The doping of CdTe solar cells with group-V elements can improve long-term stability of the devices yet the open-circuit voltage is limited. Now, a low-temperature and solution-based doping method relying on group-V chloride salts may lead to new paths for efficiency improvement.
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G.X. is the director of California Technology Center at First Solar Inc., which is a CdTe photovoltaics manufacturer.
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Xiong, G. Doping method with potential. Nat Energy 6, 694–695 (2021). https://doi.org/10.1038/s41560-021-00858-x
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DOI: https://doi.org/10.1038/s41560-021-00858-x
