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Nanostructured Silica‐Based Organic–Inorganic Hybrid Materials—Evidence for Self‐Organization of a Xerogel Prepared by Sol–Gel Polymerization
Author(s) -
Boury Bruno,
Corriu Robert J. P.,
Le Strat Valérie,
Delord Pierre,
Nobili Maurizio
Publication year - 1999
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/(sici)1521-3773(19991102)38:21<3172::aid-anie3172>3.0.co;2-3
Subject(s) - sol gel , birefringence , condensation polymer , polymerization , materials science , isotropy , hydrolysis , anisotropy , chemical engineering , hybrid material , range (aeronautics) , polymer chemistry , polymer , organic chemistry , composite material , nanotechnology , chemistry , optics , physics , engineering
A hydrolytic polycondensation reaction of a rigid, rodlike nonmesomorphous precursor leads to an isotropic sol and then an anisotropic birefringent xerogel (see scheme). Optical and X‐ray structural analyses demonstrate a short‐range order and the possibility of a crystalline order.