公开(公告)号：US09997714B2

公开(公告)日：2018-06-12

申请号：US15026776

申请日：2014-09-16

申请人： MERCK PATENT GMBH

发明人： Hiromi Shinohara ,  Atsushi Sawada ,  Elvira Montenegro ,  Heinrich Becker

IPC分类号： H01L51/00 ,  H01G9/20 ,  C07C213/02 ,  C07C217/92

CPC分类号： H01L51/006 ,  C07C213/02 ,  C07C217/92 ,  C07C2603/97 ,  H01G9/2031 ,  H01G9/2059 ,  H01L51/0056 ,  Y02E10/542

摘要： The invention relates to 2,2′,7,7′-tetrakis-(N,N′-di-4-methoxy-3-methylphenylamine)-9,9′-spirofluorene, to a process for its preparation, and to its use as hole transport material for electronic or optoelectronic devices, especially for solid-state dye-sensitized solar cells.