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Acta Physico-Chimica Sinica  2009, Vol. 25 Issue (08): 1555-1560    DOI: 10.3866/PKU.WHXB20090745
Article     
Preparation of Visible-Light Response Cu-Cu2+1O Composites by a One-Step Hydrothermal Method
LI Chang-Yu, LIU Shou-Xin, MA Yue
College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, P. R. China
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Abstract  

Visible-light response Cu-Cu2+1O metal-semiconductor nanocrystal composites were prepared using a one-step hydrothermal method with Cu(NO3)2 as starting material, ethylene glycol (EG) as solvent and reductant, and polyvinypyrrolidone k30 (PVP) as surfactant. The prepared composites were characterized via X-ray diffraction (XRD), transmission electron microscopy (TEM) and UV-Vis diffuse reflectance spectrum (DRS). The photocatalytic performance was tested using phenol degradation under xenon lamp irradiation. Results show that PVP has almost no effect on the crystal structure of the prepared powders but promotes the deoxidization of Cu2+1O and affects the particle size distribution, interface combination, and the photocatalytic activity of Cu and Cu2+1O. Activity results show that Cu-Cu2+1O particles can degrade phenol and the kinetics fits a first-order reaction.



Key wordsPhotocatalytic activity      Visible-light response      Cu-Cu2+1O      Metal-semiconductor composite material     
Received: 04 March 2009      Published: 20 May 2009
MSC2000:  O643  
Corresponding Authors: LIU Shou-Xin     E-mail: liushouxin@126.com
Cite this article:

LI Chang-Yu, LIU Shou-Xin, MA Yue. Preparation of Visible-Light Response Cu-Cu2+1O Composites by a One-Step Hydrothermal Method. Acta Physico-Chimica Sinica, 2009, 25(08): 1555-1560.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20090745     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2009/V25/I08/1555

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