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Bandgap-Tunable Cesium Lead Halide Perovskites with High Thermal Stability for Efficient Solar CellsSutton, Rebecca J.; Eperon, Giles E.; Miranda, Laura; Parrott, Elizabeth S.; Kamino, Brett A.; Patel, Jay B.; Hörantner, Maximilian T.; Johnston, Michael B.; Haghighirad, Amir Abbas; Moore, David T.; Snaith, Henry J.
Advanced energy materials, 04/2016, Letnik: 6, Številka: 8Journal Article
Highest reported efficiency cesium lead halide perovskite solar cells are realized by tuning the bandgap and stabilizing the black perovskite phase at lower temperatures. CsPbI2Br is employed in a planar architecture device resulting in 9.8% power conversion efficiency and over 5% stabilized power output. Offering substantially enhanced thermal stability over their organic based counterparts, these results show that all‐inorganic perovskites can represent a promising next step for photovoltaic materials.
