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      23.7% Efficient inverted perovskite solar cells by dual interfacial modification

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          Abstract

          Abstract

          A dual interfacial modification simultaneously improves all photovoltaic parameters of inverted perovskite solar cells.

          Abstract

          Despite remarkable progress, the performance of lead halide perovskite solar cells fabricated in an inverted structure lags behind that of standard architecture devices. Here, we report on a dual interfacial modification approach based on the incorporation of large organic cations at both the bottom and top interfaces of the perovskite active layer. Together, this leads to a simultaneous improvement in both the open-circuit voltage and fill factor of the devices, reaching maximum values of 1.184 V and 85%, respectively, resulting in a champion device efficiency of 23.7%. This dual interfacial modification is fully compatible with a bulk modification of the perovskite active layer by ionic liquids, leading to both efficient and stable inverted architecture devices.

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          Most cited references47

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          Organometal halide perovskites as visible-light sensitizers for photovoltaic cells.

          Two organolead halide perovskite nanocrystals, CH(3)NH(3)PbBr(3) and CH(3)NH(3)PbI(3), were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells. When self-assembled on mesoporous TiO(2) films, the nanocrystalline perovskites exhibit strong band-gap absorptions as semiconductors. The CH(3)NH(3)PbI(3)-based photocell with spectral sensitivity of up to 800 nm yielded a solar energy conversion efficiency of 3.8%. The CH(3)NH(3)PbBr(3)-based cell showed a high photovoltage of 0.96 V with an external quantum conversion efficiency of 65%.
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            Surface passivation of perovskite film for efficient solar cells

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              Efficient perovskite solar cells via improved carrier management

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                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: SoftwareRole: SupervisionRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: Data curationRole: Formal analysisRole: InvestigationRole: ResourcesRole: SoftwareRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: InvestigationRole: ValidationRole: Writing - review & editing
                Role: Formal analysisRole: InvestigationRole: VisualizationRole: Writing - review & editing
                Role: InvestigationRole: MethodologyRole: SoftwareRole: ValidationRole: Writing - original draft
                Role: ConceptualizationRole: InvestigationRole: MethodologyRole: SupervisionRole: ValidationRole: Writing - review & editing
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: SupervisionRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SupervisionRole: ValidationRole: VisualizationRole: Writing - original draftRole: Writing - review & editing
                Journal
                Sci Adv
                Sci Adv
                sciadv
                advances
                Science Advances
                American Association for the Advancement of Science
                2375-2548
                December 2021
                01 December 2021
                : 7
                : 49
                : eabj7930
                Affiliations
                [1 ]Department of Chemistry and INSTM, University of Pavia, Via T. Taramelli 14, 27100 Pavia, Italy.
                [2 ]Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany.
                Author notes
                [* ]Corresponding author. Email: giulia.grancini@ 123456unipv.it (G.G.); yana.vaynzof@ 123456tu-dresden.de (Y.V.)
                [†]

                Present address: Cavendish Laboratory, Department of Physics, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK.

                Author information
                https://orcid.org/0000-0001-7422-331X
                https://orcid.org/0000-0003-0145-1332
                https://orcid.org/0000-0002-7375-2794
                https://orcid.org/0000-0002-8202-8220
                https://orcid.org/0000-0002-2788-688X
                https://orcid.org/0000-0001-7068-440X
                https://orcid.org/0000-0001-8704-4222
                https://orcid.org/0000-0002-0783-0707
                Article
                abj7930
                10.1126/sciadv.abj7930
                8635431
                34851671
                3d929772-8652-4841-840c-d3cb38faecf1
                Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.

                History
                : 02 June 2021
                : 13 October 2021
                Funding
                Funded by: FundRef http://dx.doi.org/10.13039/100010661, Horizon 2020 Framework Programme;
                Award ID: 714067
                Funded by: FundRef http://dx.doi.org/10.13039/100010661, Horizon 2020 Framework Programme;
                Award ID: 802862
                Funded by: FundRef http://dx.doi.org/10.13039/501100001659, Deutsche Forschungsgemeinschaft;
                Award ID: SPP 2196, project 424216076
                Categories
                Research Article
                Physical and Materials Sciences
                SciAdv r-articles
                Applied Physics
                Materials Science
                Materials Science
                Custom metadata
                Karla Peñamante

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