Molecular Engineering of Azahomofullerene-based Electron Transporting Materials for Efficient and Stable Perovskite Solar Cells

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dc.contributor.authorChavan, Rohit D.
dc.contributor.authorBończak, Bartłomiej
dc.contributor.authorKruszyńska, Joanna
dc.contributor.authorMahapatra, Apurba
dc.contributor.authorAns, Muhammad
dc.contributor.authorNawrocki, Jan
dc.contributor.authorNikiforow, Kostiantyn
dc.contributor.authorYadav, Pankaj
dc.contributor.authorPaczesny, Jan
dc.contributor.authorSadegh, Faranak
dc.contributor.authorUnal, Muhittin
dc.contributor.authorAkin, Seckin
dc.contributor.authorProchowicz, Daniel
dc.contributor.organizationInstitute of Physical Chemistry, Polish Academy of Sciencesen
dc.contributor.organizationDepartment of Solar Energy, School of Technology, Pandit Deendayal Energy Universityen
dc.contributor.organizationLaboratory of Advanced Materials & Photovoltaics (LAMPs), Necmettin Erbakan University, Konya, Turkeyen
dc.date.accessioned2023-10-13T07:15:55Z
dc.date.available2023-10-13T07:15:55Z
dc.date.issued2023-09-22
dc.description.abstractThe rational molecular design of fullerene-based molecules with exceptional physical and electrical properties is in high demand to ensure efficient charge transport at the perovskite/electron transport layer interface. In this work, novel azahomofullerene (AHF) is designed, synthesized, and introduced as the interlayer between the SnO2/perovskite interface in planar n−i−p heterojunction perovskite solar cells (PSCs). The AHF molecule (denoted as AHF-4) is proven to enhance charge transfer capability compared to the commonly used fullerene derivative [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) due to its superior coordination interaction and electronic coupling with the SnO2 surface. In addition, the AHF-4 interlayer concurrently improves the quality of the perovskite film and reduces charge recombination in PSCs. The resultant AHF-4-based device exhibits a maximum efficiency of 21.43% with lower hysteresis compared to the PCBM device (18.56%). Benefiting from the enhanced stability of the AHF-4 film toward light soaking and elevated temperature, the AHF-4-based devices show improved stability under continuous 1 sun illumination at the maximum power point and 45 °C. Our work opens a new direction to the design of AHF derivatives with favorable physical and electrical properties as an interlayer material to improve both the performance and stability of PSCs.en
dc.description.sponsorshipNational Science Centre
dc.identifier.citationChem. Mater. 2023, 35, 8309−8320. https://doi.org/10.1021/acs.chemmater.3c01995en
dc.identifier.doi10.1021/acs.chemmater.3c01995
dc.identifier.issn1520-5002
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/22943
dc.language.isoen
dc.publisherACS Publicationsen
dc.relationSONATA BIS 10, no. 2020/38/E/ST5/00267en
dc.rightsUznanie autorstwa 4.0 Międzynarodowe*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjecthalide perovskiteen
dc.subjectazahomofullereneen
dc.subjectperovskite solar cellsen
dc.titleMolecular Engineering of Azahomofullerene-based Electron Transporting Materials for Efficient and Stable Perovskite Solar Cellsen
dc.typearticleen
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