Multifunctional Inorganic Nanomaterial Aerogel Assembled into fSWNT Hydrogel Platform for Ultraselective NO2 Sensing

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dc.contributor.authorCho, Hee-Jinko
dc.contributor.authorKim, Il-Dooko
dc.contributor.authorJung, Sung Miko
dc.date.accessioned2020-04-02T06:20:05Z-
dc.date.available2020-04-02T06:20:05Z-
dc.date.created2020-03-30-
dc.date.created2020-03-30-
dc.date.issued2020-03-
dc.identifier.citationACS APPLIED MATERIALS & INTERFACES, v.12, no.9, pp.10637 - 10647-
dc.identifier.issn1944-8244-
dc.identifier.urihttp://hdl.handle.net/10203/273784-
dc.description.abstractFacile fabrication of multifunctional porous inorganic aerogels remains an outstanding challenge despite the considerable demand for extensive applications. Here, we present the production of a multifunctional porous inorganic nanomaterial aerogel by controllable surface chemistry of a functionalized SWNT (fSWNT) hydrogel platform for the first time. The versatile functional inorganic nanoparticles can be incorporated uniformly on the porous 3D fSWNT hydrogel platform through a facile dip coating method at ambient conditions. The morphology of the multifunctional inorganic aerogel is manipulated by designing the fSWNT hydrogel platform for different requirements of applications. In particular, Pt-SnO2@fSWNT aerogels exhibit high porosity and uniformly distributed ultrafine Pt and SnO2 on the fSWNT platform with controllable particle size (1.5-3.5 nm), which result in significantly high surface area (393 m(2) g(-1)). The ultrafine Pt-SnO2@fSWNT aerogels exhibit highly sensitive (14.77% at 5 ppm) and selective NO2 sensing performance even at room temperature due to the increased active surface area and controllable porous structure of the ultrafine aerogel, which can provide fast transport and penetration of a target gas into the sensing layers. The newly designed multifunctional inorganic aerogel with ultrahigh surface area and high open porosity is a prospective materials platform of high performance gas sensors, which could be also broadly expanded to widespread applications including catalysis and energy storages.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleMultifunctional Inorganic Nanomaterial Aerogel Assembled into fSWNT Hydrogel Platform for Ultraselective NO2 Sensing-
dc.typeArticle-
dc.identifier.wosid000518702300058-
dc.identifier.scopusid2-s2.0-85080104975-
dc.type.rimsART-
dc.citation.volume12-
dc.citation.issue9-
dc.citation.beginningpage10637-
dc.citation.endingpage10647-
dc.citation.publicationnameACS APPLIED MATERIALS & INTERFACES-
dc.identifier.doi10.1021/acsami.9b21174-
dc.contributor.localauthorKim, Il-Doo-
dc.contributor.nonIdAuthorJung, Sung Mi-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthormultifunctional ultrafine inorganic aerogel-
dc.subject.keywordAuthorPt-SnO2@fSWNT aerogel-
dc.subject.keywordAuthorfSWNT hydrogel platform-
dc.subject.keywordAuthorultraselective NO2 gas sensing-
dc.subject.keywordAuthorroom temperature sensor-
dc.subject.keywordPlusSNO2 NANOTUBES-
dc.subject.keywordPlusEFFICIENT DETECTION-
dc.subject.keywordPlusGRAPHENE-
dc.subject.keywordPlusOXIDE-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusLAYER-
dc.subject.keywordPlusROUTE-
dc.subject.keywordPlusELECTROCATALYSTS-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusTRANSITION-
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