Hydrothermal Synthesis of ZnO/Zn Composites with Enhanced Photocatalytic Performance

Hong Chao Ma; Shi Yong Yuan; Ying Huan Fu; Xiao Li Dong; Xiu Fang Zhang; Chun Ma; Xin Xin Zhang

doi:10.4028/www.scientific.net/AMR.518-523.746

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523Hydrothermal Synthesis of ZnO/Zn Composites with...

Hydrothermal Synthesis of ZnO/Zn Composites with Enhanced Photocatalytic Performance

Abstract:

ZnO/Zn composites photocatalysts were prepared by hydrothermal method using Zn powder as raw material, and the morphology, structure, and photocatalytic performance of composites were investigated. The results showed that the ZnO nanoparticles were produced at the surface of Zn metal powder during hydrothermal process. The thickness of ZnO outer layer (internal metal-semiconductor interfaces) can be controlled by varying hydrothermal treatment time. The resulting ZnO/Zn composites exhibit significantly higher photocatalytic activity than that of pure ZnO for degradation of anthraquinone dye (reactive brilliant blue KN-R) aqueous solution under ultraviolet light irradiation. The enhancement of photocatalytic performance of ZnO/Zn composites can be attributed to the formation of internal metal-semiconductor interfaces. The designed fabrication procedure is simple, feasible, and universal for a series of oxide/metal with controlled microstructure and improved performances.

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Advanced Materials Research (Volumes 518-523)

Pages:

746-749

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.746

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Online since:

May 2012

Authors:

Hong Chao Ma, Shi Yong Yuan, Ying Huan Fu, Xiao Li Dong, Xiu Fang Zhang, Chun Ma, Xin Xin Zhang

Keywords:

Metal-Semiconductor Interfaces, Photocatalytic Activity, Zno/Zn

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