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Influence of In2O3 Nanocrystals Size on the Sensitivity to NO2

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Influence of NO2 gas adsorption on electrical conductivity of nanocrystalline indium oxide with various sizes of nanocrystals was investigated. The sensitivity (the ratio between In2O3 conductivity in air and the conductivity after NO2 adsorption) increases at first with nanocrystals size reduction, but then the decrease is observed. The explanation of nonmonotonic dependence of sensitivity was proposed.
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Keywords: ADSORPTION; CONDUCTIVITY; NANOCRYSTALLINE INDIUM OXIDE; NITROGEN DIOXIDE

Document Type: Research Article

Publication date: 2011-12-01

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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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