Intrinsically Stretchable Temperature Sensor Based on Organic Thin-Film Transistors

被引：35

作者：

Zhu, Chenxin ^{[1
]}

Wu, Hung-Chin ^{[2
]}

Nyikayaramba, Gift ^{[1
]}

Bao, Zhenan ^{[2
]}

Murmann, Boris ^{[1
]}

机构：

[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

[2] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

来源：

IEEE ELECTRON DEVICE LETTERS | 2019年 / 40卷 / 10期

关键词：

Wearable electronics; OTFT; sensor; intrinsically stretchable devices; FABRICATION; POLYMER; SOFT;

D O I：

10.1109/LED.2019.2933838

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Achieving reliable electrical performance with stretchability and conformability is a key issue for wearable electronics. In this letter, we demonstrate an intrinsically stretchable temperature sensor element based on organic thin-film transistors (OTFTs). The OTFTs were characterized with respect to their temperature and strain dependence, and subsequently evaluated using differential readout circuit schemes. We considered two circuit variants to accommodate OTFTs with nominally positive or negative threshold voltages. Due to the strain suppression afforded by the differential readout, the intrinsically stretchable temperature sensor element achieves an inaccuracy within 1 degrees C with uniaxial strains from 0-30 %.

引用

页码：1630 / 1633

页数：4

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