Precision Synthesis of Conjugated Polymers

Bo-wei Ma; Qin-qin Shi; Hui Huang

doi:10.11777/j.issn1000-3304.2022.22432

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Precision Synthesis of Conjugated Polymers

Feature Article | 更新时间：2023-05-31

- Precision Synthesis of Conjugated Polymers
- ACTA POLYMERICA SINICA Vol. 54, Issue 6, Pages: 791-802(2023)
- 作者机构：
  
  中国科学院大学材料科学与光电技术学院北京 100049
- 作者简介：
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2022.22432
  CLC：
- Published：20 June 2023，
  
  Published Online：17 February 2023，
  
  Received：13 December 2022，
  
  Accepted：17 January 2023
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马博维,史钦钦,黄辉.共轭高分子的精准合成[J].高分子学报,2023,54(06):791-802.

Ma Bo-wei,Shi Qin-qin,Huang Hui.Precision Synthesis of Conjugated Polymers[J].ACTA POLYMERICA SINICA,2023,54(06):791-802.
马博维,史钦钦,黄辉.共轭高分子的精准合成[J].高分子学报,2023,54(06):791-802. DOI： 10.11777/j.issn1000-3304.2022.22432.

Ma Bo-wei,Shi Qin-qin,Huang Hui.Precision Synthesis of Conjugated Polymers[J].ACTA POLYMERICA SINICA,2023,54(06):791-802. DOI： 10.11777/j.issn1000-3304.2022.22432.

摘要

共轭高分子由于带隙容易调控、柔性、可溶液加工等优异性能，在有机光电领域具有重要的应用前景. 然而，聚合物普遍存在批次重现性差、结构缺陷多等问题，限制了聚合物的应用及发展. 本文总结了聚合物的结构缺陷，通过回顾本课题组以及国内外同行近几年的前沿工作，详细分析了共轭高分子材料均聚结构缺陷产生的原因和机理，同时介绍了目前较为常用的表征结构缺陷的方法，以及此类缺陷对器件性能的影响. 另外，还分析了当前3种合成共轭高分子材料的经典方法：Stille、Suzuki和直接芳基化聚合反应，介绍了这些方法在聚合物精准合成方面的前瞻性方法学的最新成果，并对本领域的发展进行了展望.

Abstract

Semiconducting polymers

especially

-conjugated donor-acceptor (D-A) copolymers with defect-free alternating structures

are essential materials for plastic electronics and optoelectronics owing to their advantages of variable/tunable chemical structures

tunable bandgaps and optical absorptions

excellent charge transport mobility

mechanical flexibility

and solution processability for printing. However

the drawbacks including batch-to-batch reproducibility

structural defects

and

etc

. hindered the commercial application for polymers. Herein

we analyzed the causes of structural defects

especially homocoupling defects in terms of their mechanism of generation by illustrating the example of Stille couplings and the side reactions

the characterization methods

including matrix-assisted laser desorption/ionization (MALDI)

nuclear magnetic resonance (NMR)

gel permeation chromatography (GPC) as well as ultraviolet-visible (UV-Vis) spectra

and the impact of defects on device performance by investigating the pioneering studies of this field within 5 years. Afterwards

three significant types of polymerizations to achieve copolymers with minimized structural defects have been illustrated separately

including Stille polymerization

Suzuki polymerization and direct arylation polymerization (DArP). From the synthetic perspective

the methodologies for the precision synthesis of conjugated polymers are in high demands and will pave the road for the development of organic electronics.

关键词

共轭高分子精准合成均聚结构缺陷器件性能

Keywords

Conjugated polymersPrecision synthesisHomocoupling defectsDevice performance

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中国科学技术大学中国科学院软物质化学重点实验室高分子科学与工程系

合肥微尺度物质科学国家研究中心

Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology

College of Chemistry, Beijing Normal University

School of Material Science and Engineering, Tianjin University

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