Conductive and elastic bottlebrush elastomers for ultrasoft electronics

Pengfei Xu, Shaojia Wang, Angela Lin, Hyun-Kee Min, Zhanfeng Zhou, Wenkun Dou, Yu Sun, Xi Huang, Helen Tran () and Xinyu Liu ()
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Pengfei Xu: University of Toronto
Shaojia Wang: University of Toronto
Angela Lin: University of Toronto
Hyun-Kee Min: The Hospital for Sick Children
Zhanfeng Zhou: University of Toronto
Wenkun Dou: University of Toronto
Yu Sun: University of Toronto
Xi Huang: The Hospital for Sick Children
Helen Tran: University of Toronto
Xinyu Liu: University of Toronto

Nature Communications, 2023, vol. 14, issue 1, 1-12

Abstract: Abstract Understanding biological systems and mimicking their functions require electronic tools that can interact with biological tissues with matched softness. These tools involve biointerfacing materials that should concurrently match the softness of biological tissue and exhibit suitable electrical conductivities for recording and reading bioelectronic signals. However, commonly employed intrinsically soft and stretchable materials usually contain solvents that limit stability for long-term use or possess low electronic conductivity. To date, an ultrasoft (i.e., Young’s modulus 2 S/m) as well as adhesion property. Furthermore, we fabricate ultrasoft electronics based on laser cutting and 3D printing of conductive and non-conductive BBEs and demonstrate their potential applications in wearable sensing, soft robotics, and electrophysiological recording.

Date: 2023
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DOI: 10.1038/s41467-023-36214-8

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