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Synergetic p plus n Field-Effect Transistor Circuits for ppb-Level Xylene Detection
Zhou, Xinyuan1,2,3; Wang, Ying1,2,3; Wang, Zhou1,2,3; Yang, Liping1,2,3; Wu, Xiaofeng1,2,3; Han, Ning1,2,3; Chen, Yunfa1,2,3
2018-05-01
Source PublicationIEEE SENSORS JOURNAL
ISSN1530-437X
Volume18Issue:9Pages:3875-3882
AbstractNowadays, xylene is not only one major air pollutant which threats human health even if its concentration is lower than the human olfactory threshold of 470 ppb, but also one of the typical gases exhaled by the lung cancer patients with a criterion of 10-20 ppb. However, in situ detection of the ppb-level xylene for air quality monitoring and breath analysis remains challenging using the easily fabricated and low cost metal oxide semiconductor gas sensors. Herein, a synergetic p+ n field effect transistor (FET) amplification circuit is designed to detect the ppb level xylene. By optimizing the load resistor (RL) and the p- and n-FET coupling effect, a magnification factor (similar to 7.5) is obtained. This amplification circuit decreases the detection limit of TGS2602 sensor to similar to 10 ppb xylene with apparent response of about 2.3 and voltage change of >0.5 V, promising for air quality monitoring (the highest permissive limit of 42 ppb) and breath disease analysis (threshold of lung cancer 10-20 ppb). The mechanism is that the matched couple of p + n FETs work synchronically when their (R-L+ RFET)-I curves nearly coincide with each other. All those results show the prospect of ppb level gas detection with MOX sensors using the synergetic p + n FET amplification circuit.
KeywordEnvironment And Health Field Effect Transistor Trace Concentration Xylene Amplification Effect Metal Oxide Semiconductor Sensor
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1109/JSEN.2018.2818710
Indexed BySCI
Language英语
WOS KeywordGAS-SENSING PROPERTIES ; SOLID-PHASE MICROEXTRACTION ; VOLATILE ORGANIC-COMPOUNDS ; LUNG-CANCER ; HIERARCHICAL NANOSTRUCTURES ; QUANTITATIVE-ANALYSIS ; SENSITIVE DETECTION ; EXHALED BREATH ; ZNO NANOWIRES ; SENSOR
WOS Research AreaEngineering ; Instruments & Instrumentation ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Instruments & Instrumentation ; Physics, Applied
Funding OrganizationNational Key Research and Development Program of China(2016YFC0207100) ; National Natural Science Foundation of China(51272253) ; Guangdong Innovative and Entrepreneurial Research Team Program(2014ZT05C146) ; State Key Laboratory of Multiphase Complex Systems(MPCS-2014-C-01)
WOS IDWOS:000429694400046
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24181
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Xinyuan,Wang, Ying,Wang, Zhou,et al. Synergetic p plus n Field-Effect Transistor Circuits for ppb-Level Xylene Detection[J]. IEEE SENSORS JOURNAL,2018,18(9):3875-3882.
APA Zhou, Xinyuan.,Wang, Ying.,Wang, Zhou.,Yang, Liping.,Wu, Xiaofeng.,...&Chen, Yunfa.(2018).Synergetic p plus n Field-Effect Transistor Circuits for ppb-Level Xylene Detection.IEEE SENSORS JOURNAL,18(9),3875-3882.
MLA Zhou, Xinyuan,et al."Synergetic p plus n Field-Effect Transistor Circuits for ppb-Level Xylene Detection".IEEE SENSORS JOURNAL 18.9(2018):3875-3882.
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