期刊
NANOMATERIALS
卷 7, 期 1, 页码 -出版社
MDPI AG
DOI: 10.3390/nano7010019
关键词
Cu1.8Se; Cu3Se2 composite; visible; near-infrared; photocatalysis; phase junction
类别
资金
- NSF of China [51221291, 51328203, 51532003]
A novel Cu1.8Se/Cu3Se2 composite photocatalyst was prepared by the simple precipitation method. This composite possesses a wide photoabsorption until the range of near-infrared light, and exhibits significantly enhanced photocatalytic activity for methyl orange degradation under visible and near-infrared light irradiation compared with bare Cu1.8Se and Cu3Se2. The mechanism of this outstanding photocatalytic behavior can be explained by the calculated energy band positions. The efficient charge separation via a phase junction of Cu1.8Se/Cu3Se2 composite would make a great contribution to its much-enhanced photocatalytic efficiency.
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