A highly sensitive flexible strain sensor based on the contact resistance change of carbon nanotube bundles

Youngsup Song; Jae Ik Lee; Soonjae Pyo; Youngkee Eun; Jungwook Choi; Jongbaeg Kim

doi:10.1088/0957-4484/27/20/205502

A highly sensitive flexible strain sensor based on the contact resistance change of carbon nanotube bundles

Youngsup Song, Jae Ik Lee, Soonjae Pyo, Youngkee Eun, Jungwook Choi, Jongbaeg Kim

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A novel carbon nanotube (CNT)-based flexible strain sensor with the highest gauge factor of 4739 is presented. CNT-to-CNT contacts are fabricated on a pair of silicon electrodes fixed on a PDMS specimen for both flexibility and electrical connection. The strain is detected by the resistance change between facing CNT bundles. The proposed approach could be applied for diverse applications with a high gauge factor.

Original language	English
Article number	205502
Journal	Nanotechnology
Volume	27
Issue number	20
DOIs	https://doi.org/10.1088/0957-4484/27/20/205502
Publication status	Published - 2016 Apr 12

Bibliographical note

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and future Planning (NRF-2015R1A2A1A01005496).

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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AU - Choi, Jungwook

AU - Kim, Jongbaeg

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