Zinc ions surface-doped titanium dioxide nanotubes and its photocatalysis activity for degradation of methyl orange in water

被引:163
作者
Xu, JC
Lu, M
Guo, XY
Li, HL [1 ]
机构
[1] Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China
[2] Henan Univ, Key Lab Lubricat & Funct Mat, Kaifeng 475001, Peoples R China
关键词
titanium dioxide; nanotubes; doping; zinc ions; surface;
D O I
10.1016/j.molcata.2004.09.051
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Zn ions surface-doped TiO2 nanotubes were synthesized via an assembly process based on ligand exchange reaction and with additional thermal treatment. First the ligand exchange reaction between zinc acetylacetonate and hydroxide radicals on TiO2 surface, introduced the Zn ions onto the surface of TiO2 nanotubes. then the Zn(acac)(2) assembled TiO2 nanotubes were calcined at an optimal temperature (400degreesC) to eliminate the organic ligands. The as-prepared Zn ions surface-doped TiO2 nanotubes showed a further improvement on the photocatalysis activity for degradation of methyl orange in water. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:123 / 127
页数:5
相关论文
共 19 条
[1]   COMPARATIVE HEAT STABILITIES OF SOME METAL ACETYLACETONATE CHELATES [J].
CHARLES, RG ;
PAWLIKOWSKI, MA .
JOURNAL OF PHYSICAL CHEMISTRY, 1958, 62 (04) :440-444
[2]   THE ROLE OF METAL-ION DOPANTS IN QUANTUM-SIZED TIO2 - CORRELATION BETWEEN PHOTOREACTIVITY AND CHARGE-CARRIER RECOMBINATION DYNAMICS [J].
CHOI, WY ;
TERMIN, A ;
HOFFMANN, MR .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (51) :13669-13679
[3]   EFFECTS OF METAL-ION DOPANTS ON THE PHOTOCATALYTIC REACTIVITY OF QUANTUM-SIZED TIO2 PARTICLES [J].
CHOI, WY ;
TERMIN, A ;
HOFFMANN, MR .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1994, 33 (10) :1091-1092
[4]   Time scales and pH dependences of the redox processes determining the photocatalytic efficiency of TiO2 nanoparticles from periodic illumination experiments in the stochastic regime [J].
Cornu, CJG ;
Colussi, AJ ;
Hoffmann, MR .
JOURNAL OF PHYSICAL CHEMISTRY B, 2003, 107 (14) :3156-3160
[5]   LIGHT-INDUCED REDOX REACTIONS IN NANOCRYSTALLINE SYSTEMS [J].
HAGFELDT, A ;
GRATZEL, M .
CHEMICAL REVIEWS, 1995, 95 (01) :49-68
[6]   ENVIRONMENTAL APPLICATIONS OF SEMICONDUCTOR PHOTOCATALYSIS [J].
HOFFMANN, MR ;
MARTIN, ST ;
CHOI, WY ;
BAHNEMANN, DW .
CHEMICAL REVIEWS, 1995, 95 (01) :69-96
[7]   Formation of titanium oxide nanotube [J].
Kasuga, T ;
Hiramatsu, M ;
Hoson, A ;
Sekino, T ;
Niihara, K .
LANGMUIR, 1998, 14 (12) :3160-3163
[8]  
Kasuga T, 1999, ADV MATER, V11, P1307, DOI 10.1002/(SICI)1521-4095(199910)11:15<1307::AID-ADMA1307>3.0.CO
[9]  
2-H
[10]   α-alumina-supported nickel catalysts prepared with nickel acetylacetonate.: 2.: A study of the thermolysis of the metal precursor [J].
Molina, R ;
Poncelet, G .
JOURNAL OF PHYSICAL CHEMISTRY B, 1999, 103 (51) :11290-11296