An Enhanced Fast Ethanol Sensor Based on Zinc Oxide/Nickel Oxide Nanocomposite in Dynamic Situations

被引：17
作者：
Hezarjaribi, Shaqayeq Teymoori [1 ]
Nasirian, Shahruz [1 ]
机构：
[1] Mazandaran Univ Sci & Technol, Dept Elect & Med Engn, Sardaran 12 Ave,Sheikh Tabarsi St,POB 734, Babol Sar, Iran
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2020年 / 30卷 / 10期
关键词：
Zinc oxide; nickel oxide nanocomposite; Gas sensor; Ethanol gas; Dynamic situations; Room temperature; GAS-SENSING PROPERTIES; HYDROTHERMAL SYNTHESIS; SELECTIVE ETHANOL; TEMPERATURE; PERFORMANCE; NANOSHEETS; NANORODS; FABRICATION; NANOWIRES; FACILE;
D O I：
10.1007/s10904-020-01556-z
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Measuring ethanol levels in dynamic conditions calls for smart fast response sensors. Herein we report, fabrication and characterization of a Zinc oxide/Nickel oxide nanocomposite (ZN) for use as an ethanol gas (ET) sensor. Based on XRD, FESEM, and BET measurements, it is found that the formed ZN has a novel nano-worm morphology, and the specific surface area about 19.5 m(2) gm(-1). The ET sensing results of the ZN sensor (ZNS) toward 0.025 vol% ET demonstrated an appropriate response value of 32.48% with a less response/recovery time of 2.7/3.6 s at room temperature. Moreover, the effect of various humidity levels on the sensor response as a function of gas concentration investigated. Our handmade sensor revealed not only long-term stability over four months with a small degradation of 9%, but also the excellent selectivity toward the ET than other gases. Finally, the ET sensing mechanism of the ZNS discussed, as well. Graphic
引用
收藏
页码：4072 / 4081
页数：10
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