Organic molecule serving as emitter

An organic molecule comprising a structure of Formula A:

• wherein
• n is 0 to 5,
• m is 1 to 6, and the sum of n and m is 6;
• each R* is independently
• H, deuterium, F, Cl, Br, I, N(R2)2, CN, CF3, NO2, OH, COOH, COOR2, CO(NR2)2, Si(R2)3, B(OR2)2, C(═O)R2, P(═O)(R2)2, S(═O)R2, S(═O)2R2, OSO2R2, a linear alkyl group, alkoxy group, or thioalkoxy group, each comprising 1 to 40 carbon atoms, a linear alkenyl group or alkynyl group, each comprising 2 to 40 carbon atoms, or a branched or cyclic alkyl group, alkenyl group, alkynyl group, alkoxy group, or thioalkoxy group, each comprising 3 to 40 carbon atoms and being substituted with one or more radicals R2,
• wherein, one or more non-adjacent CH2 groups are optionally replaced with 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
• one or more H atoms are optionally replaced with:
• deuterium, F, Cl, Br, I, CN, CF3, or NO2;
• an aromatic or heteroaromatic ring system, each replaced with one or more radicals R2 and comprising 5 to 60 aromatic ring atoms;
• an aryloxy group or heteroaryloxy group, each substituted with one or more radicals R2 and comprising 5 to 60 aromatic ring atoms;
• a diarylamino group, diheteroarylamino group, or arylheteroarylamino group, each substituted with one or more radicals R2 and comprising 10 to 40 aromatic ring atoms;
• a combination thereof;
• or a cross-linkable unit QE which is cross-linked by an acid-catalyzed, base-catalyzed, thermal, or UV cross-linking process in the presence or absence of a photoinitiator or by microwave radiation,
• two or more substituents among the substituents R* and R2 optionally form a mono- or polycyclic, aliphatic, aromatic and/or benzo-condensed ring system with one another,
• R2, identically or differently in each instance, is
• H, deuterium, F, Cl, Br, I, N(R3)2, CN, CF3, NO2, OH, COOH, COOR3, CO(NR3)2, Si(R3)3, B(OR3)2, C(═O)R3, P(═O)(R3)2, S(═O)R3, S(═O)2R3, OSO2R3, a linear alkyl group, alkoxy group, or thioalkoxy group, each comprising 1 to 40 carbon atoms, a linear alkenyl group or alkynyl group, each comprising 2 to 40 carbon atoms, or a branched or cyclic alkyl group, alkenyl group, alkynyl group, alkoxy group, or thioalkoxy group, each comprising 3 to 40 carbon atoms and being substituted with one or more radicals R3,
• wherein, one or more non-adjacent CH2 groups are optionally replaced with R3C═CR3, C≡C, Si(R3)2, Ge(R3)2, Sn(R3)2, C═O, C═S, C═Se, C═NR3, P(═O)(R3), SO, SO2, NR3, O, S, or CONR3, and
• one or more H atoms are optionally replaced with:
• deuterium, F, Cl, Br, I, CN, CF3, or NO2;
• an aromatic or heteroaromatic ring system, each substituted with one or more radicals R3 and comprising 5 to 60 aromatic ring atoms;
• an aryloxy group or heteroaryloxy group, each substituted with one or more radicals R3 and comprising 5 to 60 aromatic ring atoms;
• a diarylamino group, diheteroarylamino group, or arylheteroarylamino group, each substituted with one or more radicals R3 and comprising 10 to 40 aromatic ring atoms;
• or a combination thereof,
• two or more substituents R2 optionally form a mono- or polycyclic, aliphatic, aromatic, and/or benzo-condensed ring system with one another,
• R3, identically or differently in each instance, is H, deuterium, F, CF3, or an aliphatic, aromatic, and/or heteroaromatic hydrocarbon radical each comprising 1 to 20 carbon atoms, wherein one or more H atoms are optionally replaced with F or CF3, and two or more substituents R3 optionally form a monocyclic or polycyclic aliphatic ring system with one another, and
• each D is independently a donor group with electron-donating properties, comprising a structure of Formula I or Formula 11:
• wherein:
