS.2022.01.51902.42-21
Abstract: The temperature-dependent luminescence spectra were analyzed to determine the parameters of the electron-phonon interaction (Huang-Rhys factor and the average phonon energy) for nanocomposites with colloidal CdSe/CdS/ZnS quantum dots (deposited on the surface of a glass substrate and embedded in a thin polymer film of polyisobutylene, and in a frozen colloidal solution in toluene). The measured values of the parameters are analyzed in comparison with model calculations and data obtained using the low-frequency Raman spectroscopy. It is found that in the case of a vitrified colloidal solution of quantum dots in toluene, the matrix effect leads to a noticeable change in the parameters of the electron-phonon interaction.
Keywords: quantum dot, nanocomposite, polymer, phonon, electron-phonon interaction.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation AAAA-A20-120061890084-9
The study was carried out within the framework of the state task of the Moscow Pedagogical State University “Physics of nanostructured materials: fundamental research and applications in materials science, nanotechnologies and photonics” with the support of the Ministry of Education of the Russian Federation (state registration number: AAAA-A20-120061890084-9). The development of experimental method for photon echo spectroscopy was carried out within the framework of the state task of the Institute of Spectroscopy of the Russian Academy of Sciences. The development of experimental method for high-resolution luminescence microscopy was carried out within the frame-work of the state task of Lebedev Physical Institute of the Russian Academy of Sciences.
Received: 20.08.2021
Revised: 06.09.2021
Accepted: 14.09.2021
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: K. R. Karimullin, A. I. Arzhanov, N. V. Surovtsev, A. V. Naumov, “Electron-phonon interaction in composites with colloidal quantum dots: a study by luminescence spectroscopy and Raman scattering”, Optics and Spectroscopy, 130:1 (2022), 146–150
Citation in format AMSBIB
\Bibitem{KarArzSur22}
\by K.~R.~Karimullin, A.~I.~Arzhanov, N.~V.~Surovtsev, A.~V.~Naumov
\paper Electron-phonon interaction in composites with colloidal quantum dots: a study by luminescence spectroscopy and Raman scattering
\jour Optics and Spectroscopy
\yr 2022
\vol 130
\issue 1
\pages 146--150
\mathnet{http://mi.mathnet.ru/os1652}
\crossref{https://doi.org/10.21883/OS.2022.01.51902.42-21}
\elib{https://elibrary.ru/item.asp?id=48001481}
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