Nanoscale, volume 12, issue 2, pages 602-609
Influence of the solvent environment on luminescent centers within carbon dots.
Stepanidenko Evgeniia A.
1, 2, 3, 4
,
Arefina Irina A.
1, 2, 3, 4
,
Khavlyuk Pavel
1, 2, 3, 4
,
Dubavik Aliaksei
1, 2, 3, 4
,
Bogdanov K V
4
,
Bondarenko Daniil P.
1, 2, 3, 4
,
Kundelev Evgeny V.
4
,
Fedorov Anatoly V.
1, 2, 3, 4
,
Baranov Alexander E.
1, 2, 3, 4
,
Maslov Vladimir G.
1, 2, 3, 4
,
Ushakova Elena V.
1, 2, 3, 4, 5, 6, 7
,
Rogach Andrey L.
1, 2, 3, 4, 5, 6, 7
1
Center of Information Optical Technologies
2
Russia
|
5
Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR
|
6
Department of Materials Science and Engineering
7
and Centre for Functional Photonics (CFP)
Publication type: Journal Article
Publication date: 2020-01-01
General Materials Science
Abstract
Carbon dots (CDs) are luminescent nanomaterials, with potential use in bioimaging and sensorics. Here, the influence of the surrounding solvent media on the optical properties of CDs synthesized from the most commonly employed precursors, namely citric acid and ethylenediamine, is investigated. The position of optical transitions of CDs can be tuned by the change of pH and solvent polarity. The most striking observation is related to the interaction of CDs with chlorine containing solvents, which results in resolving a set of narrow peaks within both the absorption and PL bands, similar to those observed for polycyclic aromatic hydrocarbons or organic dyes. We assume that the chlorine containing molecules penetrate the surface layers of CDs, which results in an increase of the distance between the luminescent centers; this correlates well with an enhanced D-band in their Raman spectra. A model of CDs composed of a matrix of hydrogenated amorphous carbon with the inclusions of sp2-domains formed by polycyclic aromatic hydrocarbons and their derivatives is suggested; the latter are stacked ensembles of the luminophores and are considered as the origin of the emission of CDs.
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1 publication, 2.13%
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1 publication, 2.13%
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1 publication, 2.13%
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1
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3
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Citations by publishers
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8
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12
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6 publications, 12.77%
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6 publications, 12.77%
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4 publications, 8.51%
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1 publication, 2.13%
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American Institute of Physics (AIP)
1 publication, 2.13%
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Trans Tech Publications
|
Trans Tech Publications
1 publication, 2.13%
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2
4
6
8
10
12
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Stepanidenko E. A. et al. Influence of the solvent environment on luminescent centers within carbon dots. // Nanoscale. 2020. Vol. 12. No. 2. pp. 602-609.
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Stepanidenko E. A., Arefina I. A., Khavlyuk P., Dubavik A., Bogdanov K. V., Bondarenko D. P., Cherevkov S. A., Kundelev E. V., Fedorov A. V., Baranov A. E., Maslov V. G., Ushakova E. V., Rogach A. L. Influence of the solvent environment on luminescent centers within carbon dots. // Nanoscale. 2020. Vol. 12. No. 2. pp. 602-609.
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TY - JOUR
DO - 10.1039/C9NR08663C
UR - https://doi.org/10.1039%2FC9NR08663C
TI - Influence of the solvent environment on luminescent centers within carbon dots.
T2 - Nanoscale
AU - Stepanidenko, Evgeniia A.
AU - Arefina, Irina A.
AU - Khavlyuk, Pavel
AU - Dubavik, Aliaksei
AU - Bondarenko, Daniil P.
AU - Fedorov, Anatoly V.
AU - Baranov, Alexander E.
AU - Maslov, Vladimir G.
AU - Ushakova, Elena V.
AU - Rogach, Andrey L.
AU - Bogdanov, K V
AU - Cherevkov, Sergei A.
AU - Kundelev, Evgeny V.
PY - 2020
DA - 2020/01/01 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 602-609
IS - 2
VL - 12
SN - 2040-3364
SN - 2040-3372
ER -
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@article{2020_Stepanidenko,
author = {Evgeniia A. Stepanidenko and Irina A. Arefina and Pavel Khavlyuk and Aliaksei Dubavik and Daniil P. Bondarenko and Anatoly V. Fedorov and Alexander E. Baranov and Vladimir G. Maslov and Elena V. Ushakova and Andrey L. Rogach and K V Bogdanov and Sergei A. Cherevkov and Evgeny V. Kundelev},
title = {Influence of the solvent environment on luminescent centers within carbon dots.},
journal = {Nanoscale},
year = {2020},
volume = {12},
publisher = {Royal Society of Chemistry (RSC)},
month = {jan},
url = {https://doi.org/10.1039%2FC9NR08663C},
number = {2},
pages = {602--609},
doi = {10.1039/C9NR08663C}
}
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MLA
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Stepanidenko, Evgeniia A., et al. “Influence of the solvent environment on luminescent centers within carbon dots..” Nanoscale, vol. 12, no. 2, Jan. 2020, pp. 602-609. https://doi.org/10.1039%2FC9NR08663C.