Abstract
Hybrid organic-inorganic metal halide perovskites represent a remarkable success story in recent materials science applied to optoelectronic devices, thanks to the demonstrations of solution-process solar cells with conversion efficiencies in excess of 20% and very promising LEDs. The peculiarities of perovskites are thought to stem from a blend of organic materials features, like easy fabrication and bandgap tuneability, with inorganic semiconductor properties, particularly large carrier mobilities. We will show however that concerning excited state photophysics, hybrid perovskites are a unique class of materials.
© 2017 IEEE
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