Cerium (IV) complexes and their use in organic electronics

An electronic component comprising 4, 5, 6, 7 or more layers comprising a hole transport layer and/or a hole injection layer, which comprises at least one compound of the general formula (I.1)

• Ce4+(L1L2L3L4)4− (I.1)
• or mixtures thereof, wherein
• L1;
• L2;
• L3;
• and L4 are independently from each other selected from a bidentate ligand having the general formula (I.2)
• wherein
• X and W independently from each other represent O;
• Y represents CR3;
• R1, R2 independently from each other represent C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-haloalkoxy, C6-C14-aryl or hetaryl having 4 to 13 carbon atoms, wherein hetaryl has 1, 2 or 3 identical or different heteroatoms or heteroatom-containing groups as ring members, selected from N, NR7, O, S, SO and SO2, wherein aryl and hetaryl are unsubstituted or substituted by 1, 2, 3, 4 or 5 identical or different radicals R8;
• R3 represents hydrogen, CN, halogen, C1-C6-alkyl, C1-C6-haloalkyl, C6-C14-aryl or hetaryl having 4 to 13 carbon atoms, wherein hetaryl has 1, 2 or 3 identical or different heteroatoms or heteroatom-containing groups as ring members, selected from N, O, S, SO and SO2, wherein aryl and hetaryl are unsubstituted or substituted by 1, 2, 3, 4 or 5 identical or different radicals R5;
• R5 represents CN, halogen, C1-C4-alkyl or C1-C4-haloalkyl;
• R7 represents hydrogen, C1-C6-alkyl, C1-C6-haloalkyl or C6-C14-aryl, wherein aryl is unsubstituted or substituted by 1, 2, 3, 4 or 5 identical or different radicals R5;
• R8 represents CN, halogen, C1-C4-alkyl, C1-C4-haloalkyl or C6-C14-aryl, which is unsubstituted or substituted by 1, 2 or 3 identical or different radicals selected from C1-C4-alkyl and C1-C4-haloalkyl.