Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 140, Issue -, Pages 164-168Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2013.04.006
Keywords
Photocatalysis; H-2 production; CO2 conversion; Heterostructure; Carbon nitride
Funding
- NTU
- MOE AcRF [RG 44/11, MOE2012-T2-2-041, ARC 5/13]
- CRP from NRF Singapore [NRF-CRP5-2009-04]
- National Natural Science Foundation of China [51002001]
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We report a composite photocatalyst by coupling red phosphor (r-P) and graphitic carbon nitride (g-C3N4). The introduction of g-C3N4 onto r-P surface led to considerable improvement on the photocatalytic activity for H-2 production and CO2 conversion into valuable hydrocarbon fuel (CH4) in the presence of water vapor. The enhancement could be attributed to the effective separation of photogenerated electrons and holes across the r-P/g-C3N4 heterojunction. Owing to the advantages of non-toxicity, low cost and abundance in nature, this active heterostructural r-P/g-C3N4 photocatalyst would have great potential for efficient solar fuels production. (C)2013 Elsevier B.V. All rights reserved.
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