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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ichihashi, Yuichi Taniguchi, Masa Aki Nishiyama, Satoru Tsuruya, Shigeru |
| Copyright Year | 2008 |
| Abstract | Titanium-silicon (Ti/Si) binary oxides having a varying Ti content were prepared using the sol-gel method and used as photocatalysts. The photo-oxidation of benzene to phenol was carried out using Ti/Si binary oxide catalysts in the presence of benzene, water and gaseous oxygen. The amounts of benzene used hardly affected the phenol yield. On the other hand, the addition of sulfuric acid into reaction solution led to the improvement of phenol formation. The H$_{2}$O$_{2}$ formation rate seemed to be related to the phenol yeilds. The photocatalytic reactivity of Ti/Si binary oxide having different TiO$_{2}$ contents was investigated and it was found to be dramatically enhanced in the range of lower TiO$_{2}$ contents. XANES, ESR and XRD spectroscopic investigations of these Ti/Si binary oxide catalysts indicated that Ti species were highly dispersed in SiO$_{2}$ matrices and existed in a tetrahedral coordination. The photo-irradiation of catalysts having tetrahedral Ti species seemed to effectively lead to the formation of H$_{2}$O$_{2}$ as an intermediate. |
| Starting Page | 525 |
| Ending Page | 533 |
| Page Count | 9 |
| File Format | |
| ISSN | 09226168 |
| Journal | Research on Chemical Intermediates |
| Volume Number | 34 |
| Issue Number | 5-7 |
| e-ISSN | 15685675 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2008-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ti/Si binary oxide photocatalyst sol-gel method phenol synthesis partial oxidation benzene Catalysis Physical Chemistry Inorganic Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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