Publication number: 20170018717
Abstract: The present invention relates to compounds of the formula I wherein X1, X2 are O or C(CN)2; A is selected from wherein, if present, X3, X4 are O or C(CN)2 and m, R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, R7a, R7a, R8a, R8b, R9, R10a, R10b, Rm1, Rm2, Rm3 and Rm4 are as defined in the claims and description. The present invention also relates to a method for their preparation and their use as semiconductors, in particular as semiconductors in organic electronics and organic photovoltaics.
Type:
Application
Filed:
February 24, 2015
Publication date:
January 19, 2017
Inventors:
THOMAS GESSNER, Helmut REICHELT, Thomas WEITZ, Michael EUSTACHI, Daniel JAENSCH, Long CHEN, Artem N. SKABEEV, Klaus MUELLEN, Hans REICHERT