Building the perfect perovskite, one layer at a time

A University of Cambridge-led team of researchers have demonstrated precisely controlled layer-by-layer epitaxial vapor growth of two-dimensional halide perovskite films in an industrially compatible process. Their findings could help develop more thermally stable perovskite solar cells.A team led by researchers at the University of Cambridge in the United Kingdom has demonstrated layer-by-layer (LbL) vapor-phase-based growth of halide perovskites, specifically cesium, lead, bromine (CsPbBr3) grown on a two-dimensional (2D) perovskite single crystal. The 2D substrate was PEA2PbBr4, with PEA being ...

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