Synthesis of nanoporous silica with interior composite cells with synthetic block copolypeptide as template
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- 作者：Yuping Liu (1)
Huijing Zhou (1)
Zhurui Shen (1)
Liying Li (1)
Xingdi Zhou (1)
Pingchuan Sun (1)
Zhongyong Yuan (1)
Tiehong Chen (1)
Baohui Li (2)
Datong Ding (2) - 关键词：block copolypeptide ; silica ; π ; π interaction ; nanoporous
- 刊名：Chinese Science Bulletin
- 出版年：2006
- 出版时间：February 2006
- 年：2006
- 卷：51
- 期：4
- 页码：493-497
- 全文大小：7848KB
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Huijing Zhou (1)
Zhurui Shen (1)
Liying Li (1)
Xingdi Zhou (1)
Pingchuan Sun (1)
Zhongyong Yuan (1)
Tiehong Chen (1)
Baohui Li (2)
Datong Ding (2)
1. Department of Materials Chemistry, Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Nankai University, Tianjin, 300071, China
2. College of Physics, Nankai University, Tianjin, 300071, China - ISSN：1861-9541
文摘
Nanoporous silica with unusual interior composite cells was synthesized with synthetic block copolypeptide Phe20-b-PBLG50 as template for the first time. Anilino-methyl triethoxy silane (AMTS) was used as an intermedium to interact with block copolypeptide Phe20-b-PBLG50 through π-π interaction between the phenyl groups of block copolypeptide and those of AMTS. Meanwhile, AMTS co-condenses together with tetraethoxylsilane (TEOS) after hydrolysis. The structure of composite vesicles due to the self-assembly of block copolypeptide in the organic solvent was immobilized and transcribed by the formation of silica. The formation of nanopores could be ascribed to the secondary structure of block copolypeptide and small molecular amine. Our results provide a new avenue to synthesize porous oxide materials with novel interior structures templated by the copolypeptide self-assembly under ambient conditions.