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Pis'ma v Zh. Èksper. Teoret. Fiz., 2018, Volume 107, Issue 4, Pages 227–231 (Mi jetpl5499)  

This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Thermally induced depolarization of the photoluminescence of carbon nanodots in a colloidal matrix

A. N. Starukhina, D. K. Nelsona, D. A. Kurdyukovba, D. A. Eurova, E. Yu. Stovpiagaa, V. G. Golubeva

a Ioffe Institute, Russian Academy of Sciences, St. Petersburg, Russia
b ITMO University, St. Petersburg, Russia

Abstract: The effect of temperature on fluorescence polarization in a colloidal system of carbon nanodots in glycerol under linearly polarized excitation is investigated for the first time. It is found that the experimentally obtained temperature dependence of the degree of linear polarization of fluorescence can be described by the Levshin–Perrin equation, taking into account the rotational diffusion of luminescent particles (fluorophores) in the liquid matrix. The fluorophore size determined in the context of the Levshin–Perrin model is significantly smaller than the size of carbon nanodots. This discrepancy gives evidence that small atomic groups responsible for nanodot luminescence are characterized by high segmental mobility with a large amplitude of motion with respect to the nanodot core.

Funding Agency Grant Number
Russian Foundation for Basic Research 16-03-00472_


DOI: https://doi.org/10.7868/S0370274X18040045

Full text: PDF file (229 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2018, 107:4, 223–227

Bibliographic databases:

Document Type: Article
Received: 19.12.2017

Citation: A. N. Starukhin, D. K. Nelson, D. A. Kurdyukov, D. A. Eurov, E. Yu. Stovpiaga, V. G. Golubev, “Thermally induced depolarization of the photoluminescence of carbon nanodots in a colloidal matrix”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:4 (2018), 227–231; JETP Letters, 107:4 (2018), 223–227

Citation in format AMSBIB
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\paper Thermally induced depolarization of the photoluminescence of carbon nanodots in a colloidal matrix
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2018
\vol 107
\issue 4
\pages 227--231
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\crossref{https://doi.org/10.7868/S0370274X18040045}
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\transl
\jour JETP Letters
\yr 2018
\vol 107
\issue 4
\pages 223--227
\crossref{https://doi.org/10.1134/S0021364018040124}
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\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85061989344}


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    This publication is cited in the following articles:
    1. Starukhin A.N., Nelson D.K., Kurdyukov D.A., Eurov D.A., Golubev V.G., “Temperature Quenching and Fluorescence Depolarization of Carbon Nanodots Obtained Via Paraffin Pyrolysis”, Phys. Solid State, 60:12 (2018), 2565–2570  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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