Synthesis and Photocatalylic Activity of SrCu2O2 for Water Decomposition to Hydrogen

Gui Yun Wang; Chang Cheng Wu; Bao Jun Song; Yan Ji Wang

doi:10.4028/www.scientific.net/AMR.239-242.2914

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Synthesis and Photocatalylic Activity of SrCu2O2...

Synthesis and Photocatalylic Activity of SrCu₂O₂ for Water Decomposition to Hydrogen

Abstract:

P-type semiconductor SrCu₂O₂ was synthetized by semi-wet method. The precursor was analyzed by TGA and the calcined samples SrCu₂O₂ were characterized using XRD and SEM. N-P heterogeneous complex CdO/SrCu₂O₂ and WO₃/SrCu₂O₂ were prepared using equal volume impregnation method. The photocatalylic activity of SrCu₂O₂, CdO/SrCu₂O₂, WO₃/SrCu₂O₂, CdO and WO₃ under ultraviolet light irradiation was investigated. The experimental results showed that SrCu₂O₂, CdO and WO₃did not exhibit any activity when they were used alone, but CdO/SrCu₂O₂ and WO₃/SrCu₂O₂were efficient photocatalysts for water decomposition to hydrogen. The conclusion could be drawn that the combination of N-type semiconductor and P-type semiconductor is very important for the photocatalysis.

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Periodical:

Advanced Materials Research (Volumes 239-242)

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2914-2918

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.2914

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Online since:

May 2011

Authors:

Gui Yun Wang, Chang Cheng Wu, Bao Jun Song, Yan Ji Wang

Keywords:

Heterogeneous Complex, Hydrogen Production, Photocatalytic, SrCu₂O₂, Water Decomposition

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