Hydrogen Sensing Properties of an Anodized TiO2 Film Equipped with a Pd-Pt Electrode
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概要
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An anodized TiO2 sensor equipped with a Pd-Pt electrode was subjected to heat treatment in air (air-treated) and additionally in N2 (N2-treated), and then its responses to H2 balanced with air or N2 were investigated under dry and wet conditions. Among the conditions tested, the N2-treated sensor showed the largest H2 response in dry N2 atmosphere. But, H2 response of the air-treated sensor increased with the existence of water vapor, while that of the N2-treated sensor decreased with the existence of water vapor. As a result, H2 response of the air-treated sensor in wet air was quite comparable with that of the N2-treated sensor in wet N2. Thus, it was revealed that the existence of water vapor reduced the pretreatment- and measurement atmosphere-dependent H2 response of the sensor.
- The Electrochemical Societyの論文
- 2008-10-00
The Electrochemical Society | 論文
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