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학술지 Compliant Characteristics of Carbon Nanotube Electrodes for Electromechanical Applications
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저자
강승열, 문제현, 안성덕
발행일
202007
출처
Thin Solid Films, v.706, pp.1-6
ISSN
0040-6090
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.tsf.2020.138015
협약과제
20HB1400, 디스플레이 일체형 투명 틀렉서블 복합 생체인식 디바이스 핵심기술 개발, 안성덕
초록
We investigated the characteristics of carbon nanotube mat/dielectric elastomer composite as an electrically actuatable platform. The composites were fabricated by forming carbon nanotube (CNT) mats on electrically actuating dielectrics films. Their electromechanical actuating properties were observed not to be dependent on the CNT mats themselves but the interface between the CNT mats. To achieve good electromechanical actuation, it is desirable to have electrodes that are not compact. Rather, they should have open voids, which allow structural relaxation upon expansion. Our results suggest that in utilizing 1-D materials as electrode in transparent electromechanical actuation, it is important not only to maintain the electrical percolation but also to provide a relaxed electrode structure. Our approach can be used as a guide line in designing transparent tactile touch panels, in which mechanical compliance with electrical conduction is desirable.
키워드
Carbon nanotube, Dielectric elastomer, Electrode, Strain-voltage characteristics
KSP 제안 키워드
1-D materials, Actuating properties, Carbon nano-tube(CNT), Dielectric elastomer(DE), Elastomer composite, Electrode structure, Electromechanical actuation, Mechanical compliance, carbon nanotube electrodes, carbon nanotube mat, electrical conduction