abstract |
Use of rylene derivatives I n n n n n n n n n n with the following definition of the variables: n X together n n n n n n n n n n n n n n both —COOM; n n n Y a radicaln n-L-NR 1 R 2 (y1)n n-L-Z—R 3 (y2)n the other radical hydrogen; together n n n n n n n n n n n n n n n both hydrogen; n n n R is optionally substituted (het)aryloxy, (het)arylthio; n P is —NR 1 R 2 ; n B is alkylene; optionally substituted phenylene; combinations thereof; n A is —COOM; —SO 3 M; —PO 3 M 2 ; n D is optionally substituted phenylene, naphthylene, pyridylene; n M is hydrogen; alkali metal cation; [NR 5 ] 4 + ; n L is a chemical bond; optionally indirectly bonded, optionally substituted (het)arylene radical; n R 1 , R 2 are optionally substituted (cyclo)alkyl, (het)aryl; together optionally substituted ring comprising the nitrogen atom; n Z is —O—; —S—; n R 3 is optionally substituted alkyl, (het)aryl; n R′ is hydrogen; optionally substituted (cyclo)alkyl, (het)aryl; n R 5 is hydrogen; optionally substituted alkyl (het)aryl; n m is 0, 1, 2; n n, p m=0: 0, 2, 4 where: n+p=2, 4, if appropriate 0;n m=1: 0, 2, 4 where: n+p=0, 2, 4; m=2: 0, 4, 6 where: n+p=0, 4, 6, n n or of mixtures thereof as photosensitizers in solar cells. |