Flexible and Printed Potentiometric pH Sensor for Water Quality Monitoring

被引:1
作者
Hosseini, Ensieh S. [1 ]
Manjakkal, Libu [1 ]
Dahiya, Ravinder [1 ]
机构
[1] Univ Glasgow, James Watt Sch Engn, Bendable Elect & Sensing Technol BEST Grp, Glasgow G12 8QQ, Lanark, Scotland
来源
PROCEEDINGS OF THE 2021 IEEE INTERNATIONAL CONFERENCE ON FLEXIBLE AND PRINTABLE SENSORS AND SYSTEMS (FLEPS) | 2021年
基金
欧盟地平线“2020”; 英国工程与自然科学研究理事会;
关键词
pH sensors; potentiometric; graphite-CuO; Printed Sensor; Water quality monitoring; OF-THE-ART;
D O I
10.1109/FLEPS51544.2021.9469778
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This work presents a flexible potentiometric pH sensor consisting of a graphite-CuO sensitive electrode and an Ag/AgCl reference electrode. The pH sensor was fabricated by using a simple stencil hand printing technique at room temperature. The results demonstrate that the flexible printed graphite-CuO based pH sensor exhibits a linear response in a wide range of pH 4 to 10.5 with the sensitivity of 22.60 +/- 1.3 mV/pH and a response time of 5 s. The developed flexible and miniaturized pH sensor is stable in the water for a long time (more than 1 month) and can be used for online water quality monitoring.
引用
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页数:4
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