## Abstract BACKGROUND: Semiconductor TiO~2~ has been investigated extensively due to its chemical stability, nontoxicity and inexpensiveness. However, the wide band gap of anatase TiO~2~ (about 3.2 eV) only allows it to absorb UV light. TiO~2~ nanoparticles modified by conditional conjugated polym
Visible-light photocatalytic activity of nitrided TiO2 thin films
✍ Scribed by Enrique Camps; L. Escobar-Alarcón; Marco Antonio Camacho-López; Dora A. Solis Casados
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 212 KB
- Volume
- 174
- Category
- Article
- ISSN
- 0921-5107
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Owing to the large band gap energy of 3.2eV, pure TiO 2 film operates as an efficient photocatalyst under UV light irradiation and exhibits no photocatalytic activity under the visible spectral region. UV is only about 3% of the light existing in the solar spectrum. Currently, the red-shift in the b
When powdered TiO, was prepared from a commerical titamum hydroxide by calcination, its color turned to pale yellow at around 400°C and this yellow-colored TiO, showed higher photocatalytlc activity for oxygen isotope equihbration and the oxidation of carbon monoxide and ethane than standard TiO, in