Journal
ORGANIC ELECTRONICS
Volume 11, Issue 11, Pages 1736-1739Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2010.07.028
Keywords
Carbon spheres; Pressure sensor; Hydrostatic pressure sensor
Funding
- CNPq
- Renami (Brazil)
- DST/NRF (South Africa)
- Pro-Africa-CNPq
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We report on the preparation of hydrostatic pressure sensors, based on carbon sphere-polyvinyl alcohol composites deposited onto interdigitated electrodes, determining the pressure dependence of the conductance and capacitance of the devices. For these devices, we used carbon spheres with average diameter of 124 +/- 13 nm at concentrations of 20%, 30% and 40%. The highest relative variation of conductance (0.69% kPa (1)) and capacitance (0.24% kPa (1)) was obtained using the composite with 30% carbon spheres. (C) 2010 Elsevier B.V. All rights reserved.
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