Issue 6, 2013
From the journal:

Polymer Chemistry

Photocontrolled reversible supramolecular assemblies of a diblock azo-copolymer based on β-cyclodextrin–Azo host–guest inclusion complexation†

Shaohua Wang,a   Qiongxia Shen,a   Mian Hasnain Nawaza  and  Weian Zhang*a  

* Corresponding authors

a Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
E-mail: wazhang@ecust.edu.cn

Abstract

The double hydrophobic block copolymer, poly[6-(4-(phenyldiazenyl)phenoxy)hexyl acrylate]-b-polystyrene (PAzo-b-PS), was synthesized by reversible addition–fragmentation chain transfer (RAFT) polymerization. This hydrophobic block copolymer can self-assemble into spherical micelles through β-cyclodextrin–azobenzene (β-CD–Azo) host–guest inclusion. Furthermore, the spherical micelles can be dissociated and reassembled by alternating irradiation of UV/visible light. These supramolecular self-assembly and disassembly procedures were studied by dynamic light scattering (DLS), atomic force microscopy (AFM), transmission electron microscopy (TEM) and UV-Vis spectra.

Graphical abstract: Photocontrolled reversible supramolecular assemblies of a diblock azo-copolymer based on β-cyclodextrin–Azo host–guest inclusion complexation

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Article information

DOI
https://doi.org/10.1039/C3PY21148G
Article type
Paper
Submitted
25 Dec 2012
Accepted
19 Jan 2013
First published
04 Feb 2013

Polym. Chem., 2013,4, 2151-2157

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Photocontrolled reversible supramolecular assemblies of a diblock azo-copolymer based on β-cyclodextrin–Azo host–guest inclusion complexation

S. Wang, Q. Shen, M. H. Nawaz and W. Zhang, Polym. Chem., 2013, 4, 2151 DOI: 10.1039/C3PY21148G

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