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Issue 14, 2016
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Thermoresponsive AIE polymers with fine-tuned response temperature

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Abstract

A series of thermoresponsive AIE polymers were synthesized through the free radical copolymerization of the thermosensitive N-isopropylacrylamide (NIPAM) monomer, the regulative oligo(ethylene glycol) methacrylate (OEGMA) monomer or methyl methacrylate (MMA) monomer, and the fluorescent tetraphenylethene monomer. By adjusting the loading ratio of NIPAM and OEGMA/MMA, the hydrophilicity of the copolymers can be fine-tuned, which enables further modulation of the lower critical solution temperature (LCST) as well as the detection temperature range. Below the LCST, hydrogen bonds are formed between the polymer chain and water molecules, which leads to good solubility and weak emission of the polymers. Above the LCST, interchain or intrachain hydrogen bonds within polymers are favored to form emissive polymer aggregates.

Graphical abstract: Thermoresponsive AIE polymers with fine-tuned response temperature

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Supplementary files

Article information


Submitted
13 Oct 2015
Accepted
08 Dec 2015
First published
14 Dec 2015

J. Mater. Chem. C, 2016,4, 2964-2970
Article type
Paper
Author version available

Thermoresponsive AIE polymers with fine-tuned response temperature

T. Li, S. He, J. Qu, H. Wu, S. Wu, Z. Zhao, A. Qin, R. Hu and B. Z. Tang, J. Mater. Chem. C, 2016, 4, 2964
DOI: 10.1039/C5TC03298A

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