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Synergistic Effect of 2D Ti2C and g-C3N4 for efficient photocatalytic hydrogen production

Abstract

Photocatalytic water splitting is an environment-friendly technique for hydrogen production. In this work, we report a novel photocatalyst consisting of two-dimensional (2D) titanium carbide (Ti2C) and graphitic carbon nitride (g-C3N4). We observe substantially enhanced water splitting activities due to the efficient synergistic interaction between Ti2C and g-C3N4. Optimal properties are achieved in the g-C3N4 with a loading of 0.4 wt % Ti2C with a hydrogen production rate of 47.5 μmol/h, which is 14.4 times as much as the case using pure g-C3N4, and even outperforms Pt-loaded g-C3N4. We further show the Ti2C/g-C3N4 has high stability and good reproducibility. We expect the Ti2C/g-C3N4 can be a photocatalyst for large scale applications because both Ti2C and g-C3N4 are low-cost, abundant, and nontoxic.

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Publication details

The article was received on 12 May 2017, accepted on 09 Jul 2017 and first published on 10 Jul 2017


Article type: Paper
DOI: 10.1039/C7TA04122E
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Synergistic Effect of 2D Ti2C and g-C3N4 for efficient photocatalytic hydrogen production

    M. Shao, Y. Shao, J. W. Chai, Y. Qu, M. Yang, Z. Wang, M. Yang, W. F. Ip, C. T. Kwok, X. Shi, Z. Lu, S. Wang, X. wang and H. Pan, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA04122E

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