3 years ago
Enhanced visible light photocatalytic hydrogen evolution via cubic CeO2 hybridized g-C3N4 composite
In this work, CeO2 nanocubes hybridized g-C3 N4 composites had been facilely synthesized to investigate the interfacial effects on photocatalytic water splitting. The c-CeO2 /g-C3 N4 composites exhibited the superior photocatalytic hydrogen evolution under visible light irradiation. The optimal c-CeO2 loading content was 52 evolution of 43002 , g-C3 N4 and irregular CeO2 nanoparticles/g-C3 N4 . Moreover, UV–vis DRS, PL spectra and photoelectrochemical measurements demonstrated that 52 /g-C3 N4 composite possessed more visible light adsorption and faster charge transfer, which was attributed to the stronger interfacial effects through the presence of the hydrogen bond and p-π hybrid between c-CeO2 {100} and g-C3 N4 , revealed by the FT-IR and XPS results. The work suggested that engineering the structures of the CeO2 and g-C3 N4 interface could be an effective strategy to obtain excellent photocatalysts.
Publisher URL: www.sciencedirect.com/science
DOI: S0926337317302886
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