Layered hybrid organic-inorganic perovskite materials

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United States of America Patent

PATENT NO 11557440
APP PUB NO 20200152395A1
SERIAL NO

16744686

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Abstract

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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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Patent Owner(s)

  • IMEC VZW; UNIVERSITEIT HASSELT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lutsen, Laurence Hasselt, BE 16 34
Vanderzande, Dirk Hasselt, BE 19 50

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