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首页> 外文期刊>RSC Advances >Efficient perovskite solar cell fabricated in ambient air using one-step spin-coating
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Efficient perovskite solar cell fabricated in ambient air using one-step spin-coating

机译：使用一步旋转涂层在环境空气中高效的钙钛矿太阳能电池

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One-step spin coating is a simple method which has been widely used in fabricating perovskite solar cells. However, this method was vastly demonstrated in glove box wherein the influence of moisture is negligible. Thus the use of one-step spin-coating in ambient air has not been comprehensively investigated. In this work, we employ one-step spin-coating method to coat perovskite films in ambient air (with humidity above 50%), and then the perovskite films are annealed in vacuum or air. Experimental results show that by using vacuum annealing, a power conversion efficiency of 12.98% is attained, and this is 45% higher than that attained by air annealing method. This improvement is mainly attributed to the fast solvent evaporation process in vacuum during annealing, which induces high supersaturation that leads to higher coverage of perovskite film.
机译：一步旋转涂层是一种简单的方法，它已被广泛用于制造Perovskite太阳能电池。然而，在手套箱中，这种方法在手套箱中展示，其中水分的影响可以忽略不计。因此，尚未全面研究在环境空气中使用一步旋转涂层。在这项工作中，我们采用一步的旋转涂布方法在环境空气中涂覆钙钛矿薄膜（湿度高于50％），然后钙钛矿膜在真空或空气中退火。实验结果表明，通过使用真空退火，达到12.98％的功率转换效率，这比空气退火法所获得的45％。这种改进主要归因于退火期间真空的快速溶剂蒸发过程，其诱导高过饱和，导致钙钛矿膜的覆盖率较高。

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