Buried interface modification by multifunctional ionic liquids for triple-cation perovskite solar cells made in a fully ambient air

Abstract

Triple-cation CsFAMA perovskite solar cells (PSCs) have gained great attention because of their excellent stability. The buried interface management is one of the most effective methods to further improve device...

Fabricating α-FAPbI3 Perovskite Photovoltaics in Ambient Air by DMSO Extraction

“…Several strategies have been reported to fabricate efficient PSCs based in the deposition of perovskite films in ambient air. − Notably, the utilization of ionic liquids to inhibit halide oxidation has demonstrated the ability to produce PSCs with efficiencies exceeding 24% under high humidity conditions . Defect passivation by the addition of guanabenz acetate salt in a two-step deposition process has been proposed to block the hydration of FAPbI 3 at the vacancy sites and enable the fabrication of PSCs in ambient air with a certified PCE of 25.08% .…”