期刊
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
卷 35, 期 1, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppsc.201700251
关键词
Co2P nanorods; noble metal free; photocatalytic hydrogen production; porous g-C3N4 nanosheets; visible light irradiation
资金
- Institute of Materials Research and Engineering (IMRE), A*STAR in Singapore
- National Natural Science Foundation of China [51471137]
- National Key R&D Program of China [2016YFA0202602]
- China Scholarship Council (CSC)
Graphitic carbon nitride (g-C3N4), which typically acts as the 2D support for loading with cocatalysts, endows fascinating performances for photocatalytic water splitting. Benefiting from the natural sheet-like structure in g-C3N4, 1D metal phosphides (Co2P) nanorods are incorporated into 2D porous g-C3N4 nanosheets via a solution-phase method under ultrasonication. The novel 1D/2D Co2P/g-C3N4 heterojunction nanohybrids exhibit ameliorated visible-light photocatalytic H-2 generation without the assistance of Pt as noble metal cocatalysts. Interestingly, the optimal loading of Co2P nanorods is 3 wt%, giving a maximum H-2 production rate of 53.3 mu mol h(-1) g(-1). Hence, the solution-phase hybridization technique can be extensively applied for the smart engineering of other 1D and 2D nanomaterials, leading to unprecedented opportunities on the highly efficient heterojunction photocatalysts for solar-to-H-2 conversion.
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