Preparation of mesoporous silica monoliths with ordered arrays of macrochannels templated from electric-field-oriented hydrogels

被引：19
|
作者：
Giunta, PR [1 ]
Washington, RP [1 ]
Campbell, TD [1 ]
Steinbock, O [1 ]
Stiegman, AE [1 ]
机构：
[1] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 12期
关键词：
gels; materials science; mesoporous materials; polymerization; silicon;
D O I：
10.1002/anie.200352813
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Silica monoliths with ordered arrays of micrometer-scale columns were fabricated from polyacrylamide gel templates. The preparation of the template involves the charged comonomer, N-acryloyl glycine, and is controlled by an externally applied electric field. This approach gives rise to the self-organization of columnar density patterns in the template (left; bar = 10μm) that are recovered in the silica monoliths upon impregnation with tetramethylorthosilicate and subsequent calcination (right).
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收藏
页码：1505 / 1507
页数：3
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