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CIGS photovoltaics

Carrier concentration resolved

Nature Energy volume 9, pages 117–118 (2024)Cite this article

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Inhomogeneities in the optoelectronic properties of polycrystalline Cu(In,Ga)Se2 absorbers can limit solar cell performance. Now, researchers quantify the spatial distribution of charge carrier concentration with nanometre resolution and show how different alkali-metal post-deposition treatments reduce the grain-to-grain fluctuations.

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Fig. 1: Topography and current maps obtained with c-AFM tomography.

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  1. Scanning Probe Microscopy Laboratory, Department of Physics and Materials Science, University of Luxembourg, Luxembourg City, Luxembourg

    Alex Redinger

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  1. Alex Redinger
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Correspondence to Alex Redinger.

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The author declares no competing interests.

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Redinger, A. Carrier concentration resolved. Nat Energy 9, 117–118 (2024). https://doi.org/10.1038/s41560-024-01460-7

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