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Sensing properties of amperometric ppb-level NO2 sensor based on sodium ion conductor with sensing electrodes comprising different WO3 nanostructures
Zheng, Xiaohong; Zhang, Cheng; Xia, Jinfeng; Zhou, Guohong; Jiang, Danyu; Wang, Shiwei; Li, Xin; Shen, Yibo; Dai, Mengting; Wang, Bing; Li, Qiang
2019-04-01
Source PublicationJOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
Volume54Issue:7Pages:5311
SubtypeArticle
AbstractIn this study, amperometric NO2 sensors based on Na+ superionic conductor electrolyte and sensing electrodes with different WO3 nanostructures (WO3 nanoparticles, WO3 nanosheets, and mesoporous WO3) have been fabricated and compared. Sensing properties, such as optimum test temperature, sensitivity, repeatability, and selectivity have been determined and compared. Compared with the literatures, the sensors, prepared using three different WO3 nanostructures, all showed improved sensing properties to 100-1000ppb NO2 at low work temperatures of 100-150 degrees C. Among above sensors, the sensor equipped with mesoporous WO3 sensing electrode exhibited the best amperometric sensitivity characteristics and the minimum test temperature. The relationship between the sensing properties and the mesoporous structure has also been discussed. What's more, the sensor can test ppb-level NO2 in low temperature, which makes it possible to monitor low concentrations of NO2 in the air.
DOI10.1007/s10853-018-03189-7
Language英语
WOS Research AreaMaterials Science
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27249
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zheng, Xiaohong,Zhang, Cheng,Xia, Jinfeng,et al. Sensing properties of amperometric ppb-level NO2 sensor based on sodium ion conductor with sensing electrodes comprising different WO3 nanostructures[J]. JOURNAL OF MATERIALS SCIENCE,2019,54(7):5311.
APA Zheng, Xiaohong.,Zhang, Cheng.,Xia, Jinfeng.,Zhou, Guohong.,Jiang, Danyu.,...&Li, Qiang.(2019).Sensing properties of amperometric ppb-level NO2 sensor based on sodium ion conductor with sensing electrodes comprising different WO3 nanostructures.JOURNAL OF MATERIALS SCIENCE,54(7),5311.
MLA Zheng, Xiaohong,et al."Sensing properties of amperometric ppb-level NO2 sensor based on sodium ion conductor with sensing electrodes comprising different WO3 nanostructures".JOURNAL OF MATERIALS SCIENCE 54.7(2019):5311.
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