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Issue 81, 2014
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Chaos to order: an eco-friendly way to synthesize graphene quantum dots

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Abstract

We developed a rapid, simple and pollution-free method to synthesize highly ordered graphene quantum dots (GQDs), which adopts cheap and readily available activated carbon and environmentally friendly hydrogen peroxide as raw materials through simple microwave and hydrothermal treatment, and the fine products are obtained as uniformly sized particles. The proposed strategy enables the difficult transformation from amorphous carbon to highly ordered GQDs for the first time while completely avoiding the use of concentrated sulphuric acid, concentrated nitric acid and other caustic reagents, and the purification procedure is relatively simple. Furthermore, the as-prepared products possess low toxicity, high biological compatibility and good fluorescence properties, which are excellent properties for bio-labelling applications.

Graphical abstract: Chaos to order: an eco-friendly way to synthesize graphene quantum dots

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Supplementary files

Article information


Submitted
07 Jul 2014
Accepted
11 Aug 2014
First published
11 Aug 2014

RSC Adv., 2014,4, 43160-43165
Article type
Paper
Author version available

Chaos to order: an eco-friendly way to synthesize graphene quantum dots

Y. Huang, C. Bai, K. Cao, Y. Tian, Y. Luo, C. Xia, S. Ding, Y. Jin, L. Ma and S. Li, RSC Adv., 2014, 4, 43160
DOI: 10.1039/C4RA06757F

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