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Photodimerization induced hierarchical and asymmetric iontronic micropatterns

Author

Listed:
  • Zehong Wang

    (Shanghai Jiao Tong University)

  • Tiantian Li

    (Shanghai Jiao Tong University)

  • Yixiang Chen

    (Donghua University)

  • Jin Li

    (Shanghai Jiao Tong University)

  • Xiaodong Ma

    (Shanghai Jiao Tong University)

  • Jie Yin

    (Shanghai Jiao Tong University)

  • Xuesong Jiang

    (Shanghai Jiao Tong University)

Abstract

Micropatterning various ion-based modality materials offers compelling advantages for functionality enhancement in iontronic pressure sensing, piezoionic mechanoreception, and skin-interfaced electrode adhesion. However, most existing patterning techniques for iontronic materials suffer from low flexibility and limited modulation capability. Herein, we propose a facile and robust method to fabricate hierarchical and asymmetrical iontronic micropatterns (denoted as HAIMs) through programmed regulation of the internal stress distribution and the local ionic migration among an iontronic host. The resultant HAIMs with arbitrarily regulated morphologies and region-dependent ionic electrical performance can be readily made via localized photodimerization of an anthracene-functionalized ionic liquid copolymer (denoted as An-PIL) and subsequent vapor oxidative polymerization of 3,4-ethylenedioxythiophene (EDOT). Based on the piezoionic effect within the resultant distinct doped PEDOT, HAIMs can serve as a scalable iontronic potential generator. Successful syntheses of these fascinating micropatterns may accelerate the development of patterned iontronic materials in a flexible, programmable, and functionally adaptive form.

Suggested Citation

  • Zehong Wang & Tiantian Li & Yixiang Chen & Jin Li & Xiaodong Ma & Jie Yin & Xuesong Jiang, 2022. "Photodimerization induced hierarchical and asymmetric iontronic micropatterns," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-34285-7
    DOI: 10.1038/s41467-022-34285-7
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    References listed on IDEAS

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    1. Ned Bowden & Scott Brittain & Anthony G. Evans & John W. Hutchinson & George M. Whitesides, 1998. "Spontaneous formation of ordered structures in thin films of metals supported on an elastomeric polymer," Nature, Nature, vol. 393(6681), pages 146-149, May.
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