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题名: Preparation and characterization of La1-xSr xFeO3 materials and their formaldehyde gas-sensing properties
作者: Yao, Peng-Jun1, 2;  Wang, Jing1;  Chu, Wen-Ling3;  Hao, Yu-Wen1
刊名: JOURNAL OF MATERIALS SCIENCE
发表日期: 2013
DOI: 10.1007/s10853-012-6758-7
卷: 48, 期:1, 页:441-450
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: La1-x Sr (x) FeO3 (x = 0.0-1.0) nanoparticles have been synthesized by a sol-gel method. The samples are characterized by thermogravimetric/differential thermal analysis (TG/DTA), X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The La1-x Sr (x) FeO3 (x = 0.0-1.0) materials have been sintered at 650 A degrees C. Both the structural properties and phase transitions with increasing strontium content in La1-x Sr (x) FeO3 are presented by analysis of XRD data. Formaldehyde gas-sensing properties of La1-x Sr (x) FeO3 have been investigated. The experimental results show that the optimum operating temperatures of La1-x Sr (x) FeO3 varies with Sr content of x. Among all the samples, La0.7Sr0.3FeO3 shows a maximum response to formaldehyde. Finally, the formaldehyde gas-sensing mechanism has been presented.
关键词[WOS]: PEROVSKITE OXIDES ;  COMBUSTION METHOD ;  SENSOR ;  SENSITIVITY ;  FILM ;  MICROSTRUCTURE ;  BEHAVIOR ;  SMFE1-XCOXO3 ;  PERFORMANCE ;  OXIDATION
语种: 英语
WOS记录号: WOS:000312874700044
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137852
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Sch Elect Sci & Technol, Dalian 116023, Peoples R China
2.Shenyang Normal Univ, Sch Educ Technol, Shenyang 110034, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Yao, Peng-Jun,Wang, Jing,Chu, Wen-Ling,et al. Preparation and characterization of La1-xSr xFeO3 materials and their formaldehyde gas-sensing properties[J]. JOURNAL OF MATERIALS SCIENCE,2013,48(1):441-450.
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