articleAdvanced Functional MaterialsJun 29, 2016Closed access

Large‐Area Compliant, Low‐Cost, and Versatile Pressure‐Sensing Platform Based on Microcrack‐Designed Carbon Black@Polyurethane Sponge for Human–Machine Interfacing

XWXiaodong WuYHYangyang HanXZXinxing ZhangZZZehang ZhouCLCanhui Lu

Sichuan University

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Abstract

It is a challenge to manufacture pressure‐sensing materials that possess flexibility, high sensitivity, large‐area compliance, and capability to detect both tiny and large motions for the development of artificial intelligence products. Herein, a very simple and low‐cost approach is proposed to fabricate versatile pressure sensors based on microcrack‐designed carbon black (CB)@polyurethane (PU) sponges via natural polymer‐mediated water‐based layer‐by‐layer assembly. These sensors are capable of satisfying the requirements of ultrasmall as well as large motion monitoring. The versatility of these sensors benefits from two aspects: microcrack junction sensing mechanism for tiny motion detecting (91 Pa pressure,…

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Topics
Keywords
  • Interfacing
  • Materials science
  • Pressure sensor
  • Flexibility (engineering)
  • Nanotechnology
  • Graphene
  • Computer science
  • Mechanical engineering
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