Structural defects cause TiO2-based photocatalysts to be active in visible light

被引:160
作者
Martyanov, IN [1 ]
Uma, S [1 ]
Rodrigues, S [1 ]
Klabunde, KJ [1 ]
机构
[1] Kansas State Univ, Dept Chem, Manhattan, KS 66506 USA
关键词
D O I
10.1039/b409730k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Oxidation of TiO or Ti2O3 led to the formation of TiO2 with activity in visible light much higher than when TiN was used as a precursor, pointing out the importance of oxygen defects/vacancies for extension of activity of TiO2 into the visible region.
引用
收藏
页码:2476 / 2477
页数:2
相关论文
共 19 条
[1]   The design and development of highly reactive titanium oxide photocatalysts operating under visible light irradiation [J].
Anpo, M ;
Takeuchi, M .
JOURNAL OF CATALYSIS, 2003, 216 (1-2) :505-516
[2]   Visible-light photocatalysis in nitrogen-doped titanium oxides [J].
Asahi, R ;
Morikawa, T ;
Ohwaki, T ;
Aoki, K ;
Taga, Y .
SCIENCE, 2001, 293 (5528) :269-271
[3]   Fabrication of TiO2 photocatalysts by oxidative annealing of TiC [J].
Choi, Y ;
Umebayashi, T ;
Yamamoto, S ;
Tanaka, S .
JOURNAL OF MATERIALS SCIENCE LETTERS, 2003, 22 (17) :1209-1211
[4]   Photochemical activity of nitrogen-doped rutile TiO2(111) in visible light [J].
Diwald, O ;
Thompson, TL ;
Zubkov, T ;
Goralski, EG ;
Walck, SD ;
Yates, JT .
JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (19) :6004-6008
[5]   The effect of nitrogen ion implantation on the photoactivity of TiO2 rutile single crystals [J].
Diwald, O ;
Thompson, TL ;
Goralski, EG ;
Walck, SD ;
Yates, JT .
JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (01) :52-57
[6]   Spectral dependencies of the quantum yield of photochemical processes on the surface of wide band gap solids. 3. Gas/solid systems [J].
Emeline, AV ;
Kuzmin, GN ;
Purevdorj, D ;
Ryabchuk, VK ;
Serpone, N .
JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (14) :2989-2999
[7]   Highly efficient formation of visible light tunable TiO2-xNx photocatalysts and their transformation at the nanoscale [J].
Gole, JL ;
Stout, JD ;
Burda, C ;
Lou, YB ;
Chen, XB .
JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (04) :1230-1240
[8]   ENVIRONMENTAL APPLICATIONS OF SEMICONDUCTOR PHOTOCATALYSIS [J].
HOFFMANN, MR ;
MARTIN, ST ;
CHOI, WY ;
BAHNEMANN, DW .
CHEMICAL REVIEWS, 1995, 95 (01) :69-96
[9]   Preparation of a visible-light-active TiO2 photocatalyst by RF plasma treatment [J].
Ihara, T ;
Miyoshi, M ;
Ando, M ;
Sugihara, S ;
Iriyama, Y .
JOURNAL OF MATERIALS SCIENCE, 2001, 36 (17) :4201-4207
[10]   Carbon-doped anatase TiO2 powders as a visible-light sensitive photocatalyst [J].
Irie, H ;
Watanabe, Y ;
Hashimoto, K .
CHEMISTRY LETTERS, 2003, 32 (08) :772-773