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Optics and Spectroscopy, 2020, Volume 128, Issue 11, Pages 1767–1775
DOI: https://doi.org/10.21883/OS.2020.11.50183.198-20 (Mi os266) 		 
Nanophotonics

Photostability and photoinduced processes in CuInS$_{2}$/ZnS quantum dots and their hybrid structures with multilayer graphene nanoribbons

I. A. Reznika, D. A. Kurshanova, A. Yu. Dubavika, M. A. Baranova, S. A. Moshkalevb, A. O. Orlovaa, A. V. Baranova

a St. Petersburg National Research University of Information Technologies, Mechanics and Optics
b State University of Campinas (Unicamp), Campinas, Brazil
Full-text PDF (1104 kB)
DOI: https://doi.org/10.21883/OS.2020.11.50183.198-20
Abstract: The photostability of the luminescent properties of CuInS$_{2}$/ZnS quantum dots (CIS/ZnS QDs) as a monolayer on a dielectric substrate and as part of a hybrid structure with multilayer graphene nanoribbons (ML GNRs) has been studied. Analysis of the luminescence kinetics of quantum dots has revealed the presence of three main components of luminescence attenuation, characterized by times of the order of 20, 100, and 300 ns. It has been shown that the efficiency of the interaction between CIS/ZnS quantum dots and multilayer graphene nanoribbons has a dependence on the number of graphene monolayers similar to that of CdSe quantum dots. The photostability of CIS/ZnS QDs on a dielectric substrate and in structures with multilayer graphene nanoribbons has been estimated, which allowed us to estimate the energy/charge transfer rates from QDs to multilayer graphene nanoribbons as 10$^{6}$–10$^{7}$ s$^{-1}$.
Keywords: CuInS$_2$/ZnS quantum dots, multilayer graphene nanoribbons, defective luminescence, energy/charge transfer, photoinduced processes.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 14.587.21.0047
This work was supported by the Federal Target Program for Research and Development of the Ministry of Science and Higher Education of the Russian Federation, grant no. 14.587.21.0047 (ID RFMEFI58718X0047).
Received: 28.06.2020
Revised: 28.06.2020
Accepted: 16.07.2020
English version:
Optics and Spectroscopy, 2020, Volume 128, Issue 11, Pages 1901–1909
DOI: https://doi.org/10.1134/S0030400X20110223
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. A. Reznik, D. A. Kurshanov, A. Yu. Dubavik, M. A. Baranov, S. A. Moshkalev, A. O. Orlova, A. V. Baranov, “Photostability and photoinduced processes in CuInS$_{2}$/ZnS quantum dots and their hybrid structures with multilayer graphene nanoribbons”, Optics and Spectroscopy, 128:11 (2020), 1767–1775; Optics and Spectroscopy, 128:11 (2020), 1901–1909
Citation in format AMSBIB
\Bibitem{RezKurDub20}
\by I.~A.~Reznik, D.~A.~Kurshanov, A.~Yu.~Dubavik, M.~A.~Baranov, S.~A.~Moshkalev, A.~O.~Orlova, A.~V.~Baranov
\paper Photostability and photoinduced processes in CuInS$_{2}$/ZnS quantum dots and their hybrid structures with multilayer graphene nanoribbons
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 11
\pages 1767--1775
\mathnet{http://mi.mathnet.ru/os266}
\crossref{https://doi.org/10.21883/OS.2020.11.50183.198-20}
\elib{https://elibrary.ru/item.asp?id=44367756}
\transl
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 11
\pages 1901--1909
\crossref{https://doi.org/10.1134/S0030400X20110223}
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