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SnO2 Whiskers with Pd Nanoparticles for Gas Sensor Applications

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Promising for the gas sensing one-dimensional tin oxide (SnO2) structures are reported. Antimony-doped SnO2 single crystal whiskers have been synthesized by in situ doping process in horizontal flow reactor. The surface of the whiskers was modified with different amount of Pd and investigated by means of atomic force microscopy (AFM). The obtained AFM data are explained by a model of Pd nanoparticles growth on the whisker surface. Sensor performance of the whiskers with Pd coating was studied and an increase of the sensor signal towards 10 ppm of carbon monoxide is found for the whiskers covered by certain amount of Pd.
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Keywords: GAS SENSOR; NANOPARTICLES; PALLADIUM; TIN OXIDE; WHISKER

Document Type: Research Article

Publication date: November 1, 2012

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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