Ion-cluster-mediated ultrafast self-healable ionoconductors for reconfigurable electronics

Yong Min Kim, Jin Han Kwon, Seonho Kim, U Hyeok Choi and Hong Chul Moon ()
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Yong Min Kim: University of Seoul
Jin Han Kwon: University of Seoul
Seonho Kim: Inha University
U Hyeok Choi: Inha University
Hong Chul Moon: University of Seoul

Nature Communications, 2022, vol. 13, issue 1, 1-10

Abstract: Abstract Implementing self-healing capabilities in a deformable platform is one of the critical challenges for achieving future wearable electronics with high durability and reliability. Conventional systems are mostly based on polymeric materials, so their self-healing usually proceeds at elevated temperatures to promote chain flexibility and reduce healing time. Here, we propose an ion-cluster-driven self-healable ionoconductor composed of rationally designed copolymers and ionic liquids. After complete cleavage, the ionoconductor can be repaired with high efficiency (∼90.3%) within 1 min even at 25 °C, which is mainly attributed to the dynamic formation of ion clusters between the charged moieties in copolymers and ionic liquids. By taking advantages of the superior self-healing performance, stretchability (∼1130%), non-volatility (over 6 months), and ability to be easily shaped as desired through cutting and re-assembly protocol, reconfigurable, deformable light-emitting electroluminescent displays are successfully demonstrated as promising electronic platforms for future applications.

Date: 2022
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DOI: 10.1038/s41467-022-31553-4

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