期刊
CHEMICAL COMMUNICATIONS
卷 47, 期 9, 页码 2580-2582出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc04812g
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资金
- National Natural Science Foundation of China [20925621, 20976054]
- Key Project of Science and Technology for Ministry of Education [107045]
- Innovation Program of Shanghai Municipal Education Commission [09ZZ58]
- Program of Shanghai Subject Chief Scientist [08XD1401500]
- Shuguang Scholar-Tracking Foundation of Shanghai [08GG09]
- Fundamental Research Funds for the Central Universities
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0825]
A facile hydrazine hydrate reduction of graphene oxide (GO) with surface-passivated by a polyethylene glycol (PEG) method for the fabrication of graphene quantum dots (GQDs) with frequency upconverted emission is presented. And we speculate on the upconversion luminescence due to the anti-Stokes photoluminescence (ASPL), where the delta E between the pi and sigma orbitals is near 1.1 eV.
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