摘要:
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.
摘要:
The present invention relates to the use of compounds of general formula (I) wherein the variables have the meaning given in the description in dye-sensitized solar cells; to compounds of general formula (I') wherein the variables have the meaning given in the description; to compounds of general formula (I") wherein the variables have the meaning given in the description; to the use of compounds of general formula (II) in the case of q equal to 0 or 1 : as precursor compounds for the manufacture of compounds of general formula (I) and in the case of q equal to 1 : as precursor compounds for the manufacture of compounds of general formula (I') wherein the remaining variables have the meaning given in the description; to compounds of general formula (III) wherein the variables have the meaning given in the description; to the use of compounds of general formulae (I), (I') or (I") as sensitizers in dye-sensitized solar cells; and to such dye-sensitized solar cells per se.