THE POLYMER SOCIETY OF KOREA

연구논문 초록집

초록 검색

세션명 기능성 고분자(III)
발표장 포스터장
논문코드 3PS-201
발표일 2019-10-11
발표시간 16:00-17:30 (게시시간: 13:50-17:30)
논문제목 Sensing and Memorising Liquids with Polarity Interactive Ferroelectric Sound
발표자 김의혁
발표자 소속 연세대학교
저자 김의혁, 박철민, 이석영, 진우경
소속 연세대학교
논문초록 The direct sensing and storing of the information of liquids with different polarities are of significant interest, in particular, through means related to human senses for emerging biomedical applications. Here, we present an interactive platform capable of sensing and storing the information of liquids. Our platform utilises sound arising from liquid-interactive ferroelectric actuation, which is dependent upon the polarity of the liquid. Liquid-interactive sound is developed when a liquid is placed on a ferroelectric polymer across two in-plane electrodes under an alternating current field. As the sound is correlated with non-volatile remnant polarisation of the ferroelectric layer, the information is stored and retrieved after the liquid is removed, resulting in a sensing memory of the liquid. Our pad-type allows for identifying the position of a liquid. Flexible tube-type devices offer a route for in situ analysis of flowing liquids including a human serum liquid in terms of sound.