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Optical spectroscopy

Picturing charge carrier diffusion

Spectral shifts in transient photoluminescence measurements performed with a confocal microscope allow tracking of charge carrier mobilities in polycrystalline halide perovskites.

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Fig. 1: Schematic illustration of the photon reabsorption effect.


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Correspondence to Thomas Kirchartz.

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Kirchartz, T. Picturing charge carrier diffusion. Nat. Mater. 21, 1344–1345 (2022).

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