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dc.contributor.authorLin, Yuanbao
dc.contributor.authorMagomedov, Artiom
dc.contributor.authorFirdaus, Yuliar
dc.contributor.authorKaltsas, Dimitris
dc.contributor.authorEl Labban, Abdulrahman
dc.contributor.authorFaber, Hendrik
dc.contributor.authorNaphade, Dipti R
dc.contributor.authorYengel, Emre
dc.contributor.authorZheng, Xiaopeng
dc.contributor.authorYarali, Emre
dc.contributor.authorChaturvedi, Neha
dc.contributor.authorLoganathan, Kalaivanan
dc.contributor.authorGkeka, Despoina
dc.contributor.authorAlshammari, Sanaa Hayel Nazil
dc.contributor.authorBakr, Osman
dc.contributor.authorLaquai, Frédéric
dc.contributor.authorTsetseris, Leonidas
dc.contributor.authorGetautis, Vytautas
dc.contributor.authorAnthopoulos, Thomas D.
dc.date.accessioned2021-05-02T08:09:16Z
dc.date.available2021-05-02T08:09:16Z
dc.date.issued2021-05-17
dc.date.submitted2021-04-04
dc.identifier.citationLin, Y., Magomedov, A., Firdaus, Y., Kaltsas, D., El-Labban, A., Faber, H., … Anthopoulos, T. D. (2021). 18.4% Organic Solar Cells Using a High Ionization Energy Self-Assembled Monolayer as Hole Extraction Interlayer. ChemSusChem. doi:10.1002/cssc.202100707
dc.identifier.issn1864-5631
dc.identifier.issn1864-564X
dc.identifier.pmid33928763
dc.identifier.doi10.1002/cssc.202100707
dc.identifier.urihttp://hdl.handle.net/10754/669027
dc.description.abstractSelf-assembled monolayers (SAMs) based on Br-2PACz and MeO-2PACz molecules are investigated as hole-extracting interlayers in organic photovoltaics (OPVs). The highest occupied molecular orbital (HOMO) energies of these SAMs were measured at -6.01 and -5.30 eV for Br-2PACz and MeO-2PACz, respectively, and found to induce significant changes in the work function (WF) of indium-tin-oxide (ITO) electrodes upon chemical functionalization. OPV cells based on PM6:BTP-eC9:PC 71 BM using ITO/Br-2PACz anodes exhibit a maximum power conversion efficiency (PCE) of 18.4%, outperforming devices with ITO/MeO-2PACz (14.5%) and ITO/PEDOT:PSS (17.5%). The higher PCE is found to originate from the much higher WF of ITO/Br-2PACz (-5.81 eV) compared to ITO/MeO-2PACz (4.58 eV) and ITO/PEDOT:PSS (4.9 eV), resulting in lower interface resistance, improved hole transport/extraction, lower trap-assisted recombination, and longer carrier lifetimes. Importantly, the ITO/Br-2PACz electrode is chemically stable and after removal of the SAM it can be recycled and reused to construct fresh OPVs with equally impressive performance.
dc.publisherWiley
dc.relation.urlhttps://onlinelibrary.wiley.com/doi/10.1002/cssc.202100707
dc.rightsArchived with thanks to ChemSusChem
dc.title18.4% Organic Solar Cells Using a High Ionization Energy Self-Assembled Monolayer as Hole Extraction Interlayer
dc.typeArticle
dc.contributor.departmentBiological and Environmental Science and Engineering (BESE) Division
dc.contributor.departmentFunctional Nanomaterials Lab (FuNL)
dc.contributor.departmentKAUST Catalysis Center (KCC)
dc.contributor.departmentKAUST KSC: King Abdullah University of Science and Technology KAUST Solar Research Center PSE SAUDI ARABIA
dc.contributor.departmentKAUST Solar Center (KSC)
dc.contributor.departmentMaterial Science and Engineering
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalChemSusChem
dc.rights.embargodate2022-04-29
dc.eprint.versionPost-print
dc.contributor.institutionKaunas University of Technology: Kauno Technologijos Universitetas organic chemistry LITHUANIA
dc.contributor.institutionNational Technical University of Athens: Ethniko Metsobio Polytechneio Physics GREECE
dc.contributor.institutionKaunas University of Technology: Kauno Technologijos Universitetas Organic chemistry LITHUANIA
kaust.personLin, Yuanbao
kaust.personFirdaus, Yuliar
kaust.personEl Labban, Abdulrahman
kaust.personFaber, Hendrik
kaust.personNaphade, Dipti R
kaust.personYengel, Emre
kaust.personZheng, Xiaopeng
kaust.personYarali, Emre
kaust.personChaturvedi, Neha
kaust.personLoganathan, Kalaivanan
kaust.personGkeka, Despoina
kaust.personAlshammari, Sanaa Hayel Nazil
kaust.personBakr, Osman M.
kaust.personLaquai, Frederic
kaust.personAnthopoulos, Thomas D.
dc.date.accepted2021-04-29
refterms.dateFOA2021-05-02T08:10:16Z
dc.date.published-online2021-05-17
dc.date.published-print2021-09-06


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