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Cubic Mesoporous Silica with Large Controllable Entrance Sizes and Advanced Adsorption Properties
Author(s) -
Fan Jie,
Yu Chengzhong,
Gao Feng,
Lei Jie,
Tian Bozhi,
Wang Limin,
Luo Qian,
Tu Bo,
Zhou Wuzong,
Zhao Dongyuan
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200351027
Subject(s) - template , copolymer , mesoporous silica , sorption , mesoporous material , adsorption , materials science , carbon fibers , replication (statistics) , nanotechnology , mesoporous organosilica , chemical engineering , computer science , chemistry , organic chemistry , mathematics , composite material , polymer , engineering , catalysis , composite number , statistics
Large cavities (≈10–12.3 nm) of cubic ( Fm‐3m ) mesoporous silica without intergrowth are synthesized in the presence of block copolymer templates. The entrance sizes of these cavities can be adjusted in the range of ≈4–9 nm as confirmed by nitrogen sorption studies and an examination of the negative gold replicas. The 3D open mesostructures facilitate the transportation of biomolecules (see picture), as well as the replication of a large‐pore (9 nm) cubic mesoporous carbon.
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