Robust Nonspiro-Based Hole Conductors for High-Efficiency Perovskite Solar Cells

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dc.contributor.authorAkin, Seckin
dc.contributor.authorBauer, Michael
dc.contributor.authorHertel, Dirk
dc.contributor.authorMeerholz, Klaus
dc.contributor.authorZakeeruddin, Shaik M.
dc.contributor.authorGraetzel, Michael
dc.contributor.authorBaeuerle, Peter
dc.date.accessioned2024-02-22T20:31:31Z
dc.date.available2024-02-22T20:31:31Z
dc.date.issued2022
dc.departmentNEÜen_US
dc.description.abstractDespite considerable development in performance, both poor operational stability and high costs associated with hole conductors such as 2,2 ',7,7 '-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9 '-spirobifluorene (spiro-OMeTAD) and Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine (PTAA) of perovskite solar cells (PSCs) need to be addressed by the research community. Here, two nonspiro hole transporting materials (HTMs), namely HTM-1 and HTM-2, are designed and straightforwardly synthesized exhibiting remarkable electrochemical properties and hole mobilities. In particular, the PSC based on the methoxy derivative (HTM-2) exhibits a remarkable efficiency of 21.2% (stabilized efficiency of 20.8%), which is superior to the benchmark HTM spiro-OMeTAD (stabilized efficiency of 20.4%). These results establish that the molecular design is effective in improving the performance of PSCs. Importantly, these two HTMs show admissible long-term stability under different harsh conditions such as thermal stress up to 85 degrees C, high humidity level of 60% +/- 10%, and continuous illumination over 1000 h. These insights allow correlating the impact of molecular design on optoelectronic properties of nonspiro-based hole conductors with the overall device performance.en_US
dc.description.sponsorshipRoyal Society University Research Fellowship; Turkish Science Academy's Young Scientist Awards Programme (BAGEP); European Union (EU); North Rhine-Westphalia (NRW) via PEROBOOST [EFRE-0800118]; German Science Foundation (DFG) [ME-1247/37-1]; Quantum Matter and Materials (QM2) at the University of Cologneen_US
dc.description.sponsorshipM.I.D. acknowledges funding from a Royal Society University Research Fellowship. S.A. would like to thank the Turkish Science Academy's Young Scientist Awards Programme (BAGEP). The project was also funded by European Union (EU)-project GOTSolar in the frame of the Horizon 2020 Framework Programme of the EU. The authors acknowledge Dr. A. Colsmann (Karlsruhe Institute of Technology (KIT) for the support in PESA measurement. K.M. acknowledges support from North Rhine-Westphalia (NRW) via PEROBOOST (EFRE-0800118). K.M. and D.H. acknowledge project ASTRAL (project ME-1247/37-1) financed by the German Science Foundation (DFG) as well as the Quantum Matter and Materials (QM2) at the University of Cologne.en_US
dc.identifier.doi10.1002/adfm.202205729
dc.identifier.issn1616-301X
dc.identifier.issn1616-3028
dc.identifier.issue45en_US
dc.identifier.scopus2-s2.0-85137339650en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1002/adfm.202205729
dc.identifier.urihttps://hdl.handle.net/20.500.12452/10509
dc.identifier.volume32en_US
dc.identifier.wosWOS:000849502500001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWiley-V C H Verlag Gmbhen_US
dc.relation.ispartofAdvanced Functional Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHole Transporting Materialsen_US
dc.subjectLong-Term Stabilityen_US
dc.subjectNonspiro Hole Conductorsen_US
dc.subjectPerovskite Solar Cellsen_US
dc.titleRobust Nonspiro-Based Hole Conductors for High-Efficiency Perovskite Solar Cellsen_US
dc.typeArticleen_US

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