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Perovskite photovoltaics

Slow recombination unveiled

One of the most salient features of hybrid lead halide perovskites is the extended lifetime of their photogenerated charge carriers. This property has now been shown experimentally to originate from a slow, thermally activated recombination process.

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Figure 1: Schematic band diagram of a semiconductor.

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Correspondence to Jacques-E. Moser.

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Moser, JE. Slow recombination unveiled. Nature Mater 16, 4–6 (2017).

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