Nanocrystalline Tin Oxide Thick-Film Gas Sensor for H2S Detection

摘要：

　　Nanocrystalline thick-film gas sensor was fabricated by screen printing method with CuO-doped tin oxide powder synthesized by hydrothermal method.Average grain size of the CuO-doped tin oxide powders was typically below 10 nanometers and the thick-films had a narrow grain size distribution typically below 50 nanometers.Effect of the amount of CuO on the sensing properties was investigated and the optimal value was found to be 3 wt%.The nanocrystalline CuO-SnO2 thick-film gas sensors were more sensitive to H2S than those based on commercial micro SnO2 powders,which were attractive to the detection of low concentrations of H2S gas at relative low temperatures.

关键词： Tin dioxide Nanocrystalline thick film Hydrothermal method

作者: Shuping Gong Lihua Huang Huan Liu Ming Li Dongxiang Zhou

作者单位: Research Center for Functional Ceramics of the Ministry of Education,Engineering Research Center for Functional Ceramics of the Ministry of Education,Department of Electronic Science & Technology,Huazhong University of Science & Technology,Wuhan 430074,P.R.China

会议类型: 国际会议

会议名称: The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))

会议地点: 长沙

会议语种:英文

页码: 521-523

在线出版日期: 2007-05-10（万方平台首次上网日期，不代表论文的发表时间）