氢键侧链修饰共轭聚合物骨架的自愈合发光弹性体的设计合成与性能研究

万一; 李祥春; 薛倩; 赖文勇

doi:10.11777/j.issn1000-3304.2024.24011

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氢键侧链修饰共轭聚合物骨架的自愈合发光弹性体的设计合成与性能研究

研究论文 | 更新时间：2024-06-05

- 氢键侧链修饰共轭聚合物骨架的自愈合发光弹性体的设计合成与性能研究
  增强出版
- Design, Synthesis and Properties of Self-healing Luminescent Elastomers with Hydrogen-bonded Side-chain-modified Conjugated Polymer Backbones
- 高分子学报 2024年55卷第6期页码：688-697
- 作者机构：
  
  有机电子与信息显示国家重点实验室南京邮电大学化学与生命科学学院南京 210023
- 作者简介：
  
  E-mail: iamwylai@njupt.edu.cn
- 基金信息：
  
  国家重点研发计划(2023YFB3608904);国家自然科学基金(基金号 ┣21835003;21674050);62005126,61704077┫;江苏省创新计划(KYCX185_0850)
- DOI：10.11777/j.issn1000-3304.2024.24011
  中图分类号：
- 纸质出版日期：2024-06-20，
  
  网络出版日期：2024-04-08，
  
  收稿日期：2024-01-14，
  
  录用日期：2024-02-02
- 稿件说明：
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万一, 李祥春, 薛倩, 赖文勇. 氢键侧链修饰共轭聚合物骨架的自愈合发光弹性体的设计合成与性能研究. 高分子学报, 2024, 55(6), 688-697

Wan， Y.; Li, X. C.; Xue, Q.; Lai, W. Y. Design, synthesis and properties of self-healing luminescent elastomers with hydrogen-bonded side-chain-modified conjugated polymer backbones. Acta Polymerica Sinica, 2024, 55(6), 688-697
万一, 李祥春, 薛倩, 赖文勇. 氢键侧链修饰共轭聚合物骨架的自愈合发光弹性体的设计合成与性能研究. 高分子学报, 2024, 55(6), 688-697 DOI： 10.11777/j.issn1000-3304.2024.24011.

Wan， Y.; Li, X. C.; Xue, Q.; Lai, W. Y. Design, synthesis and properties of self-healing luminescent elastomers with hydrogen-bonded side-chain-modified conjugated polymer backbones. Acta Polymerica Sinica, 2024, 55(6), 688-697 DOI： 10.11777/j.issn1000-3304.2024.24011.

摘要

基于共轭聚合物骨架的自愈合弹性体对于可拉伸电子至关重要. 本文工作通过氢键侧链来调控共轭聚合物的机械性能以及自愈性能，同时确保发光共轭聚合物保持固有的光物理特性. 设计并制备了高性能的可拉伸自愈合发光弹性体，其机械拉伸长度接近900%，常温下的自愈效率达到70%，且发光量子效率超过60%. 这种发光弹性体在经历400%的拉伸形变并回复后，不仅机械性能能够恢复，光物理性质也恢复如初. 利用该弹性体，制备了多功能的光电器件.

Abstract

Traditional optoelectronic devices suffer from loss of performance due to prolonged use

unavoidable deformation and fracture. To address this issue

it is significant to develop optoelectronic functional materials with strong mechanical tensile properties and self-healing abilities. Herein

we propose a design strategy for self-healing luminescent elastomers based on conjugated polymer backbones. The mechanical tensile properties and self-healing properties of the conjugated polymer are modulated by flexible hydrogen-bonded side chains

while maintaining the intrinsic photophysical characteristics. The synthesized elastomers exhibit excellent mechanical tensile properties (breaking tensile length: 900%)

room-temperature self-healing properties (self-healing efficiency: 70%)

and high fluorescence quantum efficiency (66%). Importantly

the photophysical properties of the elastomer were essentially fully recovered after undergoing 400% tensile deformation. In addition

we developed multifunctional optoelectronic devices using the prepared elastomers. This study provides a potential design strategy for developing materials for elastic optoelectronic devices.

关键词

柔性电子共轭聚合物氢键自愈合弹性体

Keywords

Flexible electronicsConjugated polymersHydrogen bondsSelf-healing elastomer

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