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Acta Physico-Chimica Sinica  2006, Vol. 22 Issue (08): 926-931    DOI: 10.3866/PKU.WHXB20060804
Article     
Preparation of NiO/SrTiO3 with Cold Plasma Treatment for PhotocatalyticWater Splitting
ZOU Ji-Jun;LIU Chang-Jun
Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology,Tianjin University, Tianjin 300072, P. R. China
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Abstract  Glow discharge plasma was used to modify NiO/SrTiO3 photocatalyst prepared by impregnation method. According to XRD, XPS, and TEM characterizations, the metal dispersion and stability of catalyst were greatly improved. XPS, thermo- gravimetric, and XRD characterizations showed that impregnated Ni(NO3)2 was decomposed into amorphous NiO clusters at room temperature. These clusters may have a strong interaction with the support, contributing to the enhanced metal dispersion and stability. The high metal dispersion can improve the electron transfer from semiconductor to metal and provide more active sites. The photocatalytic activity for water splitting to hydrogen and methanol solution conversion to hydrogen is 1.3 and 1.8 times of that of conventional catalyst.

Key wordsPhotocatalysis      Hydrogen generation      Glow discharge plasma      Water splitting      Nickel     
Received: 20 December 2005      Published: 07 July 2006
Corresponding Authors: LIU Chang-Jun     E-mail: dbdliu@yahoo.com.cn
Cite this article:

ZOU Ji-Jun;LIU Chang-Jun. Preparation of NiO/SrTiO3 with Cold Plasma Treatment for PhotocatalyticWater Splitting. Acta Physico-Chimica Sinica, 2006, 22(08): 926-931.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20060804     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2006/V22/I08/926

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