A sonochemical approach to hierarchical porous titania spheres with enhanced photocatalytic activity

被引:218
作者
Zhang, LZ
Yu, JC [1 ]
机构
[1] Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Environm Sci Programme, Shatin, Hong Kong, Peoples R China
关键词
D O I
10.1039/b306013f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel sonochemical approach has been developed to prepare hierarchical porous titania spheres in the presence of a triblock copolymer; it was found that textural meso- and macro-porosity could enhance the photocatalytic activity of mesoporous TiO2.
引用
收藏
页码:2078 / 2079
页数:2
相关论文
共 22 条
[1]   Bimodal pore systems in non-ionically templated [Si]-MSU-X mesoporous silica through biomimetic synthesis in weakly ionic solutions [J].
Bagshaw, SA .
CHEMICAL COMMUNICATIONS, 1999, (18) :1785-1786
[2]   TEMPLATING OF MESOPOROUS MOLECULAR-SIEVES BY NONIONIC POLYETHYLENE OXIDE SURFACTANTS [J].
BAGSHAW, SA ;
PROUZET, E ;
PINNAVAIA, TJ .
SCIENCE, 1995, 269 (5228) :1242-1244
[3]   Mercury(II) ion adsorption behavior in thiol-functionalized mesoporous silica microspheres [J].
Bibby, A ;
Mercier, L .
CHEMISTRY OF MATERIALS, 2002, 14 (04) :1591-1597
[4]   Synthesis of hierarchical porous silicas with a controlled pore size distribution at various length scales [J].
Coppens, MO ;
Sun, JH ;
Maschmeyer, T .
CATALYSIS TODAY, 2001, 69 (1-4) :331-335
[5]   General synthesis of mesoporous spheres of metal oxides and phosphates [J].
Dong, AG ;
Ren, N ;
Tang, Y ;
Wang, YJ ;
Zhang, YH ;
Hua, WM ;
Gao, Z .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (17) :4976-4977
[6]  
Haskouri J. E., 2002, CHEM COMMUN, P330, DOI DOI 10.1039/B110883B
[7]   Synthesis of porous titania microspheres for HPLC packings by polymerization-induced colloid aggregation (PICA) [J].
Jiang, ZT ;
Zuo, YM .
ANALYTICAL CHEMISTRY, 2001, 73 (03) :686-688
[8]   EFFECT OF PEPTIZATION ON DENSIFICATION AND PHASE-TRANSFORMATION BEHAVIOR OF SOL GEL-DERIVED NANOSTRUCTURED TITANIA [J].
KUMAR, KNP ;
KUMAR, J ;
KEIZER, K .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1994, 77 (05) :1396-1400
[9]   A facile synthesis of bimodal mesoporous silica and its replication for bimodal mesoporous carbon [J].
Lee, J ;
Kim, J ;
Hyeon, T .
CHEMICAL COMMUNICATIONS, 2003, (10) :1138-1139
[10]   Aerosol-assisted self-assembly of mesostructured spherical nanoparticles [J].
Lu, YF ;
Fan, HY ;
Stump, A ;
Ward, TL ;
Rieker, T ;
Brinker, CJ .
NATURE, 1999, 398 (6724) :223-226