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Flexible and Printed Potentiometric pH Sensor for Water Quality Monitoring

Hosseini, Ensieh S.; Manjakkal, Libu; Dahiya, Ravinder

Authors

Ensieh S. Hosseini

Ravinder Dahiya



Abstract

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.

Citation

Hosseini, E. S., Manjakkal, L., & Dahiya, R. (2021). Flexible and Printed Potentiometric pH Sensor for Water Quality Monitoring. In 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS). https://doi.org/10.1109/fleps51544.2021.9469778

Conference Name 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)
Conference Location Manchester, United Kingdom
Start Date Jun 20, 2021
End Date Jun 23, 2021
Online Publication Date Jul 5, 2021
Publication Date 2021
Deposit Date Jul 28, 2022
Publisher Institute of Electrical and Electronics Engineers
Book Title 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)
DOI https://doi.org/10.1109/fleps51544.2021.9469778
Keywords pH sensors, potentiometric, graphite-CuO, Printed Sensor, Water quality monitoring
Public URL http://researchrepository.napier.ac.uk/Output/2893015