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Citation: ZHANG Xue-Hong, TANG Xing-Hua, CHENG Xin-Sun. Synthesis and Application of Ce-doped Mesoporous TiO₂[J]. Acta Physico-Chimica Sinica, ;2006, 22(05): 532-537. doi: 10.3866/PKU.WHXB20060504 shu

Synthesis and Application of Ce-doped Mesoporous TiO₂

1.
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

Received Date: 2 November 2005
Available Online: 28 April 2006

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.
- Mesoporous titaniumoxide;Cerium;Ruthenium;Methanol decomposition; Catalyst support
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Synthesis and Application of Ce-doped Mesoporous TiO2

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通讯作者: 陈斌, bchen63@163.com

Synthesis and Application of Ce-doped Mesoporous TiO₂