Ozone Sensing Based on Palladium Decorated Carbon Nanotubes
AbstractMultiwall carbon nanotubes (MWCNTs) were easily and efficiently decorated with Pd nanoparticles through a vapor-phase impregnation-decomposition method starting from palladium acetylacetonates. The sensor device consisted on a film of sensitive material (MWCNTs-Pd) deposited by drop coating on platinum interdigitated electrodes on a SiO2 substrate. The sensor exhibited a resistance change to ozone (O3) with a response time of 60 s at different temperatures and the capability of detecting concentrations up to 20 ppb. The sensor shows the best response when exposed to O3 at 120 °C. The device shows a very reproducible sensor performance, with high repeatability, full recovery and efficient response.
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Colindres, S.C.; Aguir, K.; Cervantes Sodi, F.; Vargas, L.V.; Salazar, J.A.M.; Febles, V.G. Ozone Sensing Based on Palladium Decorated Carbon Nanotubes. Sensors 2014, 14, 6806-6818.
Colindres SC, Aguir K, Cervantes Sodi F, Vargas LV, Salazar JAM, Febles VG. Ozone Sensing Based on Palladium Decorated Carbon Nanotubes. Sensors. 2014; 14(4):6806-6818.Chicago/Turabian Style
Colindres, Selene C.; Aguir, Khalifa; Cervantes Sodi, Felipe; Vargas, Luis V.; Salazar, José A.M.; Febles, Vicente G. 2014. "Ozone Sensing Based on Palladium Decorated Carbon Nanotubes." Sensors 14, no. 4: 6806-6818.