ZnSnO_3 nanoparticles were successfully synthesized using solid state method. The morphology and gas sensing properties were investigated. The results shows that the particles are cubic and the diameter is 150-200 nm. The sensor based on ZnSnO_3 nanoparticles exhibits an good response of about 26.6 to 1000 ppm ethanol at optimum operating temperature of 400oC. The response and recovery time is 16 s and 24 s respectively, showing excellent response and recovery characteristics.
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