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    • 18. 发明申请
    • MIXED CATION PEROVSKITE SOLID STATE SOLAR CELL AND FABRICATION THEREOF
    • 混合阳离子钙钛矿固体太阳能电池及其制造
    • WO2018015831A1
    • 2018-01-25
    • PCT/IB2017/054008
    • 2017-07-03
    • ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)PANASONIC COPORATION
    • SALIBA, MichaelMATSUI, TaisukeDOMANSKI, KonradSEO, JiyounZAKEERUDDIN, Shaik MohammedTRESS, Wolfgang RichardGRAETZEL, Michael
    • C07F7/00H01G9/20H01L51/42
    • The present invention provides a perovskite material comprising an organic-inorganic perovskite structure of formula (I), A n MX 3 (I), n being the number of cation A and an integer > 4, A being a monovalent cation selected from inorganic cations Ai and/or from organic cations Ao, M being a divalent metal cation or a combination thereof, X being a halide and/or pseudohalide anion or a combination thereof, wherein at least one cation A is selected from organic cations Ao, the inorganic cations Ai are independently selected from Li + , Na + , K + , Rb + , Cs + , or Tl + and the organic cations Ao are independently selected from ammonium (NH 4 + ), methyl ammonium (MA) (CH 3 NH 3 + ), ethyl ammonium (CH 3 CH 2 NH 3 ) + , formamidinium (FA) (CH(NH 2 ) 2 + ), methylformamidinium (CH 3 C(NH 2 ) 2 + ), guanidium (C((NH) 2 ) 3 + ), tetramethylammonium ((CH 3 ) 4 N + ), dimethylammonium ((CH 3 ) 2 NH 2 + ) or trimethylammonium ((CH 3 ) 3 NH + ).
    • 本发明提供了一种钙钛矿材料,其包含式(I)的有机 - 无机钙钛矿结构,其中A(n)MX 3(I), n是阳离子A的数目并且整数> 4,A是选自无机阳离子A 1和/或来自有机阳离子A 0的一价阳离子,M是二价金属阳离子或其组合,X是卤化物和/或拟卤化物阴离子或其组合,其中至少一个阳离子 A选自有机阳离子A 0,无机阳离子A 1独立地选自Li +,Na +,K +,Rb + + NH + 4 + Tl +和有机阳离子A 0独立地选自铵(NH 4 4 + ),甲基铵(MA)(CH 3 NH 3 3 +),乙基铵(CH 3) 甲基脒(FA)(CH(NH 2)2 CH 2 CH 2 CH 3) 2 +),甲基甲脒(CH 3 C(NH 2)2 +), ),胍(C((NH)2 = 3)+,四甲基铵((CH 3) ),二甲基铵((CH 3)2 N 2, NH + 2 +)或三甲基铵((CH 3)3 -NH +)