Aligned Conjugated Polymer Nanofiber Networks in an Elastomer Matrix for High-Performance Printed Stretchable Electronics

Huang, Wenliang; Liu, Xinmei; Ding, Zicheng; Wang, Zhongli; Xu, Chenhui; Li, Ruipeng; Wang, Shumei; Wu, Yin; Qin, Ru; Han, Yang; Geng, Yanhou; Liu, Shengzhong Frank; Han, Yanchun; Zhao, Kui

doi:10.1021/acs.nanolett.3c04248

Aligned Conjugated Polymer Nanofiber Networks in an Elastomer Matrix for High-Performance Printed Stretchable Electronics

Journal Article · Mon Dec 18 04:00:00 EST 2023 · Nano Letters

DOI:https://doi.org/10.1021/acs.nanolett.3c04248· OSTI ID:2432565

Huang, Wenliang ^[1]; Liu, Xinmei ^[1]; ^[1]; Wang, Zhongli ^[2]; Xu, Chenhui ^[2]; Li, Ruipeng ^[3]; Wang, Shumei ^[1]; Wu, Yin ^[1]; Qin, Ru ^[1]; ^[2]; ^[2]; ^[1]; ^[4]; ^[1]

Shaanxi Normal University, Xi'an (China)
Tianjin Univ. (China)
Brookhaven National Laboratory (BNL), Upton, NY (United States). National Synchrotron Light Source II (NSLS-II)
Chinese Academy of Sciences (CAS), Changchun (China). Changchun Institute of Applied Chemistry

Conjugated polymer films are promising in wearable X-ray detection. However, achieving optimal film microstructure possessing good electrical and detection performance under large deformation via scalable printing remains challenging. Herein, we report bar-coated high-performance stretchable films based on a conjugated polymer P(TDPP-Se) and elastomer SEBS blend by optimizing the solution-processing conditions. The moderate preaggregation in solution and prolonged growth dynamics from a solvent mixture with limited dissolving capacity is critical to forming aligned P(TDPP-Se) chains/crystalline nanofibers in the SEBS phase with enhanced π–π stacking for charge transport and stress dissipation. The film shows a large elongation at break of >400% and high mobilities of 5.29 cm² V^–1 s^–1 at 0% strain and 1.66 cm² V^–1 s^–1 over 500 stretch–release cycles at 50% strain, enabling good X-ray imaging with a high sensitivity of 1501.52 μC Gy_air^–1 cm^–2. Finally, our work provides a morphology control strategy toward high-performance conjugated polymer film-based stretchable electronics.

View Accepted Manuscript (DOE)

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); 111 Project; National 1000-Talent-Plan Program; Shaanxi Normal University

Grant/Contract Number:: SC0012704

OSTI ID:: 2432565

Report Number(s):: BNL--225943-2024-JAAM

Journal Information:: Nano Letters, Journal Name: Nano Letters Journal Issue: 1 Vol. 24; ISSN 1530-6984

Publisher:: American Chemical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Aligned Conjugated Polymer Nanofiber Networks in an Elastomer Matrix for High-Performance Printed Stretchable Electronics

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