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10 May 2024 Silver nanoflower-incorporated nanocomposite strain sensors with high reversibility for human motion detection
Yongjun Kim, Faseela K. P., Sang Yul Yang, Kihyeon Kim, Heeju Yu, Ji Young Lim, Jong Geol Do, Hyouk Ryeol Choi, Jihye Hwang, Seunghyun Baik
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Proceedings Volume PC12948, Soft Mechatronics and Wearable Systems; PC1294810 (2024) https://doi.org/10.1117/12.3007110
Event: SPIE Smart Structures + Nondestructive Evaluation, 2024, Long Beach, California, United States
Abstract
The practical wearable electronics applications of stretchable conductive nanocomposites have been hindered by mechanical and electrical irreversibility. Here we report a resistive-type nanocomposite strain sensor, demonstrating excellent reversibility (30% strain, 3000 cycles). The sensor element consists of flower-shaped silver nanoparticles (AgNFs) embedded in a stretchable polyurethane (PU) matrix. The thin petals of AgNFs construct efficient percolation network with neighboring AgNFs. The nanocomposite sensor shows high sensitivity (gauge factor 32.08) and impressive mechanical and electrical reversibility. The recent progress in our lab will also be introduced. Reference: [1] Compos. Sci. and Tech., 221, 109305 (2022).
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Yongjun Kim, Faseela K. P., Sang Yul Yang, Kihyeon Kim, Heeju Yu, Ji Young Lim, Jong Geol Do, Hyouk Ryeol Choi, Jihye Hwang, and Seunghyun Baik "Silver nanoflower-incorporated nanocomposite strain sensors with high reversibility for human motion detection", Proc. SPIE PC12948, Soft Mechatronics and Wearable Systems, PC1294810 (10 May 2024); https://doi.org/10.1117/12.3007110
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KEYWORDS
Sensors
Motion detection
Nanocomposites
Electrical conductivity
Silver
Elasticity
Nanoparticles
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