Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4750065
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Funding
- State Key Program for Basic Research [2012CB932304, 2010CB923402]
- NSFC [51072079]
- Scientific Research Foundation of Graduate School of Nanjing University of China [2012cl05]
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A hydrothermal approach was developed for the synthesis of N-doped graphene quantum dots (N-GQDs) by cutting N-doped graphene. The N-GQDs obtained have a N/C atomic ratio of ca. 5.6% and diameter of 1-7 nm. The photoluminescence (PL) properties of the N-GQDs were investigated. It was found that the N-GQDs possess bright blue PL and excellent upconversion PL properties. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4750065]
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