Abstract
SnO2 nanoparticle thin film has been synthesized by using thermal chemical vapor deposition (CVD). The SnO2 nanoparticle were growth on Au catalyst at different substrate temperature (400~550oC). The surface morphology of were characterized using field emission scanning electron microscopy (FESEM). The sensing properties of SnO2 nanoparticle thin film were examined using two point probe current-voltage (I-V) measurement (Keithley 2400). Heavily distribution of SnO2 nanoparticle thin film at 450°C that reveal from the FESEM image. The higher sensitivity of SnO2 nanoparticle thin film was performed good at 450°C compare to others samples with 45 ratio. The response and recovery of SnO2 nanoparticle thin film were 485 s and 24s respectively.
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