A Proton Pumping Gate Field-Effect Transistor for a Hydrogen Gas Sensor |
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Authors: | Tsukada K. Yamaguchi T. Kiwa T. |
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Affiliation: | Okayama Univ., Okayama; |
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Abstract: | A proton pumping field-effect transistor (FET), consisting of a triple layer gate structure of a Pd/proton conducting polymer/Pt, has been developed. The hydrogen sensitivity was controlled by the bias change between Pt and Pd. Furthermore, two kinds of methods for the readout of DC and AC modulation can be achieved. According to the decrement of the bias frequency, the modulated output was increased. This characteristic realizes a gas sensor with a self-check function. |
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