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- Title
Novel Concept of Gas Sensitivity Characterization of Materials Suited for Implementation in FET-Based Gas Sensors.
- Authors
Ayadi, Yosri; Rahhal, Lama; Vilquin, Bertrand; Chevalier, Céline; Ambriz Vargas, Fabian; Ecoffey, Serge; Ruediger, Andreas; Sarkissian, Andranik; Monfray, Stéphane; Cloarec, Jean-Pierre; Drouin, Dominique; Souifi, Abdelkader
- Abstract
We propose a novel technique to investigate the gas sensitivity of materials for implementation in field-effect transistor-based gas sensors. Our technique is based on the measurement of the surface charge induced by gas species adsorption, using an electrometer. Platinum sensitivity to hydrogen diluted in synthetic air has been evaluated with the proposed charge measurement technique in the operation temperature range from 80 to 190 °C at constant H concentration of 4 % and for different concentrations ranging from 0.5 to 4 % at 130 °C.
- Subjects
GASES; DETECTORS; FIELD-effect transistors; SURFACE charges; ELECTROMETERS
- Publication
Nanoscale Research Letters, 2016, Vol 11, Issue 1, p1
- ISSN
1931-7573
- Publication type
Article
- DOI
10.1186/s11671-016-1687-z