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Issue 39, 2011
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Efficient synthesis of polymeric g-C3N4 layered materials as novel efficient visible light driven photocatalysts

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Abstract

In order to develop efficient visible light driven photocatalysts for environmental applications, novel polymeric g-C3N4 layered materials with high surface areas are synthesized efficiently from an oxygen-containing precursor by directly treating urea in air between 450 and 600 °C, without the assistance of a template for the first time. The as-prepared g-C3N4 materials with strong visible light absorption have a band gap around 2.7 eV. The crystallinity and specific surface areas of g-C3N4 increases simultaneously when the heating temperatures increases. The g-C3N4 materials are demonstrated to exhibit much higher visible light photocatalytic activity than that of C-doped TiO2 and g-C3N4 prepared from dicyanamide for the degradation of aqueous RhB. The large surface areas, layered structure and band structure in all contributed to the efficient visible light photocatalytic activity. The efficient synthesis method for g-C3N4 combined with efficient photocatalytic activity is of significant interest for environmental pollutants degradation and solar energy conversion in large scale applications.

Graphical abstract: Efficient synthesis of polymeric g-C3N4 layered materials as novel efficient visible light driven photocatalysts

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Publication details

The article was received on 20 Jun 2011, accepted on 03 Aug 2011 and first published on 22 Aug 2011


Article type: Communication
DOI: 10.1039/C1JM12844B
Citation: J. Mater. Chem., 2011,21, 15171-15174
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    Efficient synthesis of polymeric g-C3N4 layered materials as novel efficient visible light driven photocatalysts

    F. Dong, L. Wu, Y. Sun, M. Fu, Z. Wu and S. C. Lee, J. Mater. Chem., 2011, 21, 15171
    DOI: 10.1039/C1JM12844B

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