期刊
APPLIED PHYSICS LETTERS
卷 102, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4774264
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资金
- State Key Program for Basic Research, P. R. China [2012CB932304, 2010CB923402]
Fluorinated graphene quantum dots (F-GQDs) were synthesized by cutting fluorinated graphene through a hydrothermal approach. The F-GQDs with oxygen-rich functional groups have a F/C atomic ratio of ca. 23.68% and diameter of 1-7 nm. The photoluminescence (PL) properties of the F-GQDs were investigated. The results showed that besides exhibiting bright blue PL, the F-GQDs display a clear upconversion PL. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4774264]
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