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Issue 13, 2017
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One-step extraction of highly fluorescent carbon quantum dots by a physical method from carbon black

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Abstract

Herein, we introduced a kind of physical method using acetone to directly extract fluorescent carbon quantum dots (CQDs) from ordinary carbon black in one step. The as-extracted CQDs exhibited an excitation-dependent emission behavior and a high quantum yield of up to 19.01%. Moreover, we find that the polarity of the solvent will affect the size of CQDs for the first time.

Graphical abstract: One-step extraction of highly fluorescent carbon quantum dots by a physical method from carbon black

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Publication details

The article was received on 15 Mar 2017, accepted on 15 May 2017 and first published on 15 May 2017


Article type: Letter
DOI: 10.1039/C7NJ00858A
Citation: New J. Chem., 2017,41, 5267-5270
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    One-step extraction of highly fluorescent carbon quantum dots by a physical method from carbon black

    B. Han, M. Yu, T. Pen, Y. Li, X. Hu, R. Xiang, X. Hou and G. He, New J. Chem., 2017, 41, 5267
    DOI: 10.1039/C7NJ00858A

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