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Periodic Mesoporous Organosilicas: Self‐Assembly from Bridged Cyclic Silsesquioxane Precursors
Author(s) -
Landskron Kai,
Ozin Geoffrey A.
Publication year - 2005
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.200462279
Subject(s) - silsesquioxane , mesoporous organosilica , mesoporous material , copolymer , materials science , self assembly , block (permutation group theory) , nanotechnology , chemical engineering , chemistry , mesoporous silica , organic chemistry , catalysis , polymer , composite material , mathematics , engineering , geometry
No holes barred : Trimethylene‐bridged 1 can be prepared from [{SiCH 2 (OEt) 2 } 3 ]. Compound 1 can be directed to self‐assemble by a tri‐block copolymer template to form a periodic mesoporous organosilica with highly ordered and uniform‐diameter mesopores in which practically all the building blocks remain intact within the as‐synthesized and template‐extracted material.
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