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연구성과 > 금주의 우수논문

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SCI Article

An Ultrastable Ionic Chemiresistor Skin with an Intrinsically Stretchable Polymer Electrolyte
성명 김도환()
소속 공과대학 화학공학과
캠퍼스
우수선정주 2018년 06월 3째주
Author Park, Sangsik (Dept Chem Engn); Kim, Jong-Seon (Dept Chem Engn); 김도환 (Dept Chem Engn);
Corresponding Author Info Jung, HT (reprint author), Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn BK Plus 21, Daejon 305701, South Korea.; Jung, HT (reprint author), Korea Adv Inst Sci & Technol, Inst NanoCentury, Daejon 305701, South Korea.; Kim, DH (reprint author), Han
E-mail 이메일 아이콘dhkim76@hanyang.ac.kr
Document Type Article
Source ADVANCED MATERIALS Volume:30 Issue:20 Pages:- Published:2018
Times Cited 0
External Information http://dx.doi.org/10.1002/adma.201706851
Abstract Ultrastable sensing characteristics of the ionic chemiresistor skin (ICS) that is designed by using an intrinsically stretchable thermoplastic polyurethane electrolyte as a volatile organic compound (VOC) sensing channel are described. The hierarchically assembled polymer electrolyte film is observed to be very uniform, transparent, and intrinsically stretchable. Systematic experimental and theoretical studies also reveal that artificial ions are evenly distributed in polyurethane matrix without microscale phase separation, which is essential for implementing high reliability of the ICS devices. The ICS displays highly sensitive and stable sensing of representative VOCs (including toluene, hexane, propanal, ethanol, and acetone) that are found in the exhaled breath of lung cancer patients. In particular, the sensor is found to be fully operational even after being subjected to long-term storage or harsh environmental conditions (relative humidity of 85% or temperature of 100 degrees C) or severe mechanical deformation (bending to a radius of curvature of 1 mm, or stretching strain of 100%), which can be an effective method to realize a human-adaptive and skin-attachable biosensor platform for daily use and early diagnosis.
Web of Science Categories Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter
Funding Center for Advanced Soft-Electronics under the Global Frontier Project [CASE-2014M3A6A5060937, CASE-2014M3A6A5060932]; Basic Science Research Program [2015R1A2A1A05001844, 2017R1A2B4012819, 2017R1A5A1015596]; Global Research Development Center Program of
Language English
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