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Nat. Commun., Apr 23 2024, 15 (1) | https://doi.org/10.1038/s41467-024-47718-2 Autonomous self-healing supramolecular polymer transistors for skin electronics

Ngoc Thanh Phuong Vo^1,6, Tae Uk Nam^1,6, Min Woo Jeong¹, Jun Su Kim¹, Kyu Ho Jung¹, Yeongjun Lee^2,3, Guorong Ma⁴, Xiaodan Gu⁴, Jeffrey B.-H. Tok², Tae Il Lee⁵ , Zhenan Bao²& Jin Young Oh¹

¹Department of Chemical Engineering (Integrated Engineering Program), Kyung Hee University, Yongin, Gyeonggi 17104, Korea.

²Department of Chemical Engineering, Stanford University, Stanford, CA 94305-5025, USA.

³Department of Brain and Cognitive Sciences, KAIST, Daejeon 34141, Korea.

⁴School of Polymer Science and Engineering, University of Southern Mississippi, Hattiesburg, MS 39406, USA.

⁵Department of Materials Science and Engineering, Gachon University, Seong-nam, Gyeonggi 13120, Korea.

⁶These authors contributed equally: Ngoc Thanh Phuong Vo, Tae Uk Nam.

Corresponding authors : Correspondence to Tae Il Lee, Zhenan Bao or Jin Young Oh.

Abstract

Skin-like field-effect transistors are key elements of bio-integrated devices for future user-interactive electronic-skin applications. Despite recent rapid developments in skin-like stretchable transistors, imparting self-healing ability while maintaining necessary electrical performance to these transistors remains a challenge. Herein, we describe a stretchable polymer transistor capable of autonomous self-healing. The active material consists of a blend of an electrically insulating supramolecular polymer with either semiconducting polymers or vapor-deposited metal nanoclusters. A key feature is to employ the same supramolecular self-healing polymer matrix for all active layers, i.e., conductor/semiconductor/dielectric layers, in the skin-like transistor. This provides adhesion and intimate contact between layers, which facilitates effective charge injection and transport under strain after self-healing. Finally, we fabricate skin-like self-healing circuits, including NAND and NOR gates and inverters, both of which are critical components of arithmetic logic units. This work greatly advances practical self-healing skin electronics.

논문정보

형식Research article
게재일2024년 04월 (BRIC 등록일 2024-04-25)
연구진국내(교신)+국외 연구진
분야 바이오·의료융합 > 바이오센싱 및 나노바이오물질

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