Impact of Ternary Solvent on the Grain Size and Defects of Perovskite Layer to Realize a Stable Morphology for Efficient Inverted Solar Cells
Chang Min Lee,
Syed Hamad Ullah Shah,
Keum-Jin Ko
et al.
Abstract:Recent reports reveal that a smooth and uniform surface morphology can endow perovskite solar cells with excellent stability and remarkable power conversion efficiency (PCE). In this study, we employed a ternary solvent strategy using dimethylformamide (DMF), dimethyl‐sulfoxide (DMSO), and γ‐butyrolactone (GBL) to improve contact between the charge transporting layers and the perovskite layer. This approach yields enhanced surface morphology, charge extraction, and passivation. The thermally stable intermediat… Show more
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