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Sensors 2018, 18(2), 632; https://doi.org/10.3390/s18020632

Investigation of Sensitivities and Drift Effects of the Arrayed Flexible Chloride Sensor Based on RuO2/GO at Different Temperatures

1
Graduate School of Mechanical Engineering, National Yunlin University of Science and Technology, Douliu 64002, Taiwan
2
Department of Electronic Engineering, National Yunlin University of Science and Technology, Douliu 64002, Taiwan
3
Graduate School of Electronic Engineering, National Yunlin University of Science and Technology, Douliu 64002, Taiwan
4
Department of Information and Electronic Commerce Management, TransWorld University, Douliu 64002, Taiwan
*
Author to whom correspondence should be addressed.
Received: 16 January 2018 / Revised: 17 February 2018 / Accepted: 18 February 2018 / Published: 20 February 2018
(This article belongs to the Special Issue Potentiometric Chemical Sensors)
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Abstract

We investigate the temperature effect on sensing characteristics and drift effect of an arrayed flexible ruthenium dioxide (RuO2)/graphene oxide (GO) chloride sensor at different solution temperatures between 10 °C and 50 °C. The average sensor sensitivities according to our experimental results were 28.2 ± 1.4 mV/pCl (10 °C), 42.5 ± 2.0 mV/pCl (20 °C), 47.1 ± 1.8 mV/pCl (30 °C), 54.1 ± 2.01 mV/pCl (40 °C) and 46.6 ± 2.1 mV/pCl (50 °C). We found the drift effects of an arrayed flexible RuO2/GO chloride sensor in a 1 M NaCl solution to be between 8.2 mV/h and 2.5 mV/h with solution temperatures from 10 °C to 50 °C. View Full-Text
Keywords: ruthenium dioxide; chloride ion sensor; graphene oxide; temperature effect; drift effect ruthenium dioxide; chloride ion sensor; graphene oxide; temperature effect; drift effect
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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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Tseng, S.-C.; Wu, T.-Y.; Chou, J.-C.; Liao, Y.-H.; Lai, C.-H.; Yan, S.-J.; Tseng, T.-W. Investigation of Sensitivities and Drift Effects of the Arrayed Flexible Chloride Sensor Based on RuO2/GO at Different Temperatures. Sensors 2018, 18, 632.

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