Photo-responsive supramolecular polymer based on a CB[5] analogue

Photo-responsive supramolecular polymer based on a CB[5] analogue

A supramolecular polymer was constructed in aqueous solution via the intermolecular recognition between a cucurbit[5]uril-like macrocycle (Me 10 TD[5]) and trans -4,4′-bis(aminomethyl)azobenzene dihydrochloride, whose binding behaviors were confirmed by proton nuclear magnetic resonance ( 1 H NMR),...

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Veröffentlicht in:Colloid and polymer science 2016-07, Vol.294 (7), p.1243-1249
Hauptverfasser: Liu, Jiansen, Jiang, Xiaoqing, Huang, Xinghua, Zou, Lei, Wang, Qiaochun
Format: Artikel
Sprache:eng
Schlagworte:
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Complex Fluids and Microfluidics
Food Science
Nanotechnology and Microengineering
Physical Chemistry
Polymer Sciences
Short Communication
Soft and Granular Matter
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Zusammenfassung:A supramolecular polymer was constructed in aqueous solution via the intermolecular recognition between a cucurbit[5]uril-like macrocycle (Me 10 TD[5]) and trans -4,4′-bis(aminomethyl)azobenzene dihydrochloride, whose binding behaviors were confirmed by proton nuclear magnetic resonance ( 1 H NMR), isothermal titration calorimetry (ITC) and electrospray ionization mass spectrometry (ESI-MS) experiments. The resulting polymer exhibited bending/extending behaviors under alternative UV light irradiations due to the trans / cis isomerization of the azobenzene group. The photo-responsive performance of the polymer was investigated by UV–Vis, transmission electron microscopy (TEM), and dynamic light scattering (DLS) measurements.
ISSN:0303-402X
1435-1536
DOI:10.1007/s00396-016-3876-9