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Gas Chemical Nanosensors with Sensing Elements Based on Copper and Nickel Oxides
Reviews and Advances in Chemistry Pub Date : 2018-02-26 , DOI: 10.1134/s2079978018010016
V. A. Buzanovskii

The results of the development of gas chemical nanosensors with sensing elements based on copper and nickel oxides are presented in the review. The developed devices are systematized in accordance with the construction features of their sensing elements. Both types of nanosensors are divided into three groups. The first group includes devices with sensing elements containing a coating of only copper oxide or nickel oxide. The second group combines devices with sensing elements containing a coating of a layer of copper oxide or nickel oxide with an outer layer of another material. The third group are nanosensors with sensing elements containing a coating in the form of a layer of a composite material based on copper oxide or nickel oxide. The performance characteristics of these groups of devices are considered. Some patterns in their behavior are discussed. In particular, the potential of nanosensors in the identification of a large number of inorganic and organic chemical compounds is demonstrated. The effect of the morphology, thickness, and composition of the coating and temperature of the sensing elements on the sensitivity and selectivity of measurements and the response and recovery times is shown.

中文翻译:

具有基于铜和镍氧化物的传感元件的气体化学纳米传感器

评论中介绍了具有基于铜和镍氧化物的传感元件的气体化学纳米传感器的开发结果。所开发的设备根据其传感元件的结构特征进行系统化。两种类型的纳米传感器都分为三类。第一组包括带有感应元件的设备,这些感应元件仅包含氧化铜或氧化镍涂层。第二组将具有感应元件的设备组合在一起,感应元件包含一层氧化铜或氧化镍以及另一种材料外层的涂层。第三类是具有感测元件的纳米传感器,该感测元件包含以基于氧化铜或氧化镍的复合材料层的形式的涂层。考虑了这些设备组的性能特征。讨论了其行为的一些模式。特别地,证明了纳米传感器在鉴定大量无机和有机化合物中的潜力。显示了涂层的形态,厚度和组成以及传感元件的温度对测量的灵敏度和选择性以及响应和恢复时间的影响。
更新日期:2018-02-26
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