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Crystalline SnO2 Nanoparticles: Hydrothermal Synthesis and their Low-temperature Ethanol Sensing Characteristics
Zhu Chunling 1,Wang LiJiao 2,Cao MaoSheng 3,Shi XiaoLing 3,chen yujin 2 *
1.College of Materials Science and Chemical Engineering, Harbin Engineering University
2.College of Science, Harbin Engineering University
3.School of Materials Science and Engineering, Beijing institute of Technology
*Correspondence author
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Funding: 国家自然科学基金,教育部博士点新教师基金,中国博士后基金,哈尔滨市创新基金(No. 50772025,20070217002, 20060400042, RC2006QN017016)
Opened online:14 August 2008
Accepted by: none
Citation: Zhu Chunling ,Wang LiJiao ,Cao MaoSheng .Crystalline SnO2 Nanoparticles: Hydrothermal Synthesis and their Low-temperature Ethanol Sensing Characteristics[OL]. [14 August 2008] http://en.paper.edu.cn/en_releasepaper/content/23382
 
 
Crystalline SnO2 nanoparticles (NPs) with a diameter less than 6 nm were synthesized using as potassium stannate trihydrate as precursor in a basic system. The synthesized NPs can detect ethanol at ppm level even at 100℃. Furthermore, the NPs have good selectivity to ethanol. The excellent ethanol sensing performances are attributed to the small size effect according to space-charge model.
Keywords:SnO2 Nanoparticles; Ethanol Sensing performance; low temperature
 
 
 

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