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- Title
Efficient visible-light driven photocatalysts: coupling TiO(AB) nanotubes with g-CN nanoflakes.
- Authors
Wang, Wenwen; Yang, Dongjiang; Yang, Weiyou; Sun, Jin; Hou, Huilin
- Abstract
The wide application of the titanium dioxide (TiO) as the photocatalysts is greatly hindered by its intrinsic large band gap and usually fast electron-hole recombination. Here, we reported the exploration of coupling g-CN nanoflakes to TiO nanotubes with the anatase and TiO(B) mixed phases (TiO(AB)) toward the efficient visible-light-driven hybrid photocatalyst. It is found that coupling TiO(AB) nanotubes with g-CN nanoflakes could bring a profoundly extension the visible light adsorption capacity and enhanced photogenerated carrier separation. Accordingly, they exhibit much higher efficient photocatalytic activities toward the degradation of sulforhodamine B under the visible light irradiation, which is enhanced for nearly 15 times to those of the TiO(AB) and g-CN, suggesting their promising practical applications as novel and efficient semiconductor photocatalysts for the water purification.
- Subjects
TITANIUM dioxide; ELECTRON-hole recombination; PHOTONIC band gap structures; NANOTUBES; PHOTOCATALYSTS; WATER purification
- Publication
Journal of Materials Science: Materials in Electronics, 2017, Vol 28, Issue 2, p1271
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-016-5655-2