Chain Flexible of Blue Light-emitting Polymer Based on Parallel Spiro-Fluorenexanthene Monomers and Flexible Organic Light-emitting Diodes

Hao Li; Man-man Luo; Shou-jia Zhu; Ai-yun Zhu; Meng-na Yu; Quan-you Feng; Ling-hai Xie

doi:10.11777/j.issn1000-3304.2023.23298

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Chain Flexible of Blue Light-emitting Polymer Based on Parallel Spiro-Fluorenexanthene Monomers and Flexible Organic Light-emitting Diodes

Research Article | 更新时间：2024-06-05

- Chain Flexible of Blue Light-emitting Polymer Based on Parallel Spiro-Fluorenexanthene Monomers and Flexible Organic Light-emitting Diodes
- Acta Polymerica Sinica Vol. 55, Issue 6, Pages: 673-687(2024)
- 作者机构：
  
  1.南京邮电大学信息材料与纳米技术研究院有机电子与信息显示国家重点实验室分子系统与有机器件中心南京 210023
  2.河南大学柔性电子学院河南省柔性电子产业技术研究院郑州 450046
- 作者简介：
  
  Meng-na Yu, E-mail: iammnyu@njupt.edu.cn
  Quan-you Feng, E-mail: iamqyfeng@njupt.edu.cn
  Ling-hai Xie, E-mail: iamlhxie@njupt.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2023.23298
  CLC：
- Published：20 June 2024，
  
  Published Online：27 March 2024，
  
  Received：27 December 2023，
  
  Accepted：02 February 2024
- 稿件说明：
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李昊, 罗曼曼, 祝守加, 朱爱云, 虞梦娜, 冯全友, 解令海. 基于并环螺芴氧杂蒽类单体的链柔性化蓝光聚合物及其柔性有机发光二极管. 高分子学报, 2024, 55(6), 673-687

Li, H.; Luo, M. M.; Zhu, S. J.; Zhu, A. Y.; Yu, M. N.; Feng, Q. Y.; Xie, L. H. Chain flexible of blue light-emitting polymer based on parallel spiro-fluorenexanthene monomers and flexible organic light-emitting diodes. Acta Polymerica Sinica, 2024, 55(6), 673-687
李昊, 罗曼曼, 祝守加, 朱爱云, 虞梦娜, 冯全友, 解令海. 基于并环螺芴氧杂蒽类单体的链柔性化蓝光聚合物及其柔性有机发光二极管. 高分子学报, 2024, 55(6), 673-687 DOI： 10.11777/j.issn1000-3304.2023.23298.

Li, H.; Luo, M. M.; Zhu, S. J.; Zhu, A. Y.; Yu, M. N.; Feng, Q. Y.; Xie, L. H. Chain flexible of blue light-emitting polymer based on parallel spiro-fluorenexanthene monomers and flexible organic light-emitting diodes. Acta Polymerica Sinica, 2024, 55(6), 673-687 DOI： 10.11777/j.issn1000-3304.2023.23298.

摘要

螺芴氧杂蒽作为一类重要的宽带隙蓝光材料功能砌块，常被用于构筑具有优异光电性能和器件稳定性的聚合物半导体，但螺芴氧杂蒽类聚合物柔性化的构筑却很少被报道. 基于此，本文报道了高效合成单螺环/并环螺芴氧杂蒽类单体及其蓝光聚合物，包括均聚物PC

SFX-Homo、PDSFX-Homo和共聚物PC

SFX-Co、PDSFX-Co，其中并环聚合物(PLQY

sol

=88.2%，EQE

max

=0.52%)无论是发光效率还是柔性器件性能均明显优于单螺环体系(PLQY

sol

=11.1%，EQE

max

=0.17%). 且并环聚合物表现出更低的内部应力. 同时通过主链柔性化策略引入柔性链段共聚在获得更优柔性的同时能够获得更优异的发光性能和更好的柔性发光二极管器件性能. 该工作为构建柔性电子应用的宽带隙深蓝光聚合物及其柔性发光显示器件应用提供了新的思路.

Abstract

Polymer semiconductor has been widely concerned because of its advantages such as easy to adjust structure and large area solution processing

which can meet the needs of light

thin

soft and transparent flexible electrons. Spiro-fluorenexanthene

as an important functional block of wide-band gap blue light materials

which is often used to construct polymer semiconductors with

excellent photoelectric properties and device stability. However

the construction of flexible spiro-fluorenexanthene polymers has rarely been reported. Based on this

this paper reports the efficient synthesis of single/parallel spiro-fluorenexanthene monomers and their blue light-emitting polymers

which include homopolymer PC

SFX-Homo

PDSFX-Homo and copolymers PC

SFX-Co and PDSFX-Co. The parallel spiro-fluorenexanthene polymer (PLQY

sol

=88.2%

EQE

max

=0.52%) is significantly superior to the single spiro-fluorenexanthene system (PLQY

sol

=11.1% EQE

max

=0.17%) in terms of luminous efficiency and flexible device performance. Moreover

the parallel spiro-fluorenexanthene polymer exhibit lower internal stresses. At the same time

introducing the flexible chain segment copolymerization through the main chain flexibility strategy can obtain better flexibility and performance of flexible LED devices. This work provides a new idea for the construction of wide-band gap deep blue light-emitting polymer for the application of flexible electronic and flexible light-emitting display devices.

关键词

螺芴氧杂蒽蓝光聚合物链柔性化力学行为柔性有机发光二极管

Keywords

Spiro-fluorenexantheneBlue light-emitting polymerChain flexibilityMechanical behaviorFlexible organic light-emitting diodes

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Related Author

Hao Li

Man-man Luo

Shou-jia Zhu

Ai-yun Zhu

Meng-na Yu

Quan-you Feng

Ling-hai Xie

Related Institution

Centre for Molecular Systems and Organic Devices State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials, Nanjing University of Posts & Telecommunications

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