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

被引:219
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
[11]  
Meyer U, 2002, ADV MATER, V14, P1768, DOI 10.1002/1521-4095(20021203)14:23<1768::AID-ADMA1768>3.0.CO
[12]  
2-0
[13]   Textural mesoporosity and the catalytic activity of mesoporous molecular sieves with wormhole framework structures [J].
Pauly, TR ;
Liu, Y ;
Pinnavaia, TJ ;
Billinge, SJL ;
Rieker, TP .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1999, 121 (38) :8835-8842
[14]   Catalytic nanoarchitectures - The importance of nothing and the unimportance of periodicity [J].
Rolison, DR .
SCIENCE, 2003, 299 (5613) :1698-1701
[15]   Use of spray-dried zirconia microspheres in the separation of immunoglobulins from cell culture supernatant [J].
Subramanian, A ;
Carr, PW ;
McNeff, CV .
JOURNAL OF CHROMATOGRAPHY A, 2000, 890 (01) :15-23
[16]   Synthesis of tailored bimodal mesoporous materials with independent control of the dual pore size distribution [J].
Sun, JH ;
Shan, ZP ;
Maschmeyer, T ;
Moulijn, JA ;
Coppens, MO .
CHEMICAL COMMUNICATIONS, 2001, (24) :2670-2671
[17]   SONOCHEMICAL SYNTHESIS OF AMORPHOUS IRON [J].
SUSLICK, KS ;
CHOE, SB ;
CICHOWLAS, AA ;
GRINSTAFF, MW .
NATURE, 1991, 353 (6343) :414-416
[18]   Synthesis of mesoporous TiO2 spheres under static condition [J].
Wang, LZ ;
Tomura, S ;
Maeda, M ;
Ohashi, F ;
Inukai, K ;
Suzuki, M .
CHEMISTRY LETTERS, 2000, (12) :1414-1415
[19]   Fe3+ exchanged mesoporous Al-HMS and Al-MCM-41 molecular sieves for selective catalytic reduction of NO with NH3 [J].
Yang, RT ;
Pinnavaia, TJ ;
Li, WB ;
Zhang, WZ .
JOURNAL OF CATALYSIS, 1997, 172 (02) :488-493
[20]   Direct sonochemical preparation and characterization of highly active mesoporous TiO2 with a bicrystalline framework [J].
Yu, JC ;
Zhang, LZ ;
Yu, JG .
CHEMISTRY OF MATERIALS, 2002, 14 (11) :4647-4653