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dc.contributor.author주오심-
dc.contributor.author채상윤-
dc.contributor.author이명재-
dc.contributor.author김민재-
dc.contributor.author조정호-
dc.contributor.author김봉수-
dc.date.accessioned2021-06-09T04:25:25Z-
dc.date.available2021-06-09T04:25:25Z-
dc.date.issued2020-12-
dc.identifier.citationVOL 13, NO 24-6659-
dc.identifier.issn1864-5631-
dc.identifier.other55846-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/72226-
dc.description.abstractAn inorganic p­type CuInS2 semiconductor was combined with the semiconducting polymer of PNDI3OT­Se1 and PNDI3OT­Se2 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 p­CuInS2 and n­type polymer (both PNDI3OT­Se1 and Se2) successfully made p­n 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/PNDI3OT­Se1/TiO2/Pt, which has suitable energy levels matched between PNDI3OT­Se1 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/PNDI3OT­Se1/TiO2/Pt photoelectrode was also investigated.-
dc.publisherChemSusChem-
dc.titlep-CuInS2/n-Polymer Semiconductor Heterojunction for Photoelectrochemical Hydrogen Evolution-
dc.typeArticle-
dc.relation.page66516659-
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