Journal
CHEMSUSCHEM
Volume 6, Issue 12, Pages 2263-2268Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201300647
Keywords
carbon nitride; nickel sulfide; noble-metal-free; photocatalysis; water splitting
Funding
- National Environment Agency, Singapore, under the Environment Technology Research Programme (ETRP) [ETRP 1002 103]
- Singapore National Research Foundation (NRF) through the Singapore-Berkeley Research Initiative for Sustainable Energy (SinBeR-ISE) CREATE Programme
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A NiS/C3N4 photocatalyst containing earth-abundant elements only was constructed by means of a simple hydrothermal method. This photocatalyst shows efficient hydrogen evolution (48.2molh(-1)) under visible light when using triethanolamine as a sacrificial reagent. The optimal loading of 1.1wt% NiS on C3N4 as a cocatalyst can enhance the H-2 production by about 250times compared with the native C3N4. The highest apparent quantum efficiency of 1.9% was recorded at 440nm.
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