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Issue 6, 2017
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Emerging investigators series: advances and challenges of graphitic carbon nitride as a visible-light-responsive photocatalyst for sustainable water purification

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Abstract

Graphitic carbon nitride (g-C3N4) is an emerging visible-light-responsive photocatalyst that has been explored since 2009. This photocatalyst has highly tailorable structures and properties that enable potential utilization of a large portion of solar energy. This material is also synthesized from earth-abundant precursors, is chemically and thermally stable, and is biocompatible with no reported toxicity to date. The merits and pioneering performance evaluation of g-C3N4 indicate that this photocatalyst holds promise for the degradation of persistent and emerging contaminants, including chemicals and pathogens, for sustainable water purification with reduced energy and chemical footprint. In this perspective, we propose and answer five questions that are most relevant to the development and application of g-C3N4 for photocatalytic water purification, including both benefits and current barriers, from molecular-scale mechanistic understanding of g-C3N4 properties and photocatalytic performance to industrial-scale photoreactor design for g-C3N4 implementation in practice.

Graphical abstract: Emerging investigators series: advances and challenges of graphitic carbon nitride as a visible-light-responsive photocatalyst for sustainable water purification

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The article was received on 19 May 2017, accepted on 25 Jul 2017 and first published on 11 Aug 2017


Article type: Perspective
DOI: 10.1039/C7EW00159B
Citation: Environ. Sci.: Water Res. Technol., 2017,3, 982-1001
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    Emerging investigators series: advances and challenges of graphitic carbon nitride as a visible-light-responsive photocatalyst for sustainable water purification

    Q. Zheng, H. Shen and D. Shuai, Environ. Sci.: Water Res. Technol., 2017, 3, 982
    DOI: 10.1039/C7EW00159B

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