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Effects of crystal size and surface coverage of perovskites on electron recombination in solar cells

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dc.contributor.authorKim, Byung Su-
dc.contributor.authorMoon, Gi Hyeon-
dc.contributor.authorPark, Seul Chan-
dc.contributor.authorJang, Jaeyoung-
dc.contributor.authorKang, Yong Soo-
dc.date.accessioned2021-07-30T05:05:46Z-
dc.date.available2021-07-30T05:05:46Z-
dc.date.created2021-05-12-
dc.date.issued2019-05-
dc.identifier.issn0167-577X-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2907-
dc.description.abstractThe crystal size and surface coverage of a perovskite layer at its interface with 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene (sprio-MeOTAD) have been controlled by crystallization temperature (25, 40, 60 and 75 °C) during the conversion of PbI2 to MAPbI3. The high crystallization temperature induces to form large crystals and vice versa. The highest efficiency (13.9%) was observed with the perovskite layer fabricated under 25 °C among four different temperature conditions. This is mostly because of the suppressed recombination through the formation of a rather compact layer with the small sized perovskite crystals, even though its reduced light absorption and electron conductivity to a small extent. The performance has been characterized by photovoltaic parameters with help of electrochemical impedance spectroscopy (EIS) to confirm that the charge recombination is a main parameter in controlling power conversion efficiency (PCE).-
dc.language영어-
dc.language.isoen-
dc.publisherELSEVIER SCIENCE BV-
dc.titleEffects of crystal size and surface coverage of perovskites on electron recombination in solar cells-
dc.typeArticle-
dc.contributor.affiliatedAuthorJang, Jaeyoung-
dc.identifier.doi10.1016/j.matlet.2019.01.132-
dc.identifier.scopusid2-s2.0-85061351769-
dc.identifier.wosid000459869900049-
dc.identifier.bibliographicCitationMATERIALS LETTERS, v.242, pp.191 - 194-
dc.relation.isPartOfMATERIALS LETTERS-
dc.citation.titleMATERIALS LETTERS-
dc.citation.volume242-
dc.citation.startPage191-
dc.citation.endPage194-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.subject.keywordPlusEFFICIENCY-
dc.subject.keywordPlusGROWTH-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordAuthorPerovskite solar cells-
dc.subject.keywordAuthorCrystal size-
dc.subject.keywordAuthorSurface coverage-
dc.subject.keywordAuthorRecombination-
dc.identifier.urlhttps://www.sciencedirect.com/science/article/pii/S0167577X19301752?via%3Dihub-
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