Electronic devices

A p-doped mixture comprising at least one monotriarylamine of the formula (II), (III) or (IV)

• where:
• Z is on each occurrence, identically or differently, N or CR1, where Z is equal to C if a substituent is bonded;
• Ar2 is an aromatic or heteroaromatic ring system having 5 to 20 aromatic ring atoms, which may be substituted by one or more radicals R1;
• Ar3 is on each occurrence, identically or differently, an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which may be substituted by one or more radicals R1;
• R1 is on each occurrence, identically or differently, H, D, F, Cl, Br, I, CHO, C(═O)R2, P(═O)(R2)2, S(═O)R2, S(═O)2R2, CR2═CR2R2, CN, NO2, Si(R2)3, OSO2R2, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a straight-chain alkenyl or alkynyl group having 2 to 40 C atoms or a branched or cyclic alkyl, alkenyl, alkynyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, each of which may be substituted by one or more radicals R2, where one or more non-adjacent CH2 groups may be replaced by R2C═CR2, C≡C, Si(R2)2, Ge(R2)2, Sn(R2)2, C═O, C═S, C═Se, C═NR2, P(═O)(R2), SO, SO2, NR2, O, S or CONR2 and where one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which may in each case be substituted by one or more radicals R2, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which may be substituted by one or more radicals R2, or a combination of these systems;
• two or more adjacent substituents R1 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another;
• R2 is on each occurrence, identically or differently, H, D, CN or an aliphatic, aromatic and/or heteroaromatic hydrocarbon radical having 1 to 20 C atoms, in which, in addition, H atoms may be replaced by D or F;
• two or more adjacent substituents R2 here may also form a mono- or polycyclic, aliphatic or aromatic ring system with one another;
• and
• n is 0 or 1 and
• wherein the dopant of layer A is selected from compounds whose LUMO is not more than 0.3 eV higher than the HOMO of the monotriarylamine.

An electronic device comprising

• anode,
• cathode,
• at least one emitting layer which is arranged between anode and cathode,
• at least one p-doped layer A which comprises a monotriarylamine as host, and
• at least one layer B comprising a monotriarylamine
• wherein the dopant of layer A is selected from quinodimethane compounds,
• azaindenofluorenediones, azaphenalenes, azatriphenylenes, I2, metal halides, or metal oxides.