Abstract

HighlightsFlexible sensitive carbon nanotubes/polydimethylsiloxane (CNTs/PDMS) nanocomposite with novel double-side rough porous structure was proposed by simple manufacturing methods.Three-dimensional (3D) force tactile electronic skin sensor based on CNTs/PDMS nanocompositions exhibited high sensitivity, good consistency and fast response.A promising strategy for low-cost multi-functional detection in human body monitoring and intelligent robot grasping applications was provided.

Highlights

  • Over past years, wearable and flexible tactile sensors have attracted a great deal of studies due to their great potential in various applications including physiological measurement [1,2,3], robotics [4], human–computer interaction [5, 6] and wearable devices [7, 8]

  • Large quantities of conductive nanomaterials and nanocomposites have been demonstrated with piezoresistance such as carbon nanotubes (CNTs) [23, 24], carbon black [25], graphene [26,27,28], nanowires [12, 29] and metallic particles [5]

  • This work demonstrates a 4 × 4 flexible tactile electronic skin sensor based on multi-walled carbon nanotubes (CNTs)/PDMS polymer nanocomposite for 3D contact force detection

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Summary

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Nano-Micro Lett. (2019) 11:57 detection in human body monitoring was employed with single sensing cell and the sensor array was integrated into a robotic arm for objects grasping control, indicating the capacities in intelligent robot applications. KEYWORDS Flexible tactile sensors; Electronic skin; Piezoresistive sensors; CNTs/PDMS nanocomposites; 3D force detection

Introduction
Structure and Layout
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Fabrication and Working Principle
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Dynamic Characteristics
Piezoresistive Properties of the Electronic Skin Sensor and Applications
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Conclusions
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