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Electrolyte and Temperature Effects on the Electron Transfer Kinetics of Fe(CN)(6)(-3/-4) at Boron-Doped Diamond Thin Film Electrodes

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dc.contributor.authorKim, Doo Young-
dc.contributor.authorWang, Jian-
dc.contributor.authorYang, Juchan-
dc.contributor.authorKim, Hyoun Woo-
dc.contributor.authorSwain, Greg M.-
dc.date.accessioned2022-07-16T20:39:50Z-
dc.date.available2022-07-16T20:39:50Z-
dc.date.created2021-05-13-
dc.date.issued2011-05-
dc.identifier.issn1932-7447-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/168443-
dc.description.abstractCyclic and linear sweep voltammetry were used to investigate the effects of the electrolyte composition and temperature on the electrontransfer kinetics of Fe(CN)6 3/4 at well-characterized, boron-doped diamond thin-film electrodes. Highly conductive films were employed, which were first cleaned of any dventitious nondiamond carbon impurity by a twostep chemical-oxidation, and subsequently hydrogenated in hydrogen microwave plasma. The apparent heterogeneous electron-transfer rate constant, kapp, depended on the electrolyte concentration and the electrolyte cation type, increasing in order of Liþ ˂ aþ ˂ Kþ ˂ Csþ. However, the dependence of koapp on the electrolyte cation was less than the dependence observed for other electrodes, like glassy carbon and gold. For example, koapp at the 1.0 M concentration was only a factor of 1.6 greater in KCl than in LiCl for diamond. This is less than the factor of 510 seen for other electrodes, like glassy carbon and gold. The transfer coefficient for the oxidation was largely independent of the temperature and the lectrolyte composition with a value ranging from 0.52 to 0.55. The activation energy for electron transfer was found to be 14.3, 15.6, and 16.5 kJ/mol espectively for KCl, NaCl, and LiCl. The results suggest that the electric double layer structure at sp3 diamond may be different from that found at sp2 glassy carbon.-
dc.language영어-
dc.language.isoen-
dc.publisherAMER CHEMICAL SOC-
dc.titleElectrolyte and Temperature Effects on the Electron Transfer Kinetics of Fe(CN)(6)(-3/-4) at Boron-Doped Diamond Thin Film Electrodes-
dc.typeArticle-
dc.contributor.affiliatedAuthorKim, Hyoun Woo-
dc.identifier.doi10.1021/jp1117954-
dc.identifier.scopusid2-s2.0-79959955492-
dc.identifier.wosid000290652200026-
dc.identifier.bibliographicCitationJOURNAL OF PHYSICAL CHEMISTRY C, v.115, no.20, pp.10026 - 10032-
dc.relation.isPartOfJOURNAL OF PHYSICAL CHEMISTRY C-
dc.citation.titleJOURNAL OF PHYSICAL CHEMISTRY C-
dc.citation.volume115-
dc.citation.number20-
dc.citation.startPage10026-
dc.citation.endPage10032-
dc.type.rimsART-
dc.type.docType정기학술지(Article(Perspective Article포함))-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.subject.keywordPlusGLASSY-CARBON ELECTRODES-
dc.subject.keywordPlusNANOCRYSTALLINE DIAMOND-
dc.subject.keywordPlusELECTROCHEMICAL-BEHAVIOR-
dc.subject.keywordPlusGRAPHITE-ELECTRODES-
dc.subject.keywordPlusPYROLYTIC-GRAPHITE-
dc.subject.keywordPlusORDERED GRAPHITE-
dc.subject.keywordPlusREDOX SYSTEM-
dc.subject.keywordPlusSURFACES-
dc.subject.keywordPlusCATIONS-
dc.subject.keywordPlusFERRICYANIDE-
dc.identifier.urlhttps://pubs.acs.org/doi/10.1021/jp1117954-
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