Highly Stretchable Resistive Pressure Sensors Using a Conductive Elastomeric Composite on a Micropyramid Array
Chwee‐Lin Choong(Samsung (South Korea)), Mun‐Bo Shim(Samsung (South Korea)), Byoung‐Sun Lee(Samsung (South Korea)), Sanghun Jeon(Korea University), Dong‐Su Ko(Samsung (South Korea)), Tae‐Hyung Kang(Seoul National University), Jihyun Bae(Samsung (South Korea)), Sung Hoon Lee(Samsung (South Korea)), Kyung‐Eun Byun(Samsung (South Korea)), Jungkyun Im(Samsung (South Korea)), Yong Jin Jeong(Pohang University of Science and Technology), Chan Eon Park(Pohang University of Science and Technology), Jong‐Jin Park(Samsung (South Korea)), U‐In Chung(Samsung (South Korea))
Cited by 1,234
Abstract
A stretchable resistive pressure sensor is achieved by coating a compressible substrate with a highly stretchable electrode. The substrate contains an array of microscale pyramidal features, and the electrode comprises a polymer composite. When the pressure-induced geometrical change experienced by the electrode is maximized at 40% elongation, a sensitivity of 10.3 kPa(-1) is achieved.
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