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Preparation of WO3 Gas Sensor and H-2-Sensing Properties
Alternative TitleRare Metal Mat. Eng.
Cai Wentao1; Tang Zilong; Xu Yuxing2; Zhang Zhongtai
2011-11-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume40Issue:11Pages:2051-2054
AbstractHexagonal WO3 nanorods and orthorhombic WO3 nanoparticles were prepared by a simple hydrothermal method with Na2WO4 center dot 2H(2)O and hydrochloric acid as raw materials, and then WO3 was prepared into gas sensor by a screen printing method. The gas sensitivity of the sensor was investigated in the H-2 concentration range from 5 to 100 mu L/L at 200, 250, 300 and 350 degrees C. The results show that the sensitivity, stability and response-restoring characteristics of the H-2 gas sensors are all excellent. When n(Na2WO4 center dot 2H(2)O):n(HCl) = 1:2, the sensitivity and stability of the product are the highest. And the sensitivity of the H-2 gas sensor gradually ascends as the temperature and the H-2 concentration are increased.; Hexagonal WO3 nanorods and orthorhombic WO3 nanoparticles were prepared by a simple hydrothermal method with Na2WO4 center dot 2H(2)O and hydrochloric acid as raw materials, and then WO3 was prepared into gas sensor by a screen printing method. The gas sensitivity of the sensor was investigated in the H-2 concentration range from 5 to 100 mu L/L at 200, 250, 300 and 350 degrees C. The results show that the sensitivity, stability and response-restoring characteristics of the H-2 gas sensors are all excellent. When n(Na2WO4 center dot 2H(2)O):n(HCl) = 1:2, the sensitivity and stability of the product are the highest. And the sensitivity of the H-2 gas sensor gradually ascends as the temperature and the H-2 concentration are increased.
KeywordTungsten Oxide Gas Sensing Hydrothermal Method
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordOXIDE
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000303782000038
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6453
Collection研究所(批量导入)
Affiliation1.Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cai Wentao,Tang Zilong,Xu Yuxing,et al. Preparation of WO3 Gas Sensor and H-2-Sensing Properties[J]. RARE METAL MATERIALS AND ENGINEERING,2011,40(11):2051-2054.
APA Cai Wentao,Tang Zilong,Xu Yuxing,&Zhang Zhongtai.(2011).Preparation of WO3 Gas Sensor and H-2-Sensing Properties.RARE METAL MATERIALS AND ENGINEERING,40(11),2051-2054.
MLA Cai Wentao,et al."Preparation of WO3 Gas Sensor and H-2-Sensing Properties".RARE METAL MATERIALS AND ENGINEERING 40.11(2011):2051-2054.
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WO3气敏材料的制备及H2敏感性能.pd(910KB) 限制开放CC BY-NC-SAApplication Full Text
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