Highly flexible strain sensor based on ZnO nanowires and P(VDF-TrFE) fibers for wearable electronic device

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• 作者：Shuai Chen 陈帅 ; Zheng Lou 娄正 ; Di Chen 陈娣 ; Zhaojun Chen 陈照儿/a>…
• 关键词：strain sensors ; nanowires ; electrospinning ; wearable electronics
• 刊名：Science China Materials
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：59
• 期：3
• 页码：173-181
• 全文大小：1,299 KB
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• 作者单位：Shuai Chen 陈帅 (1) (2)
  Zheng Lou 娄正 (2)
  Di Chen 陈娣 (1)
  Zhaojun Chen 陈照军 (3)
  Kai Jiang 姜凯 (4)
  Guozhen Shen 沈国震 (2)
  
  1. School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, China
  2. State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, China
  3. College of Chemical Science and Engineering, Qingdao University, Qingdao, 266071, China
  4. Institute & Hospital of Hepatobiliary Surgery, Key Laboratory of Digital Hepatobiliary Surgery of Chinese PLA, Chinese PLA Medical School, Chinese PLA General Hospital, Beijing, 100853, China
  
• 刊物类别：Materials Science, general; Chemistry/Food Science, general;
• 刊物主题：Materials Science, general; Chemistry/Food Science, general;
• 出版者：Science China Press
• ISSN：2199-4501

文摘

Excellent flexibility, rapid response and high sensitivity are key parameters of strain sensor that can sustain and detect various deformations including stretching, bending and torsion. Developing organic/inorganic nanostructured composites with improved electromechanical performance is still a great challenge due to the instability in the combination and the fragility of inorganic nanomaterials. Herein, we report a newtype strain sensor based on poly(vinylidene fluoride–trifluoro-ethylene) nanofibers/ZnO nanowires composites, taking advantage of electrospinning and hydrothermal process. The as-fabricated device exhibits a high flexibility, ultrafast response and remarkable sensitivity with a gauge factor of 4.59. Especially, it has the capability to detect various stimulations including mechanical deformations such as stretching and bending. The device can easily detect muscle movements like finger bending and straightening.