Hydrogen sensors are fabricated by self-assembled method that the SnO2nanowires sensing layer are directly synthesized on the Cr-Au comb-shape interdigitating electrodes by thermal evaporation of SnO2and active carbon mixture powders for decreasing the ratio of explosion and improving the safe of production
usage
transport and storage for hydrogen by investing the hydrogen with lower volume fraction.The sensors have highly gas sensitive property for the rather lower hydrogen volume fraction at the range of 10×10-6
5
00×10-6.
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references
Tin Dioxide Opals and Inverted Opals: Near‐Ideal Microstructures for Gas Sensors [J] . R. W. J.Scott,S. M.Yang,G.Chabanis,N.Coombs. Adv. Mater. . 2001 (19)