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dc.contributor.author좌용호-
dc.date.accessioned2020-01-14T06:39:05Z-
dc.date.available2020-01-14T06:39:05Z-
dc.date.issued2019-04-
dc.identifier.citationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v. 44, No. 21, Page. 11266-11274en_US
dc.identifier.issn0360-3199-
dc.identifier.issn1879-3487-
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0360319919309279-
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/121816-
dc.description.abstractA novel method for fabrication of a thermochemical hydrogen (TCH) gas sensor composed of platinum (Pt)-decorated graphene sheets and a thermoelectric (TE) polymer nanocomposite was investigated. The hydrogen sensing characterization for the device included gas response, response time (T-90), recovery time (D-10), and reliability testing, which were systematically conducted at room temperature with a relative humidity of 55%. Here, the Pt-decorated graphene sheets act as both an effective hydrogen oxidation surface and a heat-transfer TE polymer nanocomposite having low thermal conductivity. This property plays an important role in generating output voltage signal with a temperature difference between the top and bottom surfaces of the nanocomposite. As a result, our TCH gas sensor can detect the range of hydrogen from 100 ppm to percentage level with good linearity. The best response and recovery time revealed for the optimized TCH gas sensor were 23 s and 17 s under 1000 ppm H-2/air, respectively. This type of sensor can provide an important component for fabricating thermoelectric-based gas sensors with favorable gas sensing performance. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipThis work was supported by the Technology Innovation Program (20002694, Gas sensor) funded By the Ministry of Trade, Industry & Energy (MOTIE, Korea) and the Fundamental Research Program of the Korea Institute of Materials Science (Grant POC2930).en_US
dc.language.isoen_USen_US
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_US
dc.subjectHydrogen sensoren_US
dc.subjectThermoelectricsen_US
dc.subjectInorganic/organic nanocompositeen_US
dc.subjectPt-decorated graphene sheeten_US
dc.subjectSegregated structureen_US
dc.titleFacial fabrication of an inorganic/organic thermoelectric nanocomposite based gas sensor for hydrogen detection with wide range and reliabilityen_US
dc.typeArticleen_US
dc.relation.no21-
dc.relation.volume44-
dc.identifier.doi10.1016/j.ijhydene.2019.03.004-
dc.relation.page11266-11274-
dc.relation.journalINTERNATIONAL JOURNAL OF HYDROGEN ENERGY-
dc.contributor.googleauthorKim, Seil-
dc.contributor.googleauthorSong, Yoseb-
dc.contributor.googleauthorHwang, Tae-Yeon-
dc.contributor.googleauthorLim, Jae-Hong-
dc.contributor.googleauthorChoa, Yong-Ho-
dc.relation.code2019002045-
dc.sector.campusE-
dc.sector.daehakCOLLEGE OF ENGINEERING SCIENCES[E]-
dc.sector.departmentDEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING-
dc.identifier.pidchoa15-
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COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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