A highly elastic, capacitive strain gauge based on percolating nanotube networks.

@article{Cohen2012AHE,
  title={A highly elastic, capacitive strain gauge based on percolating nanotube networks.},
  author={Daniel J. Cohen and Debkishore Mitra and Kevin Peterson and Michel M. Maharbiz},
  journal={Nano letters},
  year={2012},
  volume={12 4},
  pages={1821-5}
}
We present a highly elastic strain gauge based on capacitive sensing of parallel, carbon nanotube-based percolation electrodes separated by a dielectric elastomer. The fabrication, relying on vacuum filtration of single-walled carbon nanotubes and hydrophobic patterning of silicone, is both rapid and inexpensive. We demonstrate reliable, linear performance over thousands of cycles at up to 100% strain with less than 3% variability and the highest reported gauge factor for a device of this class… CONTINUE READING
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