Piezo-impedance response of carbon nanotube/polydimethylsiloxane nanocomposites

Title
Piezo-impedance response of carbon nanotube/polydimethylsiloxane nanocomposites
Authors
전대영이민욱Heeju KimSo Jeong ParkGyu-Tae Kim
Keywords
Piezo-impedance; CNT/PDMS composite; Cole-Cole plot; Sensors
Issue Date
2019-04
Publisher
APL materials
Citation
VOL 7-041118-5
Abstract
Advanced physical sensors based on carbon nanotube/polydimethylsiloxane (CNT/PDMS) nanocomposites have recently attracted much attention for potential applications such as wearable and flexible electronic devices. In this work, a CNT/PDMS sponge was fabricated and their capacitive as well as resistive response was investigated by impedance characterization with an equivalent circuit model. The newly defined gauge factor, which considers simultaneously both the piezocapacitive and piezoresistive effects of CNT/PDMS sponge sensors, showed a significantly improved sensitivity. This work provides important information for a better understanding of CNT/PDMS nanocomposites and their sensing performance.
URI
http://pubs.kist.re.kr/handle/201004/69321
ISSN
2166-532X
Appears in Collections:
KIST Publication > Article
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