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Issue 1, 2013
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One-step preparation of nitrogen-doped graphenequantum dots from oxidized debris of graphene oxide

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Abstract

Highly blue-luminescent nitrogen-doped graphene quantum dots (N-GQDs) are obtained by hydrothermal treatment of graphene oxide in the presence of ammonia. The yield of N-GQDs is about 8.7% in weight. A high quantum yield of maximum 24.6% at an excitation wavelength of 340 nm is achieved. They are applied for bioimaging of HeLa cells, and showed bright luminescence and excellent biocompatibility.

Graphical abstract: One-step preparation of nitrogen-doped graphene quantum dots from oxidized debris of graphene oxide

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Supplementary files

Article information


Submitted
29 Sep 2012
Accepted
30 Oct 2012
First published
31 Oct 2012

J. Mater. Chem. B, 2013,1, 39-42
Article type
Communication

One-step preparation of nitrogen-doped graphene quantum dots from oxidized debris of graphene oxide

C. Hu, Y. Liu, Y. Yang, J. Cui, Z. Huang, Y. Wang, L. Yang, H. Wang, Y. Xiao and J. Rong, J. Mater. Chem. B, 2013, 1, 39 DOI: 10.1039/C2TB00189F

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