High-Efficiency Perovskite/Silicon Tandem Solar Cells Based on Wide-Bandgap Perovskite Solar Cells with Unprecedented Fill Factor

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dc.contributor.authorChang, Li Chunen
dc.contributor.authorDuong, Theen
dc.contributor.authorAhmad, Viqaren
dc.contributor.authorZhan, Hualinen
dc.contributor.authorBui, Anh Dinhen
dc.contributor.authorPolzin, Jana Isabelleen
dc.contributor.authorRichter, Arminen
dc.contributor.authorBartholazzi, Gabrielen
dc.contributor.authorHuang, Keqingen
dc.contributor.authorYang, Zhongshuen
dc.contributor.authorWang, Weien
dc.contributor.authorHou, Yihuien
dc.contributor.authorLi, Lien
dc.contributor.authorCui, Qianen
dc.contributor.authorBasnet, Rabinen
dc.contributor.authorYang, Jianfeien
dc.contributor.authorLin, Hongen
dc.contributor.authorDu, Guozhengen
dc.contributor.authorNguyen, Khoaen
dc.contributor.authorNguyen, Dang Thuanen
dc.contributor.authorBlack, Lachlan E.en
dc.contributor.authorMacDonald, Danielen
dc.contributor.authorWalter, Danielen
dc.contributor.authorWeber, Klaus J.en
dc.contributor.authorCatchpole, Kylie R.en
dc.contributor.authorShen, Hepingen
dc.date.accessioned2026-01-31T14:40:26Z
dc.date.available2026-01-31T14:40:26Z
dc.date.issued2026-01-14en
dc.description.abstractBy mixing 2PACz and Me-4PACz, an energetically homogeneous buried interface is formed, enabling preferential energy alignment at the hole transport layer/perovskite (1.67 eV) interface, which delivers a certified fill factor of 86.8% and a power conversion efficiency of 23.42%. Simulations indicate that at lower interface defect densities (1 × 108–1 × 1011 cm−2), improvements in FF dominate the device performance, whereas at higher defect densities (1 × 1012–1 × 1013 cm−2), Voc is the key factor.en
dc.description.sponsorshipThis work was supported by the Australian Government through the Australian Renewable Energy Agency (ARENA). Responsibility for the views, information, or advice expressed herein is accepted by the Australian Government. The authors acknowledge the instruments and expertise of the ACT node of the NCRIS-enabled Australian National Fabrication Facility (ANFF-ACT). The authors express sincere gratitude to Caixia Li and Ziheng Liu for their invaluable assistance with the transmittance measurement assistance at the University of the New South Wales. The authors express thanks to James Cotsell, Michael Jambor, Bruce Condon, and Maureen Brauers, for their dedicated efforts in maintaining the laboratory facilities. The authors acknowledge the instruments and expertise of Microscopy Australia at the Centre for Advanced Microscopy, Australian National University, a facility that is funded by the University and the Federal Government through National Collaborative Research Infrastructure Strategy (NCRIS). We thank anonymous reviewers for help in improving the manuscript.en
dc.description.statusPeer-revieweden
dc.format.extent19en
dc.identifier.issn2311-6706en
dc.identifier.otherORCID:/0000-0003-2389-0678/work/203981326en
dc.identifier.otherORCID:/0000-0002-1298-4743/work/203982627en
dc.identifier.otherORCID:/0000-0002-0406-6918/work/203982637en
dc.identifier.otherORCID:/0000-0001-5792-7630/work/203982970en
dc.identifier.otherORCID:/0000-0002-2421-6178/work/203984306en
dc.identifier.otherORCID:/0000-0002-9660-6132/work/203984943en
dc.identifier.otherORCID:/0000-0002-0088-9044/work/203985079en
dc.identifier.otherORCID:/0000-0002-6782-7382/work/203986518en
dc.identifier.scopus105027366218en
dc.identifier.urihttps://hdl.handle.net/1885/733805149
dc.language.isoenen
dc.provenanceThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.en
dc.rights© 2026 The Authorsen
dc.sourceNano-Micro Lettersen
dc.subjectInterface energy-level alignmenten
dc.subjectInverted perovskite solar cellsen
dc.subjectSelf-assembled monolayersen
dc.subjectTandem solar cellsen
dc.subjectWide-bandgap perovskiteen
dc.titleHigh-Efficiency Perovskite/Silicon Tandem Solar Cells Based on Wide-Bandgap Perovskite Solar Cells with Unprecedented Fill Factoren
dc.typeJournal articleen
dspace.entity.typePublicationen
local.contributor.affiliationChang, Li Chun; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationDuong, The; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationAhmad, Viqar; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationZhan, Hualin; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationBui, Anh Dinh; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationPolzin, Jana Isabelle; Fraunhofer Institute for Solar Energy Systemsen
local.contributor.affiliationRichter, Armin; Fraunhofer Institute for Solar Energy Systemsen
local.contributor.affiliationBartholazzi, Gabriel; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationHuang, Keqing; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationYang, Zhongshu; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationWang, Wei; Australian National Universityen
local.contributor.affiliationHou, Yihui; Australian National Universityen
local.contributor.affiliationLi, Li; School Services, Research School of Physics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationCui, Qian; Australian National Universityen
local.contributor.affiliationBasnet, Rabin; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationYang, Jianfei; Tsinghua Universityen
local.contributor.affiliationLin, Hong; Tsinghua Universityen
local.contributor.affiliationDu, Guozheng; Australian National Universityen
local.contributor.affiliationNguyen, Khoa; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationNguyen, Dang Thuan; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationBlack, Lachlan E.; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationMacDonald, Daniel; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationWalter, Daniel; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationWeber, Klaus J.; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationCatchpole, Kylie R.; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.contributor.affiliationShen, Heping; School of Engineering, ANU College of Systems and Society, The Australian National Universityen
local.identifier.citationvolume18en
local.identifier.doi10.1007/s40820-025-01959-yen
local.identifier.puref44071da-f462-4ee3-90a9-3a35332dc118en
local.identifier.urlhttps://www.scopus.com/pages/publications/105027366218en
local.type.statusE-pub ahead of printen

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