Abstract
Nanoporous silica was synthesized by using synthetic block copolypeptide Phe 20 -b-PBLG 50 as a template under ambient conditions. Anilino-methyl triethoxy silane (AMTS) was used as an intermedium to interact with block copolypeptide Phe 20 -b-PBLG 50 through π-π interaction between the phenyl groups of block copolypeptide and AMTS. Meanwhile, AMTS co-condenses together with tetraethyl orthosilicate (TEOS) after hydrolysis. The structure of complex 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 micropores could be ascribed to the secondary structure of block copolypeptide and small molecular amine. Our results suggest a new avenue to synthesize porous oxide materials with novel interior structures with the aid of copolypeptide self-assembly under ambient conditions.
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