Abstract
This paper has reviewed the recent research progress on the application of thin-film transistors in pH sensors, specifically on aspects related to the structures and materials, including active channels and the top gate dielectrics. Results indicate that the pH sensitivity can be promoted by the utilization of specific structures. Moreover, employing proper top gate dielectrics and active channels can promote the capacitance ratio of the top-gate dielectric to the bottom-gate dielectric, such as the a-IGZO as the active channel and Ta2O5 as the top gate dielectric

Keywords
ph sensors, thin film transistor, structure, material

Cite this paper
Lei Qiang, Songyan Li, A review of the application of thin film transistor in ph sensors , SCIREA Journal of Physics. Volume 5, Issue 5, October 2020 | PP. 91-99.

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