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dc.contributor.authorHwang, Sun Kyung-
dc.contributor.authorPark, So Jeong-
dc.contributor.authorPark, Jae Hyun-
dc.contributor.authorYoon, Joo Ho-
dc.contributor.authorYu Cho, Jae-
dc.contributor.authorCho, Deok Ki-
dc.contributor.authorHeo, Jaeyeong-
dc.contributor.authorKim, Gee Yeong-
dc.contributor.authorKim, Jin Young-
dc.date.accessioned2024-01-19T08:04:27Z-
dc.date.available2024-01-19T08:04:27Z-
dc.date.created2023-12-21-
dc.date.issued2024-04-
dc.identifier.issn1613-6810-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/113100-
dc.description.abstractCu2ZnSn(S,Se)(4) (CZTSSe) thin film solar cells are an attractive choice for a bottom cell of the low-cost and environmental tandem solar cells with perovskite. However, the progress in developing efficient perovskite/CZTSSe tandem solar cells has been hindered by the lack of high performance of the CZTSSe bottom cell. Here, an efficient CZTSSe bottom cell is demonstrated by adopting a facile and effective CsF treatment process. It is found that the CsF treatment not only facilitates grain growth and improves phase homogeneity by suppressing the detrimental deep-level defects and secondary phases, but also induces larger band bending and stronger drift force at the P-N junction. As a result, the carrier extraction/transport can be effectively accelerated, while reducing the interfacial recombination. These combined effects eventually result in a significant performance enhancement from 8.38% to 10.20%. The CsF-treated CZTSSe solar cell is finally applied to the mechanically-stacked perovskite/CZTSSe 4-terminal tandem cell by coupling a semi-transparent perovskite top cell, which exhibits the highest reported tandem efficiency of 23.01%.-
dc.languageEnglish-
dc.publisherWiley - V C H Verlag GmbbH & Co.-
dc.titleCs-treatments in Kesterite Thin-Film Solar Cells for Efficient Perovskite Tandems-
dc.typeArticle-
dc.identifier.doi10.1002/smll.202307175-
dc.description.journalClass1-
dc.identifier.bibliographicCitationSmall, v.20, no.16-
dc.citation.titleSmall-
dc.citation.volume20-
dc.citation.number16-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid001111184300001-
dc.identifier.scopusid2-s2.0-85178242454-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.type.docTypeArticle-
dc.subject.keywordPlusRB-
dc.subject.keywordPlusPASSIVATION-
dc.subject.keywordPlusNA-
dc.subject.keywordPlusLI-
dc.subject.keywordAuthor4-terminal tandem-
dc.subject.keywordAuthorCsF treatments-
dc.subject.keywordAuthorCu2ZnSn(S,Se)(4) solar cells-
dc.subject.keywordAuthorelectrodeposition-
dc.subject.keywordAuthorperovskites-
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KIST Article > 2023
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