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Issue 26, 2015
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Nitrogen self-doped graphitic carbon nitride as efficient visible light photocatalyst for hydrogen evolution

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Abstract

Nitrogen self-doped graphitic carbon nitride (C3N4+x) was successfully synthesized by the co-thermal condensation of the precursor with a nitrogen-rich additive. The resultant self-doped semiconductor was characterized by X-ray photoelectron spectroscopy (XPS), which indicated that the nitrogen atom substituted the sp2 carbon atom. The photocatalytic hydrogen evolution was systematically evaluated under visible light irradiation (λ > 400 nm). The average hydrogen evolution rate for C3N4+x was 1.8 times higher than that of pristine graphitic carbon nitride, and the superiority lay in greatly improved optical, emission and electronic properties of the nitrogen modified carbon nitride. This study filled the research gap of self-doping for 2D polymeric carbon nitride and will stimulate intensive investigations in the further improvement of photocatalytic hydrogen evolution.

Graphical abstract: Nitrogen self-doped graphitic carbon nitride as efficient visible light photocatalyst for hydrogen evolution

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Publication details

The article was received on 28 Mar 2015, accepted on 22 May 2015 and first published on 22 May 2015


Article type: Paper
DOI: 10.1039/C5TA02257F
Citation: J. Mater. Chem. A, 2015,3, 13819-13826
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    Nitrogen self-doped graphitic carbon nitride as efficient visible light photocatalyst for hydrogen evolution

    J. Fang, H. Fan, M. Li and C. Long, J. Mater. Chem. A, 2015, 3, 13819
    DOI: 10.1039/C5TA02257F

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