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Get Free AccessWe report a self-powered signal reading mechanism for imaging surface topography using a triboelectric sensor (TES) without supplying an external power or light source. A membrane-structured triboelectric nanogenerator (TENG) is designed at the root of a whisker (probe); the deflection of the whisker causes the two contacting surfaces of the TENG to give an electric output current/voltage that responds to the bending degree of the whisker when it scans over a rough surface. A series of studies were carried out to characterize the performance of the TES, such as high sensitivity of 0.45 V mm−1, favorable repeating of standard deviation 8 mV, high Z-direction resolution of 18 μm, as well as lateral resolution of 250 μm by using a probe of size 11 mm in the length and 120 μm in radius. It not only can recognize the surface feature and size but also can perform a surface topography imaging in scanning mode. This work shows the potential of a TES as a self-powered tactile sensor for applications at relatively low spatial resolution.
Aifang Yu, Libo Chen, Xiangyu Chen, Aihua Zhang, Feng Ru Fan, Yan Zhan, Zhong Lin Wang (2015). Triboelectric sensor as self-powered signal reader for scanning probe surface topography imaging. , 26(16), DOI: https://doi.org/10.1088/0957-4484/26/16/165501.
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Type
Article
Year
2015
Authors
7
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1088/0957-4484/26/16/165501
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