A simple route to bimodal mesoporous silica via tetrafluoroborate ion-mediated hydrophobic transformation of template micellar surface

被引:16
作者
Okabe, A
Niki, M
Fukushima, T
Aida, T
机构
[1] Japan Sci & Technol Agcy, Aida Nanospace Project, ERATO, Koto Ku, Tokyo 1350064, Japan
[2] Univ Tokyo, Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan
关键词
D O I
10.1039/b500348b
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
Addition of NaBF4 to an aqueous solution of an onium ion surfactant results in the in situ generation of large aggregates of micelles, which template the formation of secondary pores in the sol-gel synthesis of mesoporous silica.
引用
收藏
页码:1329 / 1331
页数:3
相关论文
共 15 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]   SORPTION PROPERTIES OF ZEOLITE-OMEGA [J].
CHAUVIN, B ;
FAJULA, F ;
FIGUERAS, F ;
GUEGUEN, C ;
BOUSQUET, J .
JOURNAL OF CATALYSIS, 1988, 111 (01) :94-105
[3]   From microporous to mesoporous molecular sieve materials and their use in catalysis [J].
Corma, A .
CHEMICAL REVIEWS, 1997, 97 (06) :2373-2419
[4]   Functionalized monolayers on ordered mesoporous supports [J].
Feng, X ;
Fryxell, GE ;
Wang, LQ ;
Kim, AY ;
Liu, J ;
Kemner, KM .
SCIENCE, 1997, 276 (5314) :923-926
[5]   Remarkable effect of pore size on the catalytic activity of mesoporous silica for the acetalization of cyclohexanone with methanol [J].
Iwamoto, M ;
Tanaka, Y ;
Sawamura, N ;
Namba, S .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (43) :13032-13033
[6]   Extrusion polymerization: Catalyzed synthesis of crystalline linear polyethylene nanofibers within a mesoporous silica [J].
Kageyama, K ;
Tamazawa, J ;
Aida, T .
SCIENCE, 1999, 285 (5436) :2113-2115
[7]   Hierarchical porous silica materials with a trimodal pore system using surfactant templates [J].
Kuang, DB ;
Brezesinski, T ;
Smarsly, B .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (34) :10534-10535
[8]   Meso/macroporous inorganic oxide monoliths from polymer foams [J].
Maekawa, H ;
Esquena, J ;
Bishop, S ;
Solans, C ;
Chmelka, BF .
ADVANCED MATERIALS, 2003, 15 (7-8) :591-596
[9]   Tetrafluoroborate salts as site-selective promoters for sol-gel synthesis of mesoporous silica [J].
Okabe, A ;
Fukushima, T ;
Ariga, K ;
Niki, M ;
Aida, T .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (29) :9013-9016
[10]   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