A novel electronic nose based on porous In2O3 microtubes sensor array for the discrimination of VOCs.

作者: Yang W, Wan P, Jia M, Hu J, Guan Y, Feng L
学科名称: 医学
成果类型: 期刊论文
数据来源: ESI SCIE EI
发表日期: 2015
年卷期页: 2015,64,547-53
期刊名: 《Biosensors & bioelectronics》 影响因子和分区 年份    影响因子    区号
2017    8.173        3区 2016    7.780        3区 2015    7.476        3区 2014    6.409        3区 2013    5.437        3区
英文关键词: Biomimetics;Conductometry;Equipment Design;Equipment Failure Analysis;Humans;Indium;Nose;Semiconductors;Smell;Transducers;Volatile Organic Compounds;Electronic nose;In(2)O(3);Microtubes;Sensor array;Volatile organic compound
英文摘要: We have innovatively developed an electronic nose consisting of only one type of semiconductor metal oxide (SMO) material. The representative SMO material, porous In2O3 microtubes in this work, offered great surface area and large gas penetration channels. By using a solvent casting process, different amounts of porous In2O3 microtubes were coated on Al2O3 substrate, forming a resistometric SMO sensor array-based electronic nose. Each sensing unit in the electronic nose exhibited independent response toward ethanol. We have successfully applied this electronic nose to distinguish four alcohols at the same concentrations (100 ppm), and also utilized the electronic nose for the discrimination of 14 volatile organic compounds (VOCs). Clear differentiation among all the 14 VOCs both at their immediately dangerous to life or health (IDLH) and the permissible exposure limit (PEL) concentrations has been achieved with no errors or misclassifications. We expect that this method will expand the application of SMO sensor array-based electronic nose which has been largely limited by the selection of commercially available SMOs and dopants.
语言: England
出版类型: Journal Article;Research Support, Non-U.S. Gov't
主题: Volatile Organic Compounds;Indium;indium oxide
作者地址: Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, PR China; College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, PR China. [1]
Faculty of Chemical, Environmental and Biological Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, PR China. [2]
Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, PR China. [3]
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, PR China. [4]
Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, PR China. [5]
Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, PR China. Electronic address: fengl@dicp.ac.cn. [6]
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