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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014 

Fabrication and Photocatalytic Properties of Visible Light Responsive Cuprous Oxide Cubes
Jiudong Lin, Feifei Tao*, Congcong Sheng, Jianwei Li, Xiaoding Yu
Cuprous oxide, Visible light, Photocatalysis
The cuprous oxide cubes with the special porous surface constructed by nano-prisms have been successfully fabricated by a solvothermal method. The template-free method is simple and facile without any surfactant. The X-ray powder diffraction (XRD) pattern suggests that the as-prepared product is the pure primitive cubic Cu2O. The effects of the experimental parameters, such as the reaction temperature, reaction time and the concentration of sodium acetate anhydrous, on the morphologies of the products were investigated in detail by the scanning electron microscopy (SEM). Based on the time-dependent experiments, the possible formation mechanism was proposed. Using photocatalytic degrading reactive dyes as the model reaction and xenon lamp to simulate sunlight, the Cu2O cubes with the porous surface might possess higher photocatalytic activity than those of the commercial Cu2O powder in the visible-light region, indicating the excellent photocatalytic performance.
1110 - 1116
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