Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 5, Issue 32, Pages 16748-16756Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta04122e
Keywords
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Funding
- Science and Technology Development Fund from Macau SAR [FDCT-068/2014/A2, FDCT-132/2014/A3, FDCT-110/2014/SB]
- Research & Development Office at the University of Macau [MYRG2017-00027-FST, MYRG2015-00017-FST]
- Singapore MOE AcRF grant [R-144-000-365-112]
- Shenzhen Key Laboratory Project [ZDSYS201603311013489]
- National Natural Science Foundation of China [21671096]
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Photocatalytic water splitting is an environmentally 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 mmol h(-1), which is 14.4 times as much as that in the case using pure g-C3N4, and it even outperforms Pt-loaded g-C3N4. We further show that the Ti2C/g-C3N4 has high stability and good reproducibility. We expect that 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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