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Title: Enhanced visible-light-driven photocatalytic hydrogen generation over g-C3N4 through loading the noble metal-free NiS2 cocatalyst
Authors: Yuan, Yu-Peng
Cao, Shao-Wen
Yin, Lisha
Zhang, Zhenyi
Xue, Can
Keywords: DRNTU::Engineering::Materials
Issue Date: 2014
Source: Yin, L., Yuan, Y. P., Cao, S. W., Zhang, Z., & Xue, C. (2014). Enhanced visible-light-driven photocatalytic hydrogen generation over g-C3N4 through loading the noble metal-free NiS2 cocatalyst. RSC Advances, 4(12), 6127-6132.
Series/Report no.: RSC Advances
Abstract: Nickel sulfide nanoparticles were successfully grown as a cocatalyst on the surface of polymeric g-C3N4 photocatalysts through a hydrothermal method. The NiS2 composition is confirmed by various spectroscopic techniques and electron microscopy. It was found that the presence of NiS2 nanoparticles on the g-C3N4 surface could greatly enhance the photocatalytic activity of g-C3N4 for hydrogen generation under visible-light irradiation. Significantly, the NiS2-loaded g-C3N4 was capable of showing an even higher photocatalytic H2 generation rate than that of Pt-loaded g-C3N4. Such enhanced photocatalytic activities by NiS2-loading could be attributed to the effective charge transfer between g-C3N4 and the attached NiS2 nanoparticles which might also serve as active sites for proton reduction into H2. Our studies demonstrate a promising strategy to develop economic noble-metal-free composites as photocatalysts for efficient solar-to-hydrogen conversion.
ISSN: 2046-2069
DOI: 10.1039/c3ra46362a
Rights: © 2014 Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by RSC Advances, Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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