期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 25, 页码 7062-7065出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201612629
关键词
host-guest complex; isomerization; photochemistry; self-assembly; supramolecular chemistry
资金
- NNSFC [21432004, 21672113, 91527301]
A photocontrolled, interconvertible supramolecular 2D-nanosheet/1D-nanotube system was constructed through the supramolecular assembly of adamantanyl-modified diphenylalanine with azobenzene-bridged bis(beta-cyclodextrin). The nanosheet exhibited a greater fluorescence enhancement effect than the nanotube. Significantly, these nanosheets and nanotubes could interconvert via the photocontrolled trans/cis isomerization of azobenzene linkers in bis(beta-cyclodextrin), and this photo-switchable one-dimensional/two-dimensional morphological interconversion was reversible and recyclable. This enables convenient routes to highly ordered nanostructures with various morphologies and dimensions that can be controlled by external stimuli.
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