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A mesoporous Pt-SBA-15 nano architecture with catalytic functions on oxidation of CO

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Abstract

Among many kinds of noble metal catalysts, platinum is the most efficient and widely used as automotive exhaust catalysts for treatment to remove poison gases. Due to the regular pore system and controllable pore size, mesoporous silica has been acknowledged as supports of adsorption, separation, catalysts for the extremely large surface areas and shape selective properties. SBA-15 supported Pt particles are prepared by a facile method and characterized by X-ray diffraction, Transmission Electron Microscopy and N2 isotherms techniques. Results indicate that the Pt precursor is introduced into the mesoporous successfully and all of the particles are confined in SBA-15 with monodispersed form and uniform size. The catalytic activity of Pt-SBA-15 on oxidation of carbon monoxide are also investigated and the result indicate that the catalysts possess high catalytic activity, catalytic efficiency and stability on oxidation of CO.

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Acknowledgments

We are grateful to the National Natural Science Foundation of China (Grant N0. 50904054) for financial support. The project was also supported by the Special Fund for Basic Scientific Research of Central Colleges (Grant N0.CUG090108), China University of Geosciences (Wuhan).

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Authors and Affiliations

  1. School of Environmental Studies, China University of Geosciences, Wuhan, 430074, People’s Republic of China

    Chao Yang, Xike Tian & Yanxin Wang

  2. Faculty of Material Science and Chemistry Engineering, China University of Geosciences, Wuhan, 430074, People’s Republic of China

    Chao Yang, Zhenzhen Wang, Xiaochong Zhou, Xike Tian & Zhenbang Pi

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  1. Chao Yang
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  2. Zhenzhen Wang
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  3. Xiaochong Zhou
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  4. Xike Tian
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  6. Yanxin Wang
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Correspondence to Xike Tian.

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Yang, C., Wang, Z., Zhou, X. et al. A mesoporous Pt-SBA-15 nano architecture with catalytic functions on oxidation of CO. J Porous Mater 18, 31–35 (2011). https://doi.org/10.1007/s10934-010-9353-9

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  • DOI: https://doi.org/10.1007/s10934-010-9353-9

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