Supported copper oxide nanosystems (CuxO, x=1,2) were synthesized by Chemical Vapor Deposition(CVD) on Al2O3 substrates. Structural and morphological characterization showed an evolution frompolycrystalline Cu2O nanodeposits to CuO samples with an entangled quasi 1-D morphology uponincreasing the growth temperature from 350 to 550°C. For the first time, CVD copper oxide nanosystemswere investigated in the gas sensing of CH3COCH3 and CH3CH2OH. The analyses revealed appreciableresponses even at moderate operating temperatures, with characteristics directly dependent on the systemcomposition and nano-organization
Chemical Vapor Deposition of Cu2O and CuO nanosystems for innovative gas sensors
E Comini;G Sberveglieri;D Barreca;
2009
Abstract
Supported copper oxide nanosystems (CuxO, x=1,2) were synthesized by Chemical Vapor Deposition(CVD) on Al2O3 substrates. Structural and morphological characterization showed an evolution frompolycrystalline Cu2O nanodeposits to CuO samples with an entangled quasi 1-D morphology uponincreasing the growth temperature from 350 to 550°C. For the first time, CVD copper oxide nanosystemswere investigated in the gas sensing of CH3COCH3 and CH3CH2OH. The analyses revealed appreciableresponses even at moderate operating temperatures, with characteristics directly dependent on the systemcomposition and nano-organizationFile in questo prodotto:
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