Use of phthalocyanine compounds with aryl or hetaryl substituents in organic solar cells

A compound of a formulae Ia-F or Ib-F

• wherein
• M is a divalent metal, a divalent metal atom comprising group, or a divalent metalloid group;
• A at each occurrence, is a fused arene ring selected from the group consisting of a benzene ring, a naphthalene ring, an anthracene ring, and a phenanthrene ring;
• Ra at each occurrence, is independently an aryl, an aryloxy, an arylthio, a monoarylamino, a diarylamino, a hetaryl hetaryloxy, an oligo(het)aryl, or an oligo(het)aryloxy, wherein each aryl, aryloxy, arylthio, monoarylamino, diarylamino, hetaryl, hetaryloxy, oligo(het)aryl, or oligo(het)aryloxy is optionally unsubstituted or optionally comprises at least one substituent Raa independently selected from the group consisting of a cyano, a hydroxyl, a nitro, a carboxyl, a halogen, an alkyl, a cycloalkyl, a haloalkyl, a halocycloalkyl, an alkoxy, a haloalkoxy, an alkylsulfanyl, a haloalkylsulfanyl, an amino, a monoalkylamino, a dialkylamino, a NH(aryl), and a N(aryl)2;
• m is an integer from 1 to 15;
• and
• n is an integer from 1 to 23.

A process for preparing a compound of a formula Ib-F

• wherein
• M is a divalent metal, a divalent metal atom comprising group or a divalent metalloid group,
• A at each occurrence, is a fused arene ring selected from the group consisting of a benzene ring, a naphthalene ring, an anthracene ring, and a phenanthrene ring,
• Ra at each occurrence, is independently an aryl, an aryloxy, an arylthio, a monoarylamino, a diarylamino, a hetaryl hetaryloxy, an oligo(het)aryl, or an oligo(het)aryloxy, wherein each aryl, aryloxy, arylthio, monoarylamino, diarylamino, hetaryl, hetaryloxy, oligo(het)aryl, or oligo(het)aryloxy is optionally unsubstituted or optionally comprises at least one substituent Raa independently selected from the group consisting of a cyano, a hydroxyl, a nitro, a carboxyl, a halogen, an alkyl, a cycloalkyl, a haloalkyl, a halocycloalkyl, an alkoxy, a haloalkoxy, an alkylsulfanyl, a haloalkylsulfanyl, an amino, a monoalkylamino, a dialkylamino, a NH(aryl), and a N(aryl)2;
• m is an integer from 1 to 15, and
• n is an integer from 1 to 23,
• the process comprising:
• a) reacting an educt composition at an elevated temperature with a compound of a metal M,
• wherein the educt composition comprises at least one compound selected from the group consisting of a compound of formula IIa, IIb, IIc, and IId
• wherein
• the groups A are, independently of each other, a fused arene ring selected from the group consisting of a benzene ring, a naphthalene ring, an anthracene ring, and a phenanthrene ring,
• m1 is an integer from 1 to 4,
• m2 is an integer from 1 to 4,
• n1 is an integer from 1 to 7
• n3 is an integer from 0 to 8,
• with the proviso that the sum of all indices m1 and all indices m2 is not more than 15,
• with the proviso that the sum of all indices n1 and all indices n2 is not more than 23,
• with the proviso that the educt composition comprises at least one compound of the formula IIa or that the educt composition comprises at least one compound of the formula Jib and at least one compound of the formula IIc.