期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 3, 期 7, 页码 1782-1789出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cy20878h
关键词
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资金
- 973 program [2013CB632402]
- 863 Program [2012AA062701]
- NSFC [51072154, 21177100, 51272199]
- Natural Science Foundation of Hubei Province [2010CDA078]
- Fundamental Research Funds for the Central Universities
- SKLWUT
Ni(OH)(2)-modified graphitic carbon nitride (Ni(OH)(2)-g-C3N4) composite photocatalysts were prepared by a simple precipitation method using g-C3N4 as support and nickel nitrate as precursor. The effect of Ni(OH)(2) content on the rate of visible-light photocatalytic H-2-production was studied for a series of Ni(OH)(2)-g-C3N4 composite samples in triethanolamine aqueous solutions. The results demonstrated that Ni(OH)(2) was an efficient co-catalyst for the photocatalytic H-2 production of g-C3N4. The optimal Ni(OH)(2) loading was found to be 0.5 mol%, giving a H-2-production rate of 7.6 mu mol h(-1) (with an apparent quantum efficiency (QE) of 1.1% at 420 nm), which approached that of optimal 1.0 wt% Pt/ g-C3N4 (8.2 mu mol h(-1)). This work showed the possibility for the utilization of low cost Ni(OH)(2) as a substitute for noble metals (such as Pt) in the photocatalytic H-2 production for g-C3N4.
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