Issue 29, 2017

A tactile sensor using single layer graphene for surface texture recognition

Abstract

Tactile sensors capable of texture recognition are essential for artificial skin functions. In this work, we describe a tactile sensor with a single sensor architecture made of single layer graphene that can recognize surface texture based on the roughness of the interacting surface. Resistance changes due to the local deformation of a local area of the single layer graphene are reflected in the resistance of the entire sensor. By introducing microstructures inspired by human finger prints, surface texture was successfully defined through fast Fourier transform analysis, and spatial resolution was easily achievable. This work provides a simple method utilizing a single sensor for surface texture recognition at the level of human sensation without using a matrix architecture which requires high density integration technology with force and vibration sensor elements.

Graphical abstract: A tactile sensor using single layer graphene for surface texture recognition

Supplementary files

Article information

Article type
Paper
Submitted
26 Мам. 2017
Accepted
16 Мау. 2017
First published
20 Мау. 2017

Nanoscale, 2017,9, 10248-10255

A tactile sensor using single layer graphene for surface texture recognition

S. Chun, Y. Choi, D. I. Suh, G. Y. Bae, S. Hyun and W. Park, Nanoscale, 2017, 9, 10248 DOI: 10.1039/C7NR03748A

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