AGGREGATION-INDUCED EMISSION ENHANCEMENT IN POLY(PHENYLENE-ETHYNYLENE)S BEARING ANILINE GROUPS

Yang Liu; Xiao Feng; Jian-bing Shi; Jun-ge Zhi; Bin Tong; Yu-ping Dong

doi:10.1007/s10118-012-1135-1

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AGGREGATION-INDUCED EMISSION ENHANCEMENT IN POLY(PHENYLENE-ETHYNYLENE)S BEARING ANILINE GROUPS

PAPER | Updated：2023-01-03

- AGGREGATION-INDUCED EMISSION ENHANCEMENT IN POLY(PHENYLENE-ETHYNYLENE)S BEARING ANILINE GROUPS
- Chinese Journal of Polymer Science Vol. 30, Issue 3, Pages: 443-450(2012)
- Affiliations：
  
  a.College of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
  b.College of Science, Beijing Institute of Technology, Beijing 100081, China
- Author bio：
  
  **Jian-bing Shi (石建兵), E-mail: bing@bit.edu.cn
  Yu-ping Dong (董宇平), E-mail: chdongyp@bit.edu.cn
- Funds：
- DOI：10.1007/s10118-012-1135-1
  CLC：
- Received：20 June 2011，
  
  Revised：2011-08-16，
  
  Accepted：18 August 2011，
  
  Published：2012-05
- Accepted：
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Yang Liu, Xiao Feng, Jian-bing Shi, et al. AGGREGATION-INDUCED EMISSION ENHANCEMENT IN POLY(PHENYLENE-ETHYNYLENE)S BEARING ANILINE GROUPS[J]. Chinese Journal of Polymer Science, 2012, 30(3): 443-450.
DOI：

Yang Liu, Xiao Feng, Jian-bing Shi, et al. AGGREGATION-INDUCED EMISSION ENHANCEMENT IN POLY(PHENYLENE-ETHYNYLENE)S BEARING ANILINE GROUPS[J]. Chinese Journal of Polymer Science, 2012, 30(3): 443-450. DOI： 10.1007/s10118-012-1135-1.

摘要

Abstract

Poly(phenylene ethynylene)s (P1) with 4-vinylaniline pendant groups were successfully prepared by the Sonogashira coupling polymerization between 1

4-diethynyl-2

5-bis(pentyloxy)benzene and 4-[2-(2

5-dibromophenyl)vinyl]-aniline. In comparison with its analogue P2 without amino group

the emission of P1 is only enhanced by aggregation when adding n-hexane into its THF solution

exhibiting an aggregation-induced emission enhancement (AIEE) effect. When methanol or water instead of hexane was added into THF solution

however

didn’t show AIEE. The results indicated that amino groups strengthen the inter-chain and intra-chain interactions in P1 and restrict the non-radiative energy transition. This strategy can provide a platform for developing highly sensitive and efficient bio- and chemosensors.

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