Alder‐Ene Reaction‐Mediated Suppression of Tin(II) Oxidation for Efficient Tin‐Lead Perovskite Solar Cells
Wenjian Yan,
Mingzhe Zhu,
Feifei Xin
et al.
Abstract:Despite numerous studies have reported the inhibition of tin (II) oxidation in mixed tin‐lead halide perovskite, there remains a dearth of mechanistic information regarding how tin (II) undergoes oxidation in the precursor solution, particularly in terms of the involvement of DMSO. We here take advantage of density functional theory (DFT) to uncover that SnI2 can coordinate with DMSO and react with singlet oxygen, resulting in the generation of Sn (IV). Moreover, our DFT simulations reveal that benzaldehyde ox… Show more
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