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Upconversion and Downconversion Fluorescent Graphene Quantum Dots: Ultrasonic Preparation and Photocatalysis
Open accessAbstract
A facile ultrasonic route for the fabrication of graphene quantum dots (GQDs) with upconverted emission is presented. The as-prepared GQDs exhibit an excitation-independent downconversion and upconversion photoluminescent (PL) behavior, and the complex photocatalysts (rutile TiO(2)/GQD and anatase TiO(2)/GQD systems) were designed to harness the visible spectrum of sunlight. It is interesting that the photocatalytic rate of the rutile TiO(2)/GQD complex system is ca. 9 times larger than that of the anatase TiO(2)/GQD complex under visible light (λ > 420 nm) irradiation in the degradation of methylene blue.
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Cites
Graphene: Status and Prospects
Geim, A. K. (2009) · Science · doi:10.1126/science.1158877 · Cited by 13,942
Cited by
Glowing Graphene Quantum Dots and Carbon Dots: Properties, Syntheses, and Biological Applications
Zheng, X. T., Ananthanarayanan, A., Luo, K. Q., & Chen, P. (2015) · Small · doi:10.1002/smll.201402648 · Cited by 2,190
Georgakilas, V., Perman, J. A., Tucek, J., & Zboril, R. (2015) · Chemical Reviews · doi:10.1021/cr500304f · Cited by 2,147
An overview of nanoparticles commonly used in fluorescent bioimaging
Wolfbeis, O. S. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00392f · Cited by 1,631
Ming, H., Ma, Z., Liu, Y., Pan, K., Yu, H., Wang, F., & Kang, Z. (2012) · Dalton Transactions · doi:10.1039/c2dt30985h · Cited by 819
Zhang, X., Xie, H., Liu, Z., Tan, C., Luo, Z., Li, H., Lin, J., Sun, L., Chen, W., Xu, Z., et al. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201409400 · Cited by 710
Metadata
- Authors
- Zhuo, S., Shao, M., & Lee, S.-T.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-01-12
- Volume
- 6
- Issue
- 2
- Pages
- 1059-1064
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2018777756
- Cited by
- 1,017
- References
- 1
- FWCI
- 34.90
- Type
- journal article
- Language
- en
- Open access
- bronze
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