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Abstract
This paper introduces piezoelectric pressure sensors based on fabrics woven using polyvinylidene fluoride (PVDF) and polyethylene terephthalate (PET) yarns with different weave structures: 1/1 (plain), 2/2, and 3/3 weft rib patterns. A sensor with a 2/2 weft rib pattern showed a sensitivity of 83 mV N⁻¹, 245% higher than the 1/1 pattern. The sensor's performance was evaluated under various conditions, including pressing, bending, twisting, crumpling, and various human motions. A large-area pressure sensor array also demonstrated sensitive and stable sensing.
Publisher
npj Flexible Electronics
Published On
Aug 05, 2022
Authors
Da Bin Kim, Ju Han, Sun Min Sung, Min Seong Kim, Bo Kyoung Choi, Sung Jun Park, Hyae Rim Hong, Hong Je Choi, Byeong Kon Kim, Chung Hee Park, Jong Hoo Paik, Joon-Seok Lee, Yong Soo Cho
Tags
piezoelectric sensors
PVDF
PET
fabric technology
pressure sensing
wearable technology
sensitivity

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