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Issue 8, 2017
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Eco-friendly one-pot synthesis of well-adorned mesoporous g-C3N4 with efficiently enhanced visible light photocatalytic activity

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Abstract

We report a facile and eco-friendly one-pot synthesis of well-adorned mesoporous g-C3N4 material through a bubble templating strategy and involving controlling the surface area from 17 to 195 m2 gāˆ’1 by simply adjusting the mass ratio of melamine/NH4Cl. Various characterization techniques were adopted to examine the structures and physicochemical properties of the as-prepared mpg-C3N4 samples. The results are a step forward to the bottleneck problems of producing mesoporous g-C3N4 materials with both a high BET surface area with well-adorned pore diameters and considerable pore volume by simply employing ammonium chloride as a gaseous bubble template and melamine as a g-C3N4 precursor. The obtained ammonium chloride-mediated mesoporous g-C3N4 photocatalyst demonstrated excellent photocatalytic performance compared with bulk g-C3N4 for the visible light photodegradation of RhB and phenol. The extraordinary photocatalytic activity and outstanding stability of the as-prepared mesoporous g-C3N4 were predominantly attributed to the exceptionally high surface area with ordered pore diameters, improved optical absorbance, and efficient charge separation. Our work not only exhibits the simplest, eco-friendly, and economical approach to fabricate highly efficient well-adorned mesoporous g-C3N4 photocatalysts, but also paves new opportunities for the rational design and synthesis of advanced photocatalysts with great potential in environmental remediation.

Graphical abstract: Eco-friendly one-pot synthesis of well-adorned mesoporous g-C3N4 with efficiently enhanced visible light photocatalytic activity

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Publication details

The article was received on 15 Feb 2017, accepted on 06 Mar 2017 and first published on 07 Mar 2017


Article type: Paper
DOI: 10.1039/C7CY00286F
Citation: Catal. Sci. Technol., 2017,7, 1726-1734
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    Eco-friendly one-pot synthesis of well-adorned mesoporous g-C3N4 with efficiently enhanced visible light photocatalytic activity

    W. Iqbal, C. Dong, M. Xing, X. Tan and J. Zhang, Catal. Sci. Technol., 2017, 7, 1726
    DOI: 10.1039/C7CY00286F

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