Статья

23.7% Efficient inverted perovskite solar cells by dual interfacial modification

Matteo DeganiDepartment of Chemistry and INSTM, University of Pavia, Via T. Taramelli 14, 27100 Pavia, ItalyQingzhi AnDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, GermanyMiguel Albaladejo‐SiguanDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, GermanyYvonne J. HofstetterDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, GermanyChangsoon ChoDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, GermanyFabian PaulusDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, GermanyGiulia GranciniDepartment of Chemistry and INSTM, University of Pavia, Via T. Taramelli 14, 27100 Pavia, ItalyYana VaynzofDresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany

2021en

ABI

Аннотация

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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Идентификаторы

DOI: 10.1126/sciadv.abj7930

Цитирования и источники

Цитирований: 2Использованных источников: 0

Показатели — AkademScholar