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Surfactants for smoother films


The efficiency of perovskite solar modules is limited by the difficulty in fabricating uniform and high-quality perovskite films. Now, a modified doctor blade method with a surfactant-controlled drying process has been shown to enable high-speed deposition of large-area and uniform perovskite films.

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Fig. 1: Blade-coating of perovskite films.


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Correspondence to Liyuan Han.

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Han, L. Surfactants for smoother films. Nat Energy 3, 545–546 (2018).

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