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Issue 3, 2014
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Nitrogen-doped, carbon-rich, highly photoluminescent carbon dots from ammonium citrate

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Abstract

The synthesis of water-soluble nitrogen-doped carbon dots has received great attention, due to their wide applications in oxygen reduction reaction, cell imaging, sensors, and drug delivery. Herein, nitrogen-doped, carbon-rich, highly photoluminescent carbon dots have been synthesized for the first time from ammonium citrate under hydrothermal conditions. The obtained nitrogen-doped carbon dots possess bright blue luminescence, short fluorescence lifetime, pH-sensitivity and excellent stability at a high salt concentration. They have potential to be used for pH sensors, cell imaging, solar cells, and photocatalysis.

Graphical abstract: Nitrogen-doped, carbon-rich, highly photoluminescent carbon dots from ammonium citrate

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The article was received on 09 Oct 2013, accepted on 24 Nov 2013 and first published on 28 Nov 2013


Article type: Paper
DOI: 10.1039/C3NR05380F
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Citation: Nanoscale, 2014,6, 1890-1895
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    Nitrogen-doped, carbon-rich, highly photoluminescent carbon dots from ammonium citrate

    Z. Yang, M. Xu, Y. Liu, F. He, F. Gao, Y. Su, H. Wei and Y. Zhang, Nanoscale, 2014, 6, 1890
    DOI: 10.1039/C3NR05380F

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