Tunable Supramolecular Assembly and Photoswitchable Conversion of Cyclodextrin/Diphenylalanine‐Based 1D and 2D Nanostructures | Zendy

Sun HeLue | Zendy; Chen Yong | Zendy; Han Xu | Zendy; Liu Yu | Zendy

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Tunable Supramolecular Assembly and Photoswitchable Conversion of Cyclodextrin/Diphenylalanine‐Based 1D and 2D Nanostructures

Author(s) -

Sun HeLue,

Chen Yong,

Han Xu,

Liu Yu

Publication year - 2017

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201612629

Subject(s) - azobenzene , supramolecular chemistry , nanosheet , isomerization , cyclodextrin , nanostructure , nanotube , nanotechnology , materials science , supramolecular chirality , supramolecular catalysis , self assembly , supramolecular assembly , photoisomerization , chemistry , combinatorial chemistry , crystallography , catalysis , molecule , organic chemistry , crystal structure , carbon nanotube

A photocontrolled, interconvertible supramolecular 2D‐nanosheet/1D‐nanotube system was constructed through the supramolecular assembly of adamantanyl‐modified diphenylalanine with azobenzene‐bridged bis(β‐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(β‐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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