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Acta Physico-Chimica Sinica  2006, Vol. 22 Issue (05): 532-537    DOI: 10.3866/PKU.WHXB20060504
Article     
Synthesis and Application of Ce-doped Mesoporous TiO2
ZHANG Xue-Hong;TANG Xing-Hua;CHENG Xin-Sun
Department of Environmental and Chemical Engineering, Nanchang Institute of Aeronautical Technology, Nanchang 330034, P. R. China; Department of Chemistry, Nanchang University, Nanchang 330047, P. R. China
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Abstract  Mesoporous TiO2-CeO2(m-TiO2-CeO2) was synthesized using n-cetylpyridinium chloride(C16PyCl) as a structure-directing agent under room temperature and neutral condition. The as-synthesized mesoporous samples were characterized by FT-IR, XRD, and N2 adsorption methods. The incorporation of Ce4 + ions into the channel wall dramatically improves the mesoporous structure. After ruthenium loaded by the impregnating method, the Ru particles strongly interact with the mesoporous mixed supports. Although a fairly large part of the particles are considered to be confined in the blind pores, the catalytic activity of ruthenium supported on m-TiO2-CeO2 for methanol decomposition to carbon monoxide and hydrogen is significantly higher than that of ruthenium supported on m-TiO2. A synergistic effect between Ru and CeO2 was observed for promoting the catalytic properties of Ru.

Key wordsMesoporous titaniumoxide      Cerium      Ruthenium      Methanol decomposition      Catalyst support     
Received: 02 November 2005      Published: 28 April 2006
Corresponding Authors: ZHANG, Xue-Hong     E-mail: zxh114079@yahoo.com.cn
Cite this article:

ZHANG Xue-Hong;TANG Xing-Hua;CHENG Xin-Sun. Synthesis and Application of Ce-doped Mesoporous TiO2. Acta Physico-Chimica Sinica, 2006, 22(05): 532-537.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20060504     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2006/V22/I05/532

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