Investigations on the photoluminescence properties of Mo-MCM-41 and the photocatalytic decomposition of NO in the presence of CO |
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| Authors: | Rie Tsumura Shinya Higashimoto Masaya Matsuoka Hiromi Yamashita Michel Che Masakazu Anpo |
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| Affiliation: | (1) Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan;(2) Laboratorie de Réactivité de Surface, Université P. et M. Curie, UA 1106-CNRS, 4 Place Jussieu Tour 54, 75252 Paris Cedex 05, France |
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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.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | photocatalysis photoluminescence decomposition of NO Mo-MCM-41 |
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