期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 12, 期 3, 页码 2924-2928出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2012.5698
关键词
Graphene Oxide; Quantum Dots; Fluorescence; Cytotoxicity; Bioimaging
类别
资金
- National Natural Science Foundation of China [21073224]
- National Basic Research Program of China [2010CB933504]
- Chinese Academy of Sciences [KJCX2.YW.M12]
- State Key Laboratory of Bioelectronics, Southeast University
In this communication, preparation of graphene quantum dots (GQDs) with size about 10 nm by vigorous oxidation of graphite is reported. Thus obtained GQDs exhibit good physiological solubility, high photostability, low cytotoxicity, and yellow-green fluorescence with quantum yield about 7%. Furthermore, the feasibility of the GQDs for cell imaging application is demosntrated.
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