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Platinum is widely used in improving the response properties of gas sensors. This work aims to promote the rate of response of a Pt/TiO2 sensor exposed to H2/O2. The surface of the sensing layer was modified by an H2PtCl6-containing solution and treated under different conditions. The sensor treated at 900°C showed a response time of about 40 millisecond (ms) when exposed to H2 and 20ms exposed to...
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