Intrinsically Stretchable Films <italic style="font-style: italic">via</italic> Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes

Ying-Ying Zheng; Zhi-Qiang Zhuo; Ning-Ning Yu; Ming-Jian Ni; Li-Li Sun; Bin Liu; Jing-Yao Ma; You-Tian Tao; Jin-Yi Lin; Man Xu; Wei Huang

doi:10.1007/s10118-026-3718-2

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Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes

RESEARCH ARTICLE | Updated：2026-09-23

- Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes
- Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes
- Chinese Journal of Polymer Science 2026年44卷第10期页码：3287-3296
- Affiliations：
  
  a.State Key Laboratory of Flexible Electronics (LoFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
  b.The Institute of Flexible Electronics (IFE Future Technologies), Xiamen University, Xiamen 361005, China
  c.School of Flexible Electronics (SoFE) & State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Shenzhen 518107, China
  d.School of Flexible Electronics (SoFE), Henan Institute of Flexible Electronics (HIFE), Henan University, Zhengzhou 450046, China
  e.State Key Laboratory of Flexible Electronics (LoFE) and Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China
- Author bio：
  
  iamyttao@njtech.edu.cn (Y.T.T.)
  iamjylin@njtech.edu.cn (J.Y.L.)
  iamdirector@fudan.edu.cn (W.H.)
- Funds：
  
  This work was financially supported by the Basic Research Program of Jiangsu (No. BK20243057) and the Guangdong Basic and Applied Basic Research Foundation (No. 2026A1515010470); W. Huang and J. Lin acknowledge support from the National Natural Science Foundation of China (No. 62288102) and Subsidy Plan for Key Scientific Research Projects of Higher Education Institutions in Henan Province (No. 25A430005).;Wei Huang is an editorial board member for Chinese Journal of Polymer Science and was not involved in the editorial review or the decision to publish this article. The authors declare no interest conflict.Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-026-3718-2.The data supporting the findings of this study are available from the corresponding author upon reasonable request.
- DOI：10.1007/s10118-026-3718-2
  中图分类号：
- 收稿：2026-01-23，
  
  录用：2026-04-16，
  
  网络首发：2026-07-22，
  
  纸质出版：2026-10-05
- Accepted：
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Zheng, Y. Y.; Zhuo, Z. Q.; Yu, N. N.; Ni, M. J.; Sun, L. L.; Liu, B.; Ma, J. Y.; Tao, Y. T.; Lin, J. Y.; Xu, M.; Huang, W. Intrinsically stretchable films via blending conjugated polymer and carbazole semiconductor fluid plasticizer for flexible polymer light-emitting diodes. Chinese J. Polym. Sci. 2026, 44, 3287–3296

Ying-Ying Zheng, Zhi-Qiang Zhuo, Ning-Ning Yu, et al. Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes[J]. Chinese Journal of Polymer Science, 2026, 44(10): 3287-3296. DOI: 10.1007/s10118-026-3718-2.
Zheng, Y. Y.; Zhuo, Z. Q.; Yu, N. N.; Ni, M. J.; Sun, L. L.; Liu, B.; Ma, J. Y.; Tao, Y. T.; Lin, J. Y.; Xu, M.; Huang, W. Intrinsically stretchable films via blending conjugated polymer and carbazole semiconductor fluid plasticizer for flexible polymer light-emitting diodes. Chinese J. Polym. Sci. 2026, 44, 3287–3296 DOI： 10.1007/s10118-026-3718-2.

Ying-Ying Zheng, Zhi-Qiang Zhuo, Ning-Ning Yu, et al. Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes[J]. Chinese Journal of Polymer Science, 2026, 44(10): 3287-3296. DOI: 10.1007/s10118-026-3718-2. DOI：

摘要

A carbazole-based fluid plasticizer boosts F8BT film stretchability (fracture strain 18%→44%) and maintains electroluminescence efficiency under strain for flexible electronics.

Abstract

Fully

-conjugated polymers are promising for flexible optoelectronics; however

their inherent brittleness poses a challenge for achieving high-performance flexible electronic devices. In this study

we developed a carbazole-based semiconductor fluid plasticizer

TODPFCZ

to simultaneously enhance the stretchability and optoelectronic properties of poly(9

9-di-n-octylfluorene-

alt

-benzothiadiazole) (F8BT) films using an external plasticizing strategy. The fluid TODPFCZ molecules incorporated into the F8BT matrix disrupted interchain

stacking and crystallinity

which significantly enhanced the stretchability

increasing the fracture strain from 18% to 44% and the crack-onset strain from 5% to 35%. Owing to the efficient energy transfer from TODPFCZ to F8BT

polymer light-emitting diodes (PLEDs) based on the optimized blend films showed stable electroluminescence and maintained efficiency even after being pre-strained up to 15%

revealing outstanding stress tolerance. The blended films also exhibited excellent recoverability and thermoplasticity. This study demonstrates that carbazole-based semiconductor fluid plasticizers provide a versatile and effective pathway for designing high-performance

intrinsically stretchable

fully

-conjugated polymers for durable flexible electronics.

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Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes

Intrinsically Stretchable Films via Blending Conjugated Polymer and Carbazole Semiconductor Fluid Plasticizer for Flexible Polymer Light-emitting Diodes

DOI：10.1007/s10118-026-3718-2

摘要

Abstract

关键词

Keywords

references