Realization of the Photostable Intrinsic Core Emission from Carbon Dots through Surface Deoxidation by Ultraviolet Irradiation.
Тип публикации: Journal Article
Дата публикации: 2019-05-22
scimago Q1
wos Q1
БС1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
31117675
Physical and Theoretical Chemistry
General Materials Science
Краткое описание
It is of a primary importance to realize the intrinsic emission from the inner carbogenic cores of carbon dots (CDs). In this work, CDs with three emission centers were synthesized by a microwave-assisted method using phloroglucinol as a precursor. The emission of these three centers has been identified as originating from molecular fluorophores, surface states of CDs, and the intrinsic CD core state. The emission from molecular fluorophores and from the surface state of CDs exhibited a weak photostability and could be photobleached as a result of UV laser irradiation. The emission from the intrinsic state of the inner carbogenic core has been found to be stable against photobleaching. On the basis of this difference in photostability, we demonstrate how the surface of CDs can be deoxidized under prolonged UV irradiation, resulting in a narrow intrinsic emission with a photoluminescence quantum yield of 17%.
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Sun M. et al. Realization of the Photostable Intrinsic Core Emission from Carbon Dots through Surface Deoxidation by Ultraviolet Irradiation. // Journal of Physical Chemistry Letters. 2019. Vol. 10. No. 11. pp. 3094-3100.
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Sun M., Liang C., Tian Z., Ushakova E. V., Li D., Xing G., Qu S., Rogach A. L. Realization of the Photostable Intrinsic Core Emission from Carbon Dots through Surface Deoxidation by Ultraviolet Irradiation. // Journal of Physical Chemistry Letters. 2019. Vol. 10. No. 11. pp. 3094-3100.
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TY - JOUR
DO - 10.1021/acs.jpclett.9b00842
UR - https://doi.org/10.1021/acs.jpclett.9b00842
TI - Realization of the Photostable Intrinsic Core Emission from Carbon Dots through Surface Deoxidation by Ultraviolet Irradiation.
T2 - Journal of Physical Chemistry Letters
AU - Sun, Minghong
AU - Liang, Chao
AU - Tian, Zhen
AU - Ushakova, Elena V.
AU - Li, Di
AU - Xing, Guichuan
AU - Qu, Songnan
AU - Rogach, Andrey L.
PY - 2019
DA - 2019/05/22
PB - American Chemical Society (ACS)
SP - 3094-3100
IS - 11
VL - 10
PMID - 31117675
SN - 1948-7185
ER -
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@article{2019_Sun,
author = {Minghong Sun and Chao Liang and Zhen Tian and Elena V. Ushakova and Di Li and Guichuan Xing and Songnan Qu and Andrey L. Rogach},
title = {Realization of the Photostable Intrinsic Core Emission from Carbon Dots through Surface Deoxidation by Ultraviolet Irradiation.},
journal = {Journal of Physical Chemistry Letters},
year = {2019},
volume = {10},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acs.jpclett.9b00842},
number = {11},
pages = {3094--3100},
doi = {10.1021/acs.jpclett.9b00842}
}
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Sun, Minghong, et al. “Realization of the Photostable Intrinsic Core Emission from Carbon Dots through Surface Deoxidation by Ultraviolet Irradiation..” Journal of Physical Chemistry Letters, vol. 10, no. 11, May. 2019, pp. 3094-3100. https://doi.org/10.1021/acs.jpclett.9b00842.
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