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Sea urchin-like microstructure pressure sensors with an ultra-broad range and high sensitivity

Engineering and Technology

Sea urchin-like microstructure pressure sensors with an ultra-broad range and high sensitivity

X. Wang, L. Tao, et al.

Discover a breakthrough in pressure sensing technology with our novel sensor utilizing a ternary nanocomposite Fe₂O₃/C@SnO₂. This innovative design not only enhances sensitivity and expands the pressure response range but also ensures durability and fast response times. Co-authored by Xiu-man Wang, Lu-qi Tao, Min Yuan, Ze-ping Wang, Jiabing Yu, Dingli Xie, Feng Luo, Xianping Chen, and ChingPing Wong, this research paves the way for advancements in wearable electronics and health monitoring.

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Playback language: English
Abstract
Existing pressure sensors struggle to balance high sensitivity and a wide pressure range. This paper introduces a novel pressure sensor using a ternary nanocomposite Fe₂O₃/C@SnO₂. The sea urchin-like Fe₂O₃ structure enhances signal transduction and protects against mechanical damage, while acetylene carbon black improves conductivity. The synergistic effects of Fe₂O₃/C, Fe₂O₃/SnO₂ and SnO₂@C structures expand the pressure response range. The sensor demonstrates high sensitivity (680 kPa⁻¹), fast response (10 ms), broad range (up to 150 kPa), and good reproducibility (over 3500 cycles under 110 kPa), showing promise for wearable electronics and health monitoring.
Publisher
Nature Communications
Published On
Mar 19, 2021
Authors
Xiu-man Wang, Lu-qi Tao, Min Yuan, Ze-ping Wang, Jiabing Yu, Dingli Xie, Feng Luo, Xianping Chen, ChingPing Wong
Tags
pressure sensor
ternary nanocomposite
Fe₂O₃
SnO₂
sensitivity
conductivity
wearable electronics

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