钙钛矿太阳能电池中钙钛矿薄膜的制备方法和应用
本发明是关于一种钙钛矿太阳能电池中钙钛矿薄膜的制备方法和应用。所述钙钛矿太阳能电池为n‑i‑p型钙钛矿太阳能电池;所述钙钛矿薄膜通过两步旋涂法制得;其中,在第二次旋涂过程中加入结晶调控剂;所述结晶调控剂的原料包括:1,4‑丁二胺、4‑氨基苯甲酸和反溶剂。所要解决的技术问题是如何提供一种基于自上而下结晶的钙钛矿薄膜制备方法,能够使制得的钙钛矿薄膜的晶粒取向一致、缺陷密度低且表面平整,进而能够提高钙钛矿电池的光电转换效率。
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