Bandgap-Tunable Cesium Lead Halide Perovskites with High Thermal Stability for Efficient Solar Cells

Bandgap-Tunable Cesium Lead Halide Perovskites with High Thermal Stability for Efficient Solar Cells

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 o...

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Veröffentlicht in:Advanced energy materials 2016-04, Vol.6 (8), p.np-n/a
Hauptverfasser: Sutton, 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.
Format: Artikel
Sprache:eng
Schlagworte:
Cesium
Energy conversion efficiency
Halides
inorganic perovskites
perovskite
Perovskites
Photovoltaic cells
photovoltaics
Solar cells
Thermal stability
Tuning
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Zusammenfassung: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.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201502458