Abstract
NH3 is a type of foul smelling gas, when breathed beyond a comfortable level, is extremely hazardous to human health. Developing of room-temperature ammonia sensors are one of the challenging task in research. Manganese ferrites and cobalt doped manganese ferrites nanoparticles were successfully produced in this work, and used as a sensing material for ammonia gas sensor, also getting the better results at room temperature. The synthesized materials were confirmed by various characterization techniques namely XRD, SEM & EDAX, FTIR, and DRS. Three different weight percentage (1, 3, and 5 wt%) of Co is doped with MnFe2O4 nanomaterial and study the optical properties and the ammonia sensing ability comparatively. From that 5 wt% Co: MnFe2O4 nanoparticles shows good sensing percentage of about 75.3 %.
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