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Title: Enhanced visible light photocatalytic H evolution over CeO loaded with Pt and CdS.
Authors: You, Daotong; Pan, Bao; He, Yishan; Wang, Xuxu; Su, Wenyue
Abstract: CdS-Pt@CeO ternary composites are successfully prepared by an in situ redox precipitation followed by a subsequent precipitation. The prepared CdS-Pt@CeO sample exhibits high photocatalytic activity for hydrogen evolution from lactic acid aqueous solution under visible light irradiation, with a H-evolation rate of 20.09 mmol hg and apparent quantum yield (AQY) of 15.32%. With techniques such as XRD, TEM, DRS, XPS, N adsorption/desorption and electrochemistry measurements, the physicochemical properties of the CdS-Pt@CeO ternary composites are discussed, and a possible mechanism for the hydrogen evolution is proposed.
Subjects: PHOTOCATALYSIS; PHOTOCATALYSTS; HYDROGEN evolution reactions; LACTIC acid; AQUEOUS solutions; VISIBLE spectra; IRRADIATION
Publication: Research on Chemical Intermediates, 2017, Vol 43, Issue 9, p5103
ISSN: 0922-6168
Publication type: Academic Journal
DOI: 10.1007/s11164-017-3037-x

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Enhanced visible light photocatalytic H evolution over CeO loaded with Pt and CdS.