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Investigations on the photoluminescence properties of Mo-MCM-41 and the photocatalytic decomposition of NO in the presence of CO

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Abstract

The photocatalytic decomposition of NO into N2 and CO2 on Mo-MCM-41 was found to proceed efficiently in the presence of CO. In situ photoluminescence measurements demonstrated that this reaction proceeds in a redox cycle between alternating Mo6+ and Mo4+ ions. The yields of N2 formation in the photocatalytic reaction correspond with the yields of the photoluminescence of the tetrahedrally coordinated Mo oxide species, indicating that the charge transfer excited triplet state of the tetrahedral Mo oxide species plays a significant role in this reaction, leading to the formation of N2 and CO2 with a good stoichiometry.

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Authors and Affiliations

  1. Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka, 599-8531, Japan

    Rie Tsumura, Shinya Higashimoto, Masaya Matsuoka, Hiromi Yamashita & Masakazu Anpo

  2. Laboratorie de Réactivité de Surface, Université P. et M. Curie, UA 1106-CNRS, 4 Place Jussieu Tour 54, 75252, Paris Cedex 05, France

    Michel Che

Authors
  1. Rie Tsumura
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  2. Shinya Higashimoto
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  3. Masaya Matsuoka
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  4. Hiromi Yamashita
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  5. Michel Che
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  6. Masakazu Anpo
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Tsumura, R., Higashimoto, S., Matsuoka, M. et al. Investigations on the photoluminescence properties of Mo-MCM-41 and the photocatalytic decomposition of NO in the presence of CO. Catalysis Letters 68, 101–103 (2000). https://doi.org/10.1023/A:1019035504246

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  • DOI: https://doi.org/10.1023/A:1019035504246

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