Organic strain sensor comprised of heptazole-based thin film transistor and Schottky diode

Youngsuk Cho; Pyo Jin Jeon; Jin Sung Kim; Seongil Im

doi:10.1016/j.orgel.2016.10.038

Organic strain sensor comprised of heptazole-based thin film transistor and Schottky diode

Youngsuk Cho, Pyo Jin Jeon, Jin Sung Kim, Seongil Im

Department of Physics

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

8 Citations (Scopus)

Abstract

A strain sensor presenting a voltage signal has been studied, as comprised of an organic thin-film transistor (OTFT) and an organic Schottky diode which are connected in series to sensitively measure elastic tensile strain (up to ∼0.64%, bending radius of ∼4 mm). We chose organic heptazole TFT as a sensor component and large area heptazole Schottky diode as a strain-insensitive load incorporated into this strain sensor gauge circuit, because our heptazole TFTs have shown anisotropic response to the elastic tensile strain. Our organic strain sensor exhibits a decent amount of gauge factor (GF > 1.51) performance in both static and dynamic ways.

Original language	English
Pages (from-to)	24-29
Number of pages	6
Journal	Organic Electronics
Volume	40
DOIs	https://doi.org/10.1016/j.orgel.2016.10.038
Publication status	Published - 2017 Jan 1

Bibliographical note

Funding Information:
This work was supported by the Global Leading Technology Program funded by the Ministry of Trade, Industry and Energy, Republic of Korea . (Grant No. 10042433-2012-11 ), NRF (NRL Program: Grant No. 2014R1A2A1A01004815 ), and BK21 Plus program .

Publisher Copyright:
© 2016 Elsevier B.V.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Biomaterials
Chemistry(all)
Condensed Matter Physics
Materials Chemistry
Electrical and Electronic Engineering

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10.1016/j.orgel.2016.10.038

Cite this

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abstract = "A strain sensor presenting a voltage signal has been studied, as comprised of an organic thin-film transistor (OTFT) and an organic Schottky diode which are connected in series to sensitively measure elastic tensile strain (up to ∼0.64%, bending radius of ∼4 mm). We chose organic heptazole TFT as a sensor component and large area heptazole Schottky diode as a strain-insensitive load incorporated into this strain sensor gauge circuit, because our heptazole TFTs have shown anisotropic response to the elastic tensile strain. Our organic strain sensor exhibits a decent amount of gauge factor (GF > 1.51) performance in both static and dynamic ways.",

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Organic strain sensor comprised of heptazole-based thin film transistor and Schottky diode

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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