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- Title
OPTICAL PROPERTIES OF TeO<sub>2</sub>-TiO<sub>2</sub> THIN FILMS DOPED WITH Eu<sup>3+</sup> IONS FABRICATED BY SOL-GEL PROCESSING.
- Authors
Hayakawa, T.; Koyama, H.; Nogami, M.; Thomas, Ph.
- Abstract
The present study was aimed to fabricate thin films of TeO2-based glasses by a sol-gel process. It was here demonstrated that to control the hydrolysis reaction of Te-alkoxide with a chelating agent of diethanol-amine and in low-humidity environment was important because the hydrolysis reaction was extremely rapid. As a result, transparent TeO2-TiO2 thin films were successfully formed by dip-coating and subsequent heat-treatment. TiO2 component was found to be effective not only for more moderate hydrolysis reaction but also for an increase of refractive index. Photoluminescence properties of Eu3+ ions in TeO2-TiO2 thin film were also investigated.
- Subjects
THIN films; GLASS; SOL-gel processes; HYDROLYSIS; CHELATING agents; REFRACTIVE index; PHOTOLUMINESCENCE
- Publication
Journal of the University of Chemical Technology & Metallurgy, 2012, Vol 47, Issue 4, p381
- ISSN
1311-7629
- Publication type
Article