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Sensors 2016, 16(1), 58; doi:10.3390/s16010058

Characterizations and Electrical Modelling of Sensory Samples Formed from Synthesized Vanadium (V) Oxide and Copper Oxide Graphene Quantum Tunneling Composites (GQTC) Applied in Electrotribology

1
AGH University of Science and Technology, Department of Electronics, Mickiewicza 30, 30-059 Krakow, Poland
2
Graphenalloy, Ordrupvej 69, 3th, 2920 Charlottenlund, Denmark
3
Delphi Automotive Systems, Powstancow Wielkopolskich 13 D-E, 30-962 Krakow, Poland
4
AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Mickiewicza 30, 30-059 Krakow, Poland
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Ashutosh Tiwari
Received: 9 November 2015 / Revised: 13 December 2015 / Accepted: 25 December 2015 / Published: 5 January 2016
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Abstract

CuO and V2O5 graphene quantum tunneling composites (GQTC) presented in this article were produced and their sensory properties were analyzed. The composites were synthesised using two stage high-power milling process, which resulted in materials that have good temeprature and pressure sensory properties. Described production process defines internal structure of materials such that when used as sensor in the desired range, it exhibits a strong percolation effect. The experiment, with controlled changing physical conditions during electrotribological measurement, enabled analyzing of the composites’ conductivity as a function of the sensory properties: applied temperature, pressure, tangential force and wear. The sensory characteristic was successfully modelled by invertible generalized equations, and used to create sensor capable of estimating temperature or pressure in the real time. The developed materials have the potential to be applied in the areas where miniaturization is essential, due to the materials exhibiting good sensory properties in mini and micro scale. View Full-Text
Keywords: semiconductive metal oxide composites; thermopiezoresistors; quantum tunneling composites (QTC); graphene; graphene quantum tunneling composites (GQTC); electrotribology; MEMS semiconductive metal oxide composites; thermopiezoresistors; quantum tunneling composites (QTC); graphene; graphene quantum tunneling composites (GQTC); electrotribology; MEMS
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Habdank-Wojewódzki, T.; Habdank, J.; Cwik, P.; Zimowski, S. Characterizations and Electrical Modelling of Sensory Samples Formed from Synthesized Vanadium (V) Oxide and Copper Oxide Graphene Quantum Tunneling Composites (GQTC) Applied in Electrotribology. Sensors 2016, 16, 58.

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