Dramatically Enhanced Mechanosensitivity and Signal-to-Noise Ratio of Nanoscale Crack-Based Sensors: Effect of Crack Depth

被引：314
|
作者：
Park, Byeonghak [1 ]
Kim, Jisun [1 ]
Kang, Daeshik [2 ]
Jeong, Chanho [3 ,4 ]
Kim, Kwang Su [5 ]
Kim, Jong Uk [1 ]
Yoo, Pil J. [1 ,5 ]
Kim, Tae-il [1 ,3 ,4 ]
机构：
[1] Sungkyunkwan Univ SKKU, Sch Chem Engn, Suwon 16419, South Korea
[2] Ajou Univ, Dept Mech Engn, Suwon 16499, South Korea
[3] IBS, CNIR, Suwon 16419, South Korea
[4] Sungkyunkwan Univ SKKU, Dept Biomed Engn, Suwon 16419, South Korea
[5] Sungkyunkwan Univ SKKU, SAINT, Suwon 16419, South Korea
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 37期
基金：
新加坡国家研究基金会;
关键词：
crack depth; gauge factors; signal-to-noise ratio; strain gauge sensors; ELECTRONIC SKIN; STRAIN SENSORS; PRESSURE; TRANSPARENT; DESIGN; FILMS;
D O I：
10.1002/adma.201602425
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The sensitivity of a nanoscale crack-based sensor is enhanced markedly by modulating the crack depth. The crack-depth-propagated sensor exhibits approximate to 16 000 gauge factor at 2% strain and a superior signal-to-noise ratio of approximate to 35, which facilitates detection of target signals for voice-pattern recognition.
引用
收藏
页码：8130 / 8137
页数：8
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