Pd-Ag film coated LPG for hydrogen sensing

Yang Fang; Fajie Duan; Min Zhang; Liwei Wang; Yanbiao Liao

doi:10.1117/12.923871

12 April 2012 Pd-Ag film coated LPG for hydrogen sensing

Yang Fang, Fajie Duan, Min Zhang, Liwei Wang, Yanbiao Liao

Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 840935 (2012) https://doi.org/10.1117/12.923871
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China

Abstract

A palladium silver (Pd-Ag) film coated LPG for hydrogen sensing is represented in this paper. This hydrogen sensor is a LPG coated with Pd-Ag film, and the thick of the film is about 70nm. When the sensor is exposed to hydrogen, the refractive index of Pd-Ag will change, and it will cause the shift of the resonance wavelength of LPG. Therefore, the concentration of hydrogen can be monitored by measuring the shift of resonance wavelength of LPG. The preliminary experiment shows that Pd-Ag film coated LPG has an obvious response to 3~4% hydrogen, with a response time of a few minutes at 4% hydrogen.

Citation Download Citation

Yang Fang, Fajie Duan, Min Zhang, Liwei Wang, and Yanbiao Liao "Pd-Ag film coated LPG for hydrogen sensing", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 840935 (12 April 2012); https://doi.org/10.1117/12.923871

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