7Ferroelectric Properties

Tobias Leonhard, Holger Röhm, Alexander D. Schulz and Alexander Colsmann

Karlsruhe Institute of Technology (KIT), Material Research Center for Energy Systems (MZE), Strasse am Forum 7, 76131 Karlsruhe, Germany

7.1 On the Importance of Ferroelectricity in Hybrid Perovskite Solar Cells

Among the distinct properties of light‐harvesting organic metal halide (OMH) perovskites are their low charge carrier recombination at traps states (Shockley–Read–Hall [SRH] recombination) [1] and their excellent charge carrier transport [24]. Recent theoretic and experimental findings have pointed out that some OMH perovskites are ferroelectric and that the corresponding microscopic internal fields may partly be the origin of the low ...

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