Gas Sensor Demo

In the present work, Prosopis Juliflora, an invasive alien plant species, is processed and converted into a useful biomass carbon material. For gas sensing application, SnO2 nanoparticles are anchored on the Prosopis Juliflora biomass carbon leaves (BML) using a sol-gel process. The BML/SnO2 nanocomposite is fabricated and tested for hazardous NO2 gas sensing applications. The biomass carbon support and uniform distribution of SnO2 nanoparticles enabled the adsorption/desorption of target gas on the surface of the nanocomposite. The BML/SnO2 nanocomposite is assessed against highly toxic NO2 gas for varying concentrations and shows the maximum sensitivity of 31% for 90 ppm of the target gas. The overall gas sensing mechanism and significance of biomass carbon material is discussed in detail. In precise, the invasive species Prosopis juliflora is converted into useful biomass carbon and it is shown as one of the sustainable and alternative carbon support materials by successfully demonstrate the same as real time NO2 gas leak detecting system.