Modification of Side Chains of Conjugated Polymers for Applications in Organic Field-effect Transistors

Xiao-rui REN; Ming-cong QIN; Yu-bei ZHANG; He-hua LIU; Zhe JIANG

doi:10.14028/j.cnki.1003-3726.2020.12.006

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Modification of Side Chains of Conjugated Polymers for Applications in Organic Field-effect Transistors

更新时间：2022-08-31

- Modification of Side Chains of Conjugated Polymers for Applications in Organic Field-effect Transistors
- Polymer Bulletin Vol. 33, Issue 12, Pages: 42-50(2020)
- 作者机构：
  
  1.中国科学院大学化学科学学院,北京 100049
  2.中国科学院化学研究所,北京 100190
  3.中国科学院大学材料科学与光电技术学院,北京 100049
  4.中国科学院空间应用工程与技术中心,北京 100094
  5.中国科学院广州化学研究所,广州 510640
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2020.12.006
  CLC：
- Published：20 December 2020，
  
  Received：23 September 2019，
  
  Revised：26 October 2020，
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Xiao-rui REN, Ming-cong QIN, Yu-bei ZHANG, He-hua LIU, Zhe JIANG. Modification of Side Chains of Conjugated Polymers for Applications in Organic Field-effect Transistors. [J]. Polymer Bulletin 33(12):42-50(2020)
DOI：

Xiao-rui REN, Ming-cong QIN, Yu-bei ZHANG, He-hua LIU, Zhe JIANG. Modification of Side Chains of Conjugated Polymers for Applications in Organic Field-effect Transistors. [J]. Polymer Bulletin 33(12):42-50(2020) DOI： 10.14028/j.cnki.1003-3726.2020.12.006.

摘要

聚合物场效应晶体管在柔性显示和可穿戴电子设备等领域具有重要应用前景。其中

高性能聚合物半导体材料的设计与合成是本领域重点研究方向。大量研究表明

共轭聚合物半导体材料的侧链不仅能够增加溶解性

还会影响高分子链的排列取向和堆积方式

进而影响半导体薄膜的形貌和性能。本文综述了近几年关于共轭聚合物侧链改性的研究进展

包括改变侧链长度或位置、改变支点位置、用直链取代支链、用官能团修饰侧链等方面。重点介绍了侧链改性对共轭聚合物结晶过程及电荷传输性能的影响

并对仍未解决的问题和发展方向进行了展望。

Abstract

Polymer field-effect transistors (PFETs) have been extensively studied because of their potential applications in flexible display and wearable electronic devices. Particularly

the design and synthesis of high-performance polymers has become the focus of academic research. A number of studies have shown that the side chains of conjugated polymers not only endow solubility

but also affect the alignment orientation and stacking mode of polymer chains

thus affecting the morphology and properties of semiconductor films. In this mini-review

the recent progress of modification of side chains of conjugated polymers is introduced

including changing the length of side chains

changing the position of side chains

changing the branching position

replacing one bulky branching chain with a linear one

and modifying side chains with functional groups. In addition

the effects of side chain modification on the crystallization process and device performance are highlighted and the future development for in-depth understanding of the side chain effect is discussed.

关键词

场效应晶体管共轭聚合物侧链改性链间堆积

Keywords

OFETsConjugated polymersModification of side chainsIntermolecular/interchain packing

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