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CADMIUM TELLURIDE PHOTOVOLTAICS

High efficiency for As-doped cells

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Copper-doped cadmium telluride thin-film solar cells have high efficiency, but limited hole density and Cu diffusion allow little room for further improvements in device performance. Now, arsenic-doped cadmium telluride thin films show enhanced hole density and lower dopant diffusivity leading to 20.8%-efficient solar cells.

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Fig. 1: Cathodoluminescence images of cross-sectioned bevels of arsenic-doped thin-film graded-gap CdSeTe solar cells.

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Authors and Affiliations

  1. Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool, UK

    Ken Durose

  2. Department of Physics, University of Liverpool, Liverpool, UK

    Ken Durose

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  1. Ken Durose
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Correspondence to Ken Durose.

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Durose, K. High efficiency for As-doped cells. Nat Energy 4, 825–826 (2019). https://doi.org/10.1038/s41560-019-0475-2

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