The Electrical and Optical Properties of Organometal Halide Perovskites Relevant to Optoelectronic Performance.

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Advanced materials (Deerfield Beach, Fla.), ISSN: 1521-4095, Vol: 30, Issue: 1

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Adinolfi, Valerio; Peng, Wei; Walters, Grant; Bakr, Osman M.; Sargent, Edward H.
Materials Science; Engineering; Composition; Hybrid; Mobility; Perovskites; Traps
review description
Organometal halide perovskites are under intense study for use in optoelectronics. Methylammonium and formamidinium lead iodide show impressive performance as photovoltaic materials; a premise that has spurred investigations into light-emitting devices and photodetectors. Herein, the optical and electrical material properties of organometal halide perovskites are reviewed. An overview is given on how the material composition and morphology are tied to these properties, and how these properties ultimately affect device performance. Material attributes and techniques used to estimate them are analyzed for different perovskite materials, with a particular focus on the bandgap, mobility, diffusion length, carrier lifetime, and trap-state density.