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A design strategy for high mobility stretchable polymer semiconductors

Author

Listed:
  • Jaewan Mun

    (Stanford University)

  • Yuto Ochiai

    (Stanford University
    Yamagata University)

  • Weichen Wang

    (Stanford University)

  • Yu Zheng

    (Stanford University)

  • Yu-Qing Zheng

    (Stanford University)

  • Hung-Chin Wu

    (Stanford University)

  • Naoji Matsuhisa

    (Stanford University
    Keio University)

  • Tomoya Higashihara

    (Yamagata University)

  • Jeffrey B.-H. Tok

    (Stanford University)

  • Youngjun Yun

    (Samsung Advanced Institute of Technology (SAIT), Samsung Electronics)

  • Zhenan Bao

    (Stanford University)

Abstract

As a key component in stretchable electronics, semiconducting polymers have been widely studied. However, it remains challenging to achieve stretchable semiconducting polymers with high mobility and mechanical reversibility against repeated mechanical stress. Here, we report a simple and universal strategy to realize intrinsically stretchable semiconducting polymers with controlled multi-scale ordering to address this challenge. Specifically, incorporating two types of randomly distributed co-monomer units reduces overall crystallinity and longer-range orders while maintaining short-range ordered aggregates. The resulting polymers maintain high mobility while having much improved stretchability and mechanical reversibility compared with the regular polymer structure with only one type of co-monomer units. Interestingly, the crystalline microstructures are mostly retained even under strain, which may contribute to the improved robustness of our stretchable semiconductors. The proposed molecular design concept is observed to improve the mechanical properties of various p- and n-type conjugated polymers, thus showing the general applicability of our approach. Finally, fully stretchable transistors fabricated with our newly designed stretchable semiconductors exhibit the highest and most stable mobility retention capability under repeated strains of 1,000 cycles. Our general molecular engineering strategy offers a rapid way to develop high mobility stretchable semiconducting polymers.

Suggested Citation

  • Jaewan Mun & Yuto Ochiai & Weichen Wang & Yu Zheng & Yu-Qing Zheng & Hung-Chin Wu & Naoji Matsuhisa & Tomoya Higashihara & Jeffrey B.-H. Tok & Youngjun Yun & Zhenan Bao, 2021. "A design strategy for high mobility stretchable polymer semiconductors," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23798-2
    DOI: 10.1038/s41467-021-23798-2
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    Cited by:

    1. Jiachen Wang & Yuto Ochiai & Niannian Wu & Kiyohiro Adachi & Daishi Inoue & Daisuke Hashizume & Desheng Kong & Naoji Matsuhisa & Tomoyuki Yokota & Qiang Wu & Wei Ma & Lulu Sun & Sixing Xiong & Baocai , 2024. "Intrinsically stretchable organic photovoltaics by redistributing strain to PEDOT:PSS with enhanced stretchability and interfacial adhesion," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    2. Abdulkafi M. Saeed & Kh. Lotfy & Alaa A. El-Bary, 2022. "Effect of Variable Thermal Conductivity and Magnetic Field for the Generated Photo-Thermal Waves on Microelongated Semiconductor," Mathematics, MDPI, vol. 10(22), pages 1-18, November.
    3. Zhiqiang Zhuo & Mingjian Ni & Ningning Yu & Yingying Zheng & Yingru Lin & Jing Yang & Lili Sun & Lizhi Wang & Lubing Bai & Wenyu Chen & Man Xu & Fengwei Huo & Jinyi Lin & Quanyou Feng & Wei Huang, 2024. "Intrinsically stretchable fully π-conjugated polymer film via fluid conjugated molecular external-plasticizing for flexible light-emitting diodes," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Hung-Chin Wu & Shayla Nikzad & Chenxin Zhu & Hongping Yan & Yang Li & Weijun Niu & James R. Matthews & Jie Xu & Naoji Matsuhisa & Prajwal Kammardi Arunachala & Reza Rastak & Christian Linder & Yu-Qing, 2023. "Highly stretchable polymer semiconductor thin films with multi-modal energy dissipation and high relative stretchability," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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