文献类型：期刊文献

英文题名：Gas sensor arrays based on polymer-carbon black to detect organic vapors at low concentration

作者：Xie, Haifen[1,2,3]; Yang, Qiudong[1,4]; Sun, Xiaoxiang[1,4]; Yang, Juanjuan[1]; Huang, Yiping[1]

机构：[1]Fudan Univ, ASIC, Shanghai 200433, Peoples R China;[2]Fudan Univ, Syst State Key Lab, Dept Microelect, Shanghai 200433, Peoples R China;[3]E China Univ Sci & Technol, Dept Phys, Shanghai 201512, Peoples R China

年份：2006

卷号：113

期号：2

起止页码：887

外文期刊名：SENSORS AND ACTUATORS B-CHEMICAL

收录：;EI(收录号：2006069689654);WOS:【SCI-EXPANDED(收录号:WOS:000235593200042)】；

语种：英文

外文关键词：gas sensors; polymer; carbon black; resistance change

摘要：A novel chemical gas sensor array composed of polymer-carbon black is successfully fabricated. Poly(4-vinyl phenol) (PVPH), poly(ethylene oxide) (PEO), polycaprolactone (PCL) mixed with carbon black 2000 are employed as the sensing materials which are immobilized on the array of the interdigitated microelectrode pairs. The resistance changes with the organic gases (acetone, ethanol, toluene, methanol Tetrahydrofuran) and their mixed gases at low concentration have been examined. By the pattern recognition analysis of the responses of microsensors, five single gases and their mixed gases can be easily identified at the concentrations between 200 and 2000 ppm. The measurement data show that this configuration of interdigitated microelectrodes is a good choice to detect the low concentration of organic gases (c) 2005 Elsevier B.V. All rights reserved.