The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Triplet States and Electronic Relaxation in Photoexcited Graphene Quantum Dots
Abstract
Electronic relaxation in photoexcited graphenes is central to their photoreactivity and their optoelectrical applications such as photodetectors and solar cells. Herein we report on the first ensemble studies of electronic energy relaxation pathways in colloidal graphene quantum dots with uniform size. We show that the photoexcited graphene quantum dots have a significant probability of relaxing into triplet states and emit both phosphorescence and fluorescence at room temperature, with relative intensities depending on the excitation energy. Because of the long lifetime and reactivity of triplet electronic states, our results could have significant implications for applications of graphenes.
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Citations
Cites
Graphene: Status and Prospects
Geim, A. K. (2009) · Science · doi:10.1126/science.1158877 · Cited by 13,942
Graphene photodetectors for high-speed optical communications
Mueller, T., Xia, F., & Avouris, P. (2010) · Nature Photonics · doi:10.1038/nphoton.2010.40 · Cited by 2,474
The Triplet State and Molecular Electronic Processes in Organic Molecules
Lower, S. K., & El-Sayed, M. A. (1966) · Chemical Reviews · doi:10.1021/cr60240a004 · Cited by 1,146
Cited by
Carbon dots—Emerging light emitters for bioimaging, cancer therapy and optoelectronics
Hola, K., Zhang, Y., Wang, Y., Giannelis, E. P., Zboril, R., & Rogach, A. L. (2014) · Nano Today · doi:10.1016/j.nantod.2014.09.004 · Cited by 992
Xiao, J., Liu, P., Wang, C. X., & Yang, G. W. (2017) · Progress in Materials Science · doi:10.1016/j.pmatsci.2017.02.004 · Cited by 352
Papadakis, R., Li, H., Bergman, J., Lundstedt, A., Jorner, K., Ayub, R., Haldar, S., Jahn, B. O., Denisova, A., Zietz, B., et al. (2016) · Nature Communications · doi:10.1038/ncomms12962 · Cited by 67
Metadata
- Authors
- Mueller, M. L., Yan, X., McGuire, J. A., & Li, L.-S.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-06-24
- Volume
- 10
- Issue
- 7
- Pages
- 2679-2682
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2065524197
- Cited by
- 292
- References
- 3
- FWCI
- 8.96
- Type
- journal article
- Language
- en
- Open access
- closed
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