Chinese scientists build 54.80 cm² methylammonium-free perovskite solar module with 22.7% efficiency

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Chinese researchers report a methylammonium-free perovskite solar module produced using ambient-air slot-die coating and a dual-additive approach. The technology achieved 22.7% module efficiency, while related devices reached 26.16% and retained 97.76% of initial efficiency after 1,300 hours of testing.

Chinese researchers have developed a methylammonium-free perovskite solar cell technology using ambient-air slot-die coating and a dual-additive strategy, achieving a power conversion efficiency of 26.16%. The approach also improved operational stability, with unencapsulated devices retaining 97.76% of their initial efficiency after 1,300 hours of testing. The post Chinese scientists build 54.80 cm² methylammonium-free perovskite solar module with 22.7% efficiency appeared first on pv magazine Global.