Ligand Driven Control and F‐Doping of Surface Characteristics in FASnI3 Lead‐Free Perovskites: Relation Between Molecular Dipoles, Surface Dipoles, Work Function Shifts, and Surface Strain
Pooja Basera,
Boubacar Traore,
Pingping Jiang
et al.
Abstract:The performance and operational stability of perovskite‐based devices heavily rely on the interfacial properties between the photoactive perovskite layer and charge transport layers. Understanding the theoretical relationship between surface/interface dipoles and surface energetics is crucial for scientific understanding and practical applications. In this study, a method is applied that bridges classical electromagnetism and modern atomistic approaches. The impact of dipolar ligand molecules functionalizing t… Show more
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