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dc.contributor.authorXi, Jun-
dc.contributor.authorByeon, Junseop-
dc.contributor.authorKim, Unsoo-
dc.contributor.authorBang, Kijoon-
dc.contributor.authorHan, Gi Rim-
dc.contributor.authorKim, Ji-Young-
dc.contributor.authorYoon, Jungjin-
dc.contributor.authorDong, Hua-
dc.contributor.authorWu, Zhaoxin-
dc.contributor.authorDivitini, Giorgio-
dc.contributor.authorXi, Kai-
dc.contributor.authorPark, Jinwoo-
dc.contributor.authorLee, Tae-Woo-
dc.contributor.authorKim, Seong Keun-
dc.contributor.authorChoi, Mansoo-
dc.contributor.authorLee, Jong Woo-
dc.date.accessioned2024-01-19T14:01:47Z-
dc.date.available2024-01-19T14:01:47Z-
dc.date.created2021-10-21-
dc.date.issued2021-09-
dc.identifier.issn1754-5692-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/116554-
dc.description.abstractLayered Ruddlesden-Popper perovskite (RPP) photovoltaics have gained substantial attention owing to their excellent air stability. However, their photovoltaic performance is still limited by the unclear real-time charge-carrier mechanism of operating devices. Herein, we report the correlation between the charge-carrier mechanism and the spatially heterogeneous RPP bulks induced by distinct sublattice cations in the state-of-the-art antisolvent-driven RPP devices. In particular, abnormal heterogeneities ranging from the lateral long-range to local sub-grain scale and corresponding charge-carrier behaviours are visualized for triple-cation RPPs. We discovered that such heterogeneities with a unitary 2D/3D hybrid suppress lattice vibrations and reduce Frohlich interactions by about 2 times, significantly promoting charge-carrier dynamics. Consequently, optimized triple-cation RPP solar cells greatly outperform their mono-cation counterparts. Furthermore, this principle can be applicable irrespective of 2D layer thickness (n > 2) and substrate type. This work provides a rationale for leveraging a disordered structure to stimulate charge-carrier motion and suggests the design principle of low-dimensional perovskites.-
dc.languageEnglish-
dc.publisherRoyal Society of Chemistry-
dc.subjectHALIDE PEROVSKITES-
dc.subjectLIGHT-
dc.subjectMANAGEMENT-
dc.subjectMIGRATION-
dc.titleAbnormal spatial heterogeneity governing the charge-carrier mechanism in efficient Ruddlesden-Popper perovskite solar cells-
dc.typeArticle-
dc.identifier.doi10.1039/d1ee00984b-
dc.description.journalClass1-
dc.identifier.bibliographicCitationEnergy & Environmental Science, v.14, no.9, pp.4915 - 4925-
dc.citation.titleEnergy & Environmental Science-
dc.citation.volume14-
dc.citation.number9-
dc.citation.startPage4915-
dc.citation.endPage4925-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000679997500001-
dc.identifier.scopusid2-s2.0-85115826135-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryEnergy & Fuels-
dc.relation.journalWebOfScienceCategoryEngineering, Chemical-
dc.relation.journalWebOfScienceCategoryEnvironmental Sciences-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaEnergy & Fuels-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalResearchAreaEnvironmental Sciences & Ecology-
dc.type.docTypeArticle-
dc.subject.keywordPlusHALIDE PEROVSKITES-
dc.subject.keywordPlusLIGHT-
dc.subject.keywordPlusMANAGEMENT-
dc.subject.keywordPlusMIGRATION-
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KIST Article > 2021
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