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Nickel Oxide Nanomaterials: Growth, Characterization and Formaldehyde Gas Sensing Applications

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Different low dimensional NiO were successfully synthesized by a facile hydrothermal method and subsequent calcination and then fabricated as gas sensors to investigate their gas sensing properties. In addition, the gas sensors based on two-dimensional NiO exhibited higher gas response towards formaldehyde, while the one-dimensional NiO sensors show the superior response and recovery characteristics. The response time and recovery time for NiO nanosheets sensor toward formaldehyde were calculated about 16 s and 14 s, respectively. The response time and recovery time of NiO nanorods sensor were evaluated to be 3 s and 6 s, respectively. Such gas sensing investigations of low dimensional nanostructures may open an avenue to enhance the gas sensing performance of the sensing materials.
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Keywords: GAS SENSORS; HYDROTHERMAL; NANOSTRUCTURES; NIO

Document Type: Research Article

Publication date: August 1, 2018

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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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