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Flexible ultra-sensitive and resistive NO2 gas sensor based on nanostructured Zn(x)Fe(1-x)2O4

机译:基于纳米结构Zn(x)Fe(1-x)2O4的柔性超敏和电阻No2气体传感器

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摘要

Low concentration gas detection, rapid response time and low working temperature are anticipated for a varied range of toxic gas detection applications. Conversely, the existing gas sensors suffer mostly from a high working temperature along with a slow response at low concentrations of analytes. Here, we report an ultrasensitive flexible nanostructured Zn(x)Fe(1-x)2O4 (x = 0.1, 0.5 and 0.9) based chemiresistive sensor for nitrogen dioxide (NO2) detection. We evince that the prepared flexible sensor Zn(0.5)Fe(0.5)2O4 has detection potential as low as 5 ppm at a working temperature of 90 degrees C in a short phase. Further, the Zn(0.5)Fe(0.5)2O4 sensor exhibits excellent selectivity, stability and repeatability. The optimized sensor sensing characteristics can be helpful in tremendous development of foldable mobile devices for environmental monitoring, protection and control.
机译:预期低浓度气体检测,快速响应时间和低工作温度,用于各种有毒的气体检测应用。 相反,现有的气体传感器主要来自高工作温度以及低浓度的分析物的慢响应。 在此,我们报告了用于氮氧化氮(NO2)检测的超致敏柔性纳米结构Zn(x)Fe(1-x)2O4(x = 0.1,0.5和0.9)的化学传感器。 我们Evince,制备的柔性传感器Zn(0.5)Fe(0.5)2O4在短阶段的工作温度下具有低至5ppm的检测电位。 此外,Zn(0.5)Fe(0.5)2O4传感器表现出优异的选择性,稳定性和可重复性。 优化的传感器感测特性可以有助于巨大开发可折叠移动设备,用于环境监测,保护和控制。

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