Journal
NANOMATERIALS
Volume 7, Issue 1, Pages -Publisher
MDPI AG
DOI: 10.3390/nano7010019
Keywords
Cu1.8Se; Cu3Se2 composite; visible; near-infrared; photocatalysis; phase junction
Categories
Funding
- NSF of China [51221291, 51328203, 51532003]
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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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