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dc.contributor.authorChae, Sang Youn-
dc.contributor.authorLee, Myeongjae-
dc.contributor.authorKim, Min Je-
dc.contributor.authorCho, Jeong Ho-
dc.contributor.authorKim, BongSoo-
dc.contributor.authorJoo, Oh-Shim-
dc.date.accessioned2024-01-19T16:00:52Z-
dc.date.available2024-01-19T16:00:52Z-
dc.date.created2021-09-02-
dc.date.issued2020-12-17-
dc.identifier.issn1864-5631-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/117674-
dc.description.abstractAn inorganic p-type CuInS2 semiconductor was combined with the semiconducting polymer of PNDI3OT-Se1 and PNDI3OT-Se2 with different HOMO/LUMO levels for photoelectrochemical hydrogen production. Charge transfer behaviors at polymer/CuInS2 junctions were investigated by electrochemical impedance spectroscopy. The heterojunction of p-CuInS2 and n-type polymer (both PNDI3OT-Se1 and Se2) successfully made p-n junctions and showed improved charge transfer. However, we found that higher HOMO levels of polymer than valence band maximum (VBM) of CuInS2 spurred charge recombination at interfaces. As a result, CuInS2/PNDI3OT-Se1/TiO2/Pt, which has suitable energy levels matched between PNDI3OT-Se1 and CuInS2, shows photocurrent (-15.67 mA cm(-2)) improved concretely when compared to a CuInS2/TiO2/Pt photoelectrode (-7.11 mA cm(-2)) at 0.0 V vs. RHE applied potential. Additionally, the photoelectrochemical stability of CuInS2/PNDI3OT-Se1/TiO2/Pt photoelectrode was also investigated.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.subjectHIGH-PERFORMANCE-
dc.subjectBAND-OFFSET-
dc.subjectWATER-
dc.subjectEFFICIENT-
dc.subjectPHOTOCATHODES-
dc.subjectDRIVEN-
dc.subjectDEVICE-
dc.subjectLAYERS-
dc.subjectCELLS-
dc.subjectBIVO4-
dc.titlep-CuInS2/n-Polymer Semiconductor Heterojunction for Photoelectrochemical Hydrogen Evolution-
dc.typeArticle-
dc.identifier.doi10.1002/cssc.202002123-
dc.description.journalClass1-
dc.identifier.bibliographicCitationCHEMSUSCHEM, v.13, no.24, pp.6651 - 6659-
dc.citation.titleCHEMSUSCHEM-
dc.citation.volume13-
dc.citation.number24-
dc.citation.startPage6651-
dc.citation.endPage6659-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000584648100001-
dc.identifier.scopusid2-s2.0-85094218670-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryGreen & Sustainable Science & Technology-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.type.docTypeArticle-
dc.subject.keywordPlusHIGH-PERFORMANCE-
dc.subject.keywordPlusBAND-OFFSET-
dc.subject.keywordPlusWATER-
dc.subject.keywordPlusEFFICIENT-
dc.subject.keywordPlusPHOTOCATHODES-
dc.subject.keywordPlusDRIVEN-
dc.subject.keywordPlusDEVICE-
dc.subject.keywordPlusLAYERS-
dc.subject.keywordPlusCELLS-
dc.subject.keywordPlusBIVO4-
dc.subject.keywordAuthorCuInS2-
dc.subject.keywordAuthorhydrogen-
dc.subject.keywordAuthorp-n junction-
dc.subject.keywordAuthorpolymer semiconductor-
dc.subject.keywordAuthorphotoelectrochemical cell-
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