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Cs2AgBiBr6 Double Perovskites as Lead-Free Alternatives for Perovskite Solar Cells?

Read our newest perspective published on solarRRL

Lead-free alternatives to the conventional perovskites would make this technology greener and facilitate the market entry. With this goal, Cs2AgBiBr6 double perovskite solar cells are investigated. Whereas first results looked promising, huge challenges persist. Whether they can be overcome and what is the theoretical efficiency limit, you can read in this perspective article.