• o is an integer ≥1, and the sum of o and p is an integer of 10 or less;
• Ar is an aromatic ring system comprising 5 to 60 aromatic ring atoms;
• the waved line indicates a position where D is bound to an aromatic backbone of the organic molecule of Formula A;
• each R, identically or differently in each instance, is
• H, deuterium, F, Cl, Br, I, N(R2)2, CN, CF3, NO2, OH, COOH, COOR2, CO(NR2)2, Si(R2)3, B(OR2)2, C(═O)R2, P(═O)(R2)2, S(═O)R2, S(═O)2R2, OSO2R2, a linear alkyl group, alkoxy group, or thioalkoxy group, each comprising 1 to 40 carbon atoms, a linear alkenyl group or alkynyl group, each comprising 2 to 40 carbon atoms, or a branched or cyclic alkyl group, alkenyl group, alkynyl group, alkoxy group, or thioalkoxy group, each comprising 3 to 40 carbon atoms and being substituted with one or more radicals R2,
• wherein, one or more non-adjacent CH2 groups are optionally replaced with 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
• one or more H atoms are optionally replaced with:
• deuterium, F, Cl, Br, I, CN, CF3, or NO2;
• an aromatic or heteroaromatic ring system, each substituted with one or more radicals R2 and comprising 5 to 60 aromatic ring atoms;
• an aryloxy group or heteroaryloxy group, each substituted with one or more radicals R2 and comprising 5 to 60 aromatic ring atoms;
• a diarylamino group, diheteroarylamino group, or arylheteroarylamino group, each substituted with one or more radicals R2 and comprising 10 to 40 aromatic ring atoms;
• a combination thereof;
• or a cross-linkable unit QE which is cross-linked by an acid-catalyzed, base-catalyzed, thermal, or UV cross-linking process in the presence or absence of a photoinitiator or by microwave radiation,
• two or more substituents among the substituents R and R2 optionally form a mono- or polycyclic, aliphatic, aromatic and/or benzo-condensed ring system with one another,
• R2, identically or differently in each instance, is
• H, deuterium, F, Cl, Br, I, N(R3)2, CN, CF3, NO2, OH, COOH, COOR3, CO(NR3)2, Si(R3)3, B(OR3)2, C(═O)R3, P(═O)(R3)2, S(═O)R3, S(═O)2R3, OSO2R3, a linear alkyl group, alkoxy group, or thioalkoxy group, each comprising 1 to 40 carbon atoms, a linear alkenyl group or alkynyl group, each comprising 2 to 40 carbon atoms, or a branched or cyclic alkyl group, alkenyl group, alkynyl group, alkoxy group, or thioalkoxy group, each comprising 3 to 40 carbon atoms and being substituted with one or more radicals R3,
• wherein, one or more non-adjacent CH2 groups are optionally replaced with R3C═CR3, C≡C, Si(R3)2, Ge(R3)2, Sn(R3)2, C═O, C═S, C═Se, C═NR3, P(═O)(R3), SO, SO2, NR3, O, S, or CONR3, and
• one or more H atoms are optionally replaced with:
• deuterium, F, Cl, Br, I, CN, CF3, or NO2;
• an aromatic or heteroaromatic ring system, each substituted with one or more radicals R3 and comprising 5 to 60 aromatic ring atoms;
• an aryloxy group or heteroaryloxy group, each substituted with one or more radicals R3 and comprising 5 to 60 aromatic ring atoms;
• a diarylamino group, diheteroarylamino group, or arylheteroarylamino group, each substituted with one or more radicals R3 and comprising 10 to 40 aromatic ring atoms;
• or a combination thereof,
• two or more substituents R2 optionally form a mono- or polycyclic, aliphatic, aromatic and/or benzo-condensed ring system with one another, and
• R3, identically or differently in each instance, is H, deuterium, F, CF3, or an aliphatic, aromatic, and/or heteroaromatic hydrocarbon radical each comprising 1 to 20 carbon atoms, wherein one or more H atoms are optionally replaced with F or CF3, and two or more substituents R3 optionally form a monocyclic or polycyclic aliphatic ring system with one another.