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Reference type: Journal
Authors: Yamakita S, Katada N, Niwa M
Article Title: Shape-selective adsorption of substituted benzaldehyde isomers by a molecular sieving silica overlayer prepared by the chemical vapor deposition method using organic template on tin oxide.
Publication date: 2005
Journal: Bulletin of the Chemical Society of Japan
Volume: 78
Issue: (8)
Page numbers: 1425-1430.
DOI: 10.1246/bcsj.78.1425

Abstract: The chemical vapor deposition of a silica overlayer in the presence of template molecules was examined on tin oxide in order to construct surface cavities with a molecular sieving property. On a SiO2/SnO2 sample prepared using a benzaldehyde template, 4-chlorobenzaldehyde and 4-methylbenzaldehyde were adsorbed, while 2-chlorobenzaldehyde and 2-methylbenzaldehyde were not adsorbed. The adsorption of 3-chlorobenzaldehyde was controlled by the thickness of the layer, i.e., the depth of the cavity. It was adsorbed by a shallow cavity, but not by a deep cavity. Thus the shape selectivity due to the shapes of the adsorbate molecule and the cavity was obtained
Template and target information: benzaldehyde

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