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Relationship between the Annealing Temperature and the Presence of PbI₂ Platelets at the Surfaces of Slot-Die-Coated Triple-Halide Perovskite Thin Films.

ABSTRACT: We investigated triple-halide perovskite (THP) absorber layers with 5 mol % MAPbCl₃ added to the double-halide perovskite (Cs_0.22FA_0.78)Pb(I_0.85Br_0.15)₃. As a deposition method, a highly scalable printing technique, slot-die coating, with a subsequent annealing step was used. We found a strong power conversion efficiency (PCE) dependence of the corresponding solar cells on the annealing temperature. The device performance deteriorated when increasing the annealing temperature from 125 to 170 °C, mainly via losses in the open-circuit voltage (V_oc) and in the fill factor (FF). To understand the mechanisms behind this performance loss, extensive characterizations were performed on both, the THP thin films and

SUBMITTER: Wargulski DR

PROVIDER: S-EPMC10485798 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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Relationship between the Annealing Temperature and the Presence of PbI₂ Platelets at the Surfaces of Slot-Die-Coated Triple-Halide Perovskite Thin Films.

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Relationship between the Annealing Temperature and the Presence of PbI2 Platelets at the Surfaces of Slot-Die-Coated Triple-Halide Perovskite Thin Films.

OmicsDI is part of the ELIXIR infrastructure

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Relationship between the Annealing Temperature and the Presence of PbI₂ Platelets at the Surfaces of Slot-Die-Coated Triple-Halide Perovskite Thin Films.