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ISSN 1000-6818CN 11-1892/O6CODEN WHXUEU
Acta Phys Chim Sin >> 2006,Vol.22>> Issue(05)>> 532-537     doi: 10.3866/PKU.WHXB20060504         中文摘要
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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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.

Keywords: Mesoporous titaniumoxide   Cerium   Ruthenium   Methanol decomposition   Catalyst support  
Received: 2005-11-02 Accepted: 2005-11-21 Publication Date (Web): 2006-04-28
Corresponding Authors: ZHANG, Xue-Hong Email: zxh114079@yahoo.com.cn


Cite this article: ZHANG Xue-Hong;TANG Xing-Hua;CHENG Xin-Sun. Synthesis and Application of Ce-doped Mesoporous TiO2[J]. Acta Phys. -Chim. Sin., 2006,22 (05): 532-537.    doi: 10.3866/PKU.WHXB20060504
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