Enhanced Photocatalytic Activity of ZnO/CuO Nanocomposites Synthesized by Hydrothermal Method

被引：104

作者：

Chang, Tongqin ^{[1
]}

Li, Zijiong ^{[1
]}

Yun, Gaoqian ^{[1
]}

Jia, Yong ^{[1
]}

Yang, Hongjun ^{[1
]}

机构：

[1] Zhengzhou Univ Light Ind, Dept Technol & Phys, Zhengzhou 450002, Peoples R China

来源：

NANO-MICRO LETTERS | 2013年 / 5卷 / 03期

关键词：

Photocatalytic degradation; Nanocomposites; ZnO/CuO; Hydrothermal; ZNO PHOTOCATALYST; DEGRADATION; ORANGE; PERFORMANCE; FABRICATION; MORPHOLOGY; PROPERTY; SPHERES;

D O I：

10.1007/BF03353746

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, we have demonstrated a facile and low-cost synthesis of the ZnO/CuO nanocomposites by two-step hydrothermal methods. The photocatalytic properties of the as-synthesized ZnO/CuO nanocomposites have been evaluated by the photodegradation of methylene blue (MB) and methyleneorange (MO) under UV irradiation. Experimental results show that MB and MO can be degraded completely within 15 and 25 min by the ZnO/CuO nanocomposites and its photodegradation rate is 6 times faster than that of pure ZnO. This enhanced photocatalytic activity can be ascribed to the low recombination probability of photo-induced carriers due to the efficient charge transfer in the nanocomposites. The as-synthesized ZnO/CuO nanocomposite may be a promising candidate for dye photodegradation of wastewaters.

引用

页码：163 / 168

页数：6

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