Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142030
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dc.contributor.authorGuchhait, Asimen_US
dc.contributor.authorDewi, Herlina Arianitaen_US
dc.contributor.authorLeow, Shin Woeien_US
dc.contributor.authorWan, Haoen_US
dc.contributor.authorHan, Guifangen_US
dc.contributor.authorFirdaus Suhaimien_US
dc.contributor.authorMhaisalkar, Subodh Gautamen_US
dc.contributor.authorWong, Lydia Helenaen_US
dc.contributor.authorMathews, Nripanen_US
dc.date.accessioned2020-06-15T03:31:29Z-
dc.date.available2020-06-15T03:31:29Z-
dc.date.issued2017-
dc.identifier.citationGuchhait, A., Dewi, H. A., Leow, S. W., Wang, H., Han, G., Firdaus Suhaimi, . . . Mathews, N. (2017). Over 20% efficient CIGS-perovskite tandem solar cells. ACS Energy Letters, 2(4), 807-812. doi:10.1021/acsenergylett.7b00187en_US
dc.identifier.issn2380-8195en_US
dc.identifier.urihttps://hdl.handle.net/10356/142030-
dc.description.abstractThe development of high efficiency semitransparent perovskite solar cells is necessary for application in integrated photovoltaics and tandem solar cells. However, perovskite’s sensitivity to temperature and solvents impose a restriction on following processes, thus favoring physical vapor deposition for the transparent contacts. Protection may be necessary, especially for high energy sputtering and a transparent buffer layer providing good electrode adhesion and conductivity is desired. Here we evaluate Ag and MoOx buffer layers in pursuit of high efficiency tandem solar cells. The usage of thin Ag as a buffer layer demonstrated indium tin oxide (ITO) contacts that were resistant to delamination and yielded a 16.0% efficiency of semitransparent perovskite solar cell with average transparency of 12% in visible range and >50% in near-infrared. Further application in tandem with Cu(In,Ga)Se showed an overall efficiency of 20.7% in a 4-terminal (4T) configuration, exceeding the individual efficiencies of the subcells.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.language.isoenen_US
dc.relation.ispartofACS Energy Lettersen_US
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Energy Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsenergylett.7b00187en_US
dc.subjectEngineering::Materialsen_US
dc.titleOver 20% efficient CIGS-perovskite tandem solar cellsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.contributor.organizationSingapore−Berkeley Research Initiative for Sustainable Energyen_US
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en_US
dc.identifier.doi10.1021/acsenergylett.7b00187-
dc.description.versionAccepted versionen_US
dc.identifier.scopus2-s2.0-85030976292-
dc.identifier.issue4en_US
dc.identifier.volume2en_US
dc.identifier.spage807en_US
dc.identifier.epage812en_US
dc.subject.keywordsPerovskiteen_US
dc.subject.keywordsTandemen_US
item.fulltextWith Fulltext-
item.grantfulltextopen-
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