| 主权项 |
1. An ionic compound of formula (1)
[M(L)t+/t−n(L′)m(L″)o][ion]t−/t+n (1) wherein sub-structure M(L)t+/t−n, as cation or anion, is of formula (2a) wherein M is iridium or platinum; D is N; X is, CR1; X1 is CR1 or N; Q is, identically or differently on each occurrence, a; a charged substituent selected from positively charged substituents selected from heterocyclic compounds based on pyridine, imidazole, thiazole, isothiazole, oxazole, isoxazole, quinoline, isoquinoline, pyridazine, rimidine razine urine. henazine or mixtures thereof, or said charged heterocyclic group is optionally substituted with one or more radicals R1 or —N+(R)3, —P+(R)3, —As+(R)3, —Sb+(R)3, or wherein w is an integer 1, 2, 3, 4, or 5; X is defined above; and R is, identically or differently on each occurrence, H, deuterium, F, CN, a straight-chain alkyl or alkoxy group having up to 40 C atoms, a branched or cyclic alkyl or alkoxy group having 3 to 40 C atoms, where one or more non-adjacent CH2 groups of said straight-chain alkyl or alkoxy group and said branched or cyclic alkyl or alkoxy group is optionally replaced by —R2C═CR2—, —C≡C—, Si(R2)2, Ge(R2)2, Sn(R2)2, —O—, —S—, —NR2—, —(C═O)—, —(C═NR2)—, —P═O(R2)—, or —CONR2—, and wherein one or more H atoms is optionally replaced by F,
oran aromatic or aryloxy system having 6 to 30 C atoms or a heteroaromatic or heteroaryloxy system having 2 to 30 C atoms, wherein said aromatic or aryloxy system and said heteroaromatic or heteroaryloxy system are optionally substituted by one or more radicals R1; and wherein two or more radicals R on the same ring or on different rings optionally define a further aliphatic or aromatic ring system with one another, or alternatively selected from negatively charged substituents selected from the group consisting of —R—O−, —R—COO−, —R—SO3−, —COO−, —O−, —S−, —SO2−, —SO3−, —SO42−, —PO22−, —PO32−, —PO42−; wherein R is defined above, R1 is, identically or differently on each occurrence, H, deuterium, F, Cl, Br, I, OH, NO2, CN, N(R2)2, B(OH)2, B(OR2)2, a straight-chain alkyl or alkoxy group having up to 40 C atoms, a branched or cyclic alkyl or alkoxy group having 3 to 40 C atoms, wherein one or more non-adjacent CH2 groups in said straight-chain alkyl or alkoxy groups and said branched or cyclic alkyl or alkoxy group are optionally replaced by —R2C═CR2—,—C≡C—, Si(R2)2, Ge(R2)2, Sn(R2)2, —O—, —S—, —NR2—, —(C═O)—, —(C═NR1)—, —P═O(R2)—, —COOR2—, or —CONR2—, and wherein one or more H atoms are optionally replaced by F,
oran aromatic or aryloxy system having 6 to 30 C atoms, a heteroaromatic or heteroaryloxy system having 2 to 30 C atoms, wherein said aromatic, aryloxy, heteroaromatic, and heteroaryloxy systems are optionally substituted by one or more non-aromatic radicals R1, wherein a plurality of R1, either on the same ring or on different rings, optionally define a further mono- or polycyclic, aliphatic or aromatic ring system; R2 is, identically or differently on each occurrence, H, an aliphatic hydrocarbon radical having up to 20 C atoms, an aromatic hydrocarbon radical having 6 to 20 C atoms, or a heteroaromatic hydrocarbon radical having 2 to 30 C atoms; k is, identically or differently on each occurrence, 0, 1, 2, 3, or 4, wherein at least one k is not equal to 0; n is 1, 2 or 3; t is 1, 2, or 3, wherein the ligand itself carries the charge; and wherein ligands L′ and L″ are monoanionic ligands which chelate in a bidentate manner; m and o are, identically or differently on each occurrence, 0, 1, or 2; wherein at least one group Q is present on the structure of formula (2a); and an ion which acts as counterion to the complex ion [M(L)t+/t−n(L′)m(L″)o]. |
