Super-Hydrophilic Lu3+-Doped TiO2 Photocatalysts for Self-Cleaning Applications
| Autor: | Guo Lin Huang, Wen Yuan Xu, Chuo Yang, Li Na Meng |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Anatase
Materials science business.industry Mechanical Engineering Doping engineering.material Contact angle chemistry.chemical_compound Optics Absorption edge Coating Chemical engineering chemistry Mechanics of Materials Photocatalysis engineering Methyl orange General Materials Science Thin film business |
| Zdroj: | Key Engineering Materials. :1700-1703 |
| ISSN: | 1662-9795 |
| Popis: | The self-cleaning glasses can be realized by coating the photoinduced super-hydrophilic Lu3+-doped TiO2 thin films via innovative ultrasonic-sol-gel route. The composition, structure and performance of the as-obtained material were characterized by XRD, SEM, FT-IR and UV-vis. The super-hydrophilicity is assessed by contact angle measurement. Photocatalytic properties of these films are evaluated by degradation of methyl orange under UV irradiation. The results indicate that the crystalline phase composition of Lu3+ doped TiO2 films is anatase, and the particle size is from 6 to 15 nm. In addition, Lu3+ doping can bring the red shift of the optical absorption edge of TiO2. The films exhibit excellent super-hydrophilicity and photocatalytic properties after UV radiation and the hydrophilicity can maintain for a long time in the dark place, which favors greatly the self-cleaning function of the films. |
| Databáze: | OpenAIRE |
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