In a first aspect, the present invention relates to a perovskite material comprising negatively charged layers alternated with and neutralized by positively charged layers; the negatively charged layers having a general formula selected from the list consisting of: Ln−1MnX3n+1, LnMnX3n+2, and Ln−1M′nX3n+3, and the positively charged layers comprising: one or more organic ammonium cations independently selected from monovalent cations Q and divalent cations Q′, or a polyvalent cationic conjugated organic polymer Z, wherein Q, Q′ and Z comprise each a π-conjugated system in which at least 8 and preferably at least 10 atoms participate, L is a monovalent cation, Mn are n independently selected metal cations averaging a valence of two, M′n are n independently selected metal cations averaging a valence equal to 2+2/n, X is a monovalent anion, and n is larger than 1.
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机译：在第一方面，本发明涉及一种钙钛矿材料，其包括与带正电的层交替并被其中和的带负电的层。具有以下通式的带负电层：L n-1 M n X 3n + 1 ，L n M n X 3n + 2 和L n-1 M′ n X 3n + 3 ，并且带正电的层包括：一个或多个独立地选自单价阳离子Q和二价阳离子Q'的有机铵阳离子，或多价阳离子共轭有机聚合物Z，其中Q，Q'和Z分别构成至少8个原子，优选至少10个原子参与的π共轭体系，L是一价阳离子，M n 是n个独立选择的平均价为两个的金属阳离子，M ′ n 是n个独立选择的金属阳离子，平均化合价为2 + 2 / n，X为单价阴离子，n大于1。
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