Eco‐Friendly Spray Deposition of Perovskite Films on Macroscale Textured Surfaces,Advanced Materials Technologies

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Eco‐Friendly Spray Deposition of Perovskite Films on Macroscale Textured Surfaces
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2020-01-15 , DOI: 10.1002/admt.201901009
Simone Sansoni ₁ , Michele De Bastiani ₂ , Erkan Aydin ₂ , Esma Ugur ₂ , Furkan Halis Isikgor ₂ , Areej Al‐Zahrani ₂ , Francesco Lamberti ₁ , Frederic Laquai ₂ , Moreno Meneghetti _{1,

3} , Stefaan De Wolf ₂

Affiliation

An innovative sequential eco‐friendly spray coating (SEF‐SC) technique is developed to uniformly deposit metal halide perovskite films on macroscale textured surfaces, such as textured crystalline‐silicon wafers. Contrasting with previous work on spray‐coated perovskite solar cells, the method presented in this work completely avoids the use of toxic and dangerous solvents. Both MAPbI₃ and CsFAMAPbI₃₋_xBr_x perovskite films deposited by SEF‐SC show excellent optoelectronic properties and no phase segregation, even when synthesized in ambient conditions. Uniform perovskite coatings are obtained on textured‐silicon heterojunction solar cells underlining the promise of this method, which holds the potential for scalable wet processing of perovskites on rough substrates, such as for low‐cost perovskite/silicon tandem solar cell fabrication.

中文翻译：

宏观纹理表面钙钛矿薄膜的环保喷涂

已开发出一种创新的顺序式环保喷涂技术（SEF-SC），以将金属卤化物钙钛矿薄膜均匀地沉积在宏观纹理化的表面上，例如纹理化的结晶硅晶片。与先前有关喷涂钙钛矿型太阳能电池的工作相反，本工作介绍的方法完全避免了使用有毒和危险的溶剂。MAPbI ₃和CsFAMAPbI ₃₋_x Br _x即使在环境条件下合成，由SEF‐SC沉积的钙钛矿膜也具有出色的光电性能且没有相偏析。在织构化的硅异质结太阳能电池上可获得均匀的钙钛矿涂层，这突显了该方法的前景，该方法具有在粗糙的基底上进行钙钛矿的可扩展湿法加工（例如低成本钙钛矿/硅串联太阳能电池制造）的潜力。

更新日期：2020-02-10

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