Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
DOI: https://doi.org/10.29363/nanoge.matsus.2024.101
Publication date: 18th December 2023
Conjugated polymers with features of flexibility, stretchability, and printability have huge potential applications in soft robotics, health monitoring, and human-machine interface. Here, I will present our group's efforts in developing various materials for developing these functional polymers. For instance, we have developed a highly stretchable and autonomic self-healable conducting film, which exhibits stretchability as high as 630% and high electrical conductivity of 320 S cm−1, while possessing the ability to repair both mechanical and electrical breakdowns when under-going severe damage at ambient conditions.This polymer composite film is further utilized in a tactile sensor, which exhibits good pressure sensitivity of 164.5 kPa−1, near hysteresis-free, an ultrafast response time of 19 ms, and excellent endurance over 1500 consecutive presses. Additionally, an integrated 5 × 4 stretchable and self-healable organic electrochemical transistor (OECT) array with great device performance is successfully demonstrated. The developed stretchable and autonomic self-healable conducting film significantly increases the practicality and shelf life of wearable electronics, which in turn, reduces maintenance costs and build-up of electronic waste.
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