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Superoxide ion formation process on reduced MoO3---TiO2 |
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| Authors: | Akio Kazusaka Tsunao Watanabe Koshiro Miyahara ken-ichi Tanaka Kozo Tanabe |
| Affiliation: | Research Institute for Catalysis, Hokkaido University, Sapporo, Japan Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Japan |
| Abstract: | Two novel Mo5+ ions, different from either the D2d symmetry Mo5+ on anatase or the D2hMo5+ on rutile, appeared on partially reduced molybdenum oxide supported on -titanic acid. The oxygen molecule is held on one of these novel Mo5+ ions but is not reduced to the superoxide ion. Oxygen is reduced to O−2 entirely by the Mo4+ ion formed from the D2d symmetry ion and the O−2 is subsequently stabilized after moving to a Ti4+-site. |
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