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Issue 44, 2018
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Photoresponsive supramolecular polymers based on quadruple hydrogen-bonding and a photochromic azobenzene motif

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Abstract

A photoresponsive quadruple hydrogen-bonded supramolecular polymer was constructed using photochromic azobenzene and ureidopyrimidinone motifs. The E-isomer of azobenzene preferred to form linear supramolecular polymers and further aggregate as its concentration increased. After irradiation with UV light, the E-isomer was converted into the Z-isomer, and the Z-isomer could also self-assemble into supramolecular polymers with a relatively low degree of polymerization. Moreover, supramolecular polymer films were fabricated by a solution casting process. These supramolecular polymers showed highly reversible trans/cis photoisomerization in both solutions and films under alternating UV and visible light irradiation.

Graphical abstract: Photoresponsive supramolecular polymers based on quadruple hydrogen-bonding and a photochromic azobenzene motif

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Publication details

The article was received on 17 Aug 2018, accepted on 17 Oct 2018 and first published on 19 Oct 2018


Article type: Paper
DOI: 10.1039/C8PY01217B
Citation: Polym. Chem., 2018,9, 5395-5401
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    Photoresponsive supramolecular polymers based on quadruple hydrogen-bonding and a photochromic azobenzene motif

    S. Tan, Y. Sha, T. Zhu, M. A. Rahman and C. Tang, Polym. Chem., 2018, 9, 5395
    DOI: 10.1039/C8PY01217B

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