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Tuning the Structure and Orientation of Hexagonally Ordered Mesoporous Channels in Anodic Alumina Membrane Hosts: A 2D Small‐Angle X‐ray Scattering Study
Author(s) -
Platschek Barbara,
Petkov Nikolay,
Bein Thomas
Publication year - 2006
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.200503301
Subject(s) - materials science , mesoporous material , transmission electron microscopy , mesoporous silica , hexagonal crystal system , scattering , small angle x ray scattering , anode , membrane , chemical engineering , orientation (vector space) , scanning electron microscope , pulmonary surfactant , crystallography , nanotechnology , composite material , optics , electrode , chemistry , geometry , organic chemistry , biochemistry , physics , mathematics , engineering , catalysis
Circular or columnar orientations of mesoporous silica can be selectively prepared by tuning the silica‐to‐surfactant ratio and the humidity during the synthesis of the mesoporous material within the regular larger channels of anodic alumina membranes. The transmission electron microscopy image shows the circular orientation of these highly ordered hexagonal mesostructures.