Issue 33, 2015

Rigidity-induced emission enhancement of network polymers crosslinked by tetraphenylethene derivatives

Abstract

In this paper, we prepared various network polymers with crosslinkers having two or four acryloyl groups derived from an AIE luminogen, and investigated the relationship between the rigidity of network polymers and emission behaviour. The crosslinkers showed representative AIE properties. A conventional radical polymerization with various vinyl monomers produced corresponding network polymers. The variation of vinyl monomers or the crosslinkers allowed us to obtain network polymers with different rigidities. Fluorescence spectroscopy of the network polymers revealed rigidity dependent emission enhancement accompanying the hypsochromic shift. In addition, the network polymer showed temperature and solvent dependent emission behaviour. The crosslinker with less crosslinkable substituents showed higher susceptibility toward the environmental conditions such as rigidity, temperature, and solvent.

Graphical abstract: Rigidity-induced emission enhancement of network polymers crosslinked by tetraphenylethene derivatives

Supplementary files

Article information

Article type
Paper
Submitted
02 Jun 2015
Accepted
15 Jul 2015
First published
15 Jul 2015

J. Mater. Chem. C, 2015,3, 8504-8509

Author version available

Rigidity-induced emission enhancement of network polymers crosslinked by tetraphenylethene derivatives

K. Kokado, R. Taniguchi and K. Sada, J. Mater. Chem. C, 2015, 3, 8504 DOI: 10.1039/C5TC01597A

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