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dc.contributor.authorAbdi-Jalebi, Mojtaba
dc.contributor.authorIbrahim Dar, M
dc.contributor.authorSenanayak, Satyaprasad
dc.contributor.authorSadhanala, Aditya
dc.contributor.authorAndaji-Garmaroudi, Zahra
dc.contributor.authorPazos-Outón, Luis M
dc.contributor.authorRichter, Johannes M
dc.contributor.authorPearson, Andrew J
dc.contributor.authorSirringhaus, Henning
dc.contributor.authorGrätzel, Michael
dc.contributor.authorFriend, Richard
dc.date.accessioned2018-12-19T15:22:20Z
dc.date.available2018-12-19T15:22:20Z
dc.date.issued2019-02
dc.identifier.issn2375-2548
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/287198
dc.description.abstractOne source of instability in perovskite solar cells (PSCs) is interfacial defects, particularly those that exist between the perovskite and the hole transport layer (HTL). We demonstrate that thermally evaporated dopant-free tetracene (120 nm) on top of the perovskite layer, capped with a lithium-doped Spiro-OMeTAD layer (200 nm) and top gold electrode, offers an excellent hole-extracting stack with minimal interfacial defect levels. For a perovskite layer interfaced between these graded HTLs and a mesoporous TiO2 electron-extracting layer, its photoluminescence yield reaches 15% compared to 5% for the perovskite layer interfaced between TiO2 and Spiro-OMeTAD alone. For PSCs with graded HTL structure, we demonstrate efficiency of up to 21.6% and an extended power output of over 550 hours of continuous illumination at AM1.5G, retaining more than 90% of the initial performance and thus validating our approach. Our findings represent a breakthrough in the construction of stable PSCs with minimized nonradiative losses.
dc.description.sponsorshipCambridge Materials Limited
dc.format.mediumElectronic-eCollection
dc.languageeng
dc.publisherAmerican Association for the Advancement of Science (AAAS)
dc.titleCharge extraction via graded doping of hole transport layers gives highly luminescent and stable metal halide perovskite devices.
dc.typeArticle
prism.issueIdentifier2
prism.publicationDate2019
prism.publicationNameSci Adv
prism.startingPageeaav2012
prism.volume5
dc.identifier.doi10.17863/CAM.34507
dcterms.dateAccepted2018-12-27
rioxxterms.versionofrecord10.1126/sciadv.aav2012
rioxxterms.versionAM
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2019-02-15
dc.contributor.orcidAbdi-Jalebi, Mojtaba [0000-0002-9430-6371]
dc.contributor.orcidIbrahim Dar, M [0000-0001-9489-8365]
dc.contributor.orcidSadhanala, Aditya [0000-0003-2832-4894]
dc.contributor.orcidPazos-Outón, Luis M [0000-0002-3157-5208]
dc.contributor.orcidSirringhaus, Henning [0000-0001-9827-6061]
dc.contributor.orcidGrätzel, Michael [0000-0002-0068-0195]
dc.contributor.orcidFriend, Richard [0000-0001-6565-6308]
dc.identifier.eissn2375-2548
rioxxterms.typeJournal Article/Review
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/M005143/1)
pubs.funder-project-idRoyal Society (NF140672)
pubs.funder-project-idLloyd's Register Foundation (via University of Southampton) (unknown)
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/P032591/1)
cam.orpheus.successMon Jun 08 08:23:33 BST 2020 - The item has an open VoR version.
rioxxterms.freetoread.startdate2100-01-01


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