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Synthesis and Characterization of Cu-SnO2 Nanoparticles Deposited on Glass Using Ultrasonic Spray Pyrolysis and their H2S Sensing Properties

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Abstract:

High quality 3%Cu-SnO2 nanoparticles have been prepared onto the glass substrate by using novel and economical ultrasonic spray pyrolysis technique. The X-ray diffraction patterns showed that 3% Cu-SnO2 nanoparticles formed in tetragonal rutile structure. The intensities of peaks shown by X-ray pattern were indexed as (110), (101), (200) and (211). The microstructure, surface morphology, particle size and elemental properties of 3%Cu-SnO2 nanoparticles were characterized using, scanning electron microscope (SEM), and Transmission electron microscopy (TEM). These nanoparticles were tested for H2S sensors applications. It was observed that 3% Cu-SnO2 nanoparticles exhibited remarkable sensitivity to H2S (200 ppm) gas at 150ÂșC, more precisely showing good response and recovery.

Keywords: Cu-SnO2; H2S sensors; SEM; TEM; nanoparticles; ultrasonic spray pyrolysis

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/157341312803988980

Publication date: December 1, 2012

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  • Current Nanoscience publishes authoritative reviews and original research reports, written by experts in the field on all the most recent advances in nanoscience and nanotechnology. All aspects of the field are represented including nano- structures, synthesis, properties, assembly and devices. Applications of nanoscience in biotechnology, medicine, pharmaceuticals, physics, material science and electronics are also covered. The journal is essential to all involved in nanoscience and its applied areas.

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