Compound, mixture comprising the same, composition and organic electronic device

A compound having the general formula (1),

• wherein,
• X is an aromatic ring or a heteroaromatic ring,
• R, R1-R8 in each occurrence are the same or different, and independently selected from —H, —F, —Cl, Br, I, -D, —CN, —NO2, —CF3, B(OR0)2, Si(R0)3, straight chain alkane, alkane ether, alkane sulfide having 1 to 10 carbon atoms, branched alkane, cycloalkane, and alkane ether having 3 to 10 carbon atoms;
• R, R1-R8 are optionally substituted with one or more active groups R0, and wherein one or more non-adjacent methylene groups may be optionally substituted with ROC═CR0, C═C, Si(R0)2, Ge(R0)2, Sn(R0)2, C═O, C═S, C═Se, C═N(R0), O, S, —COO—, or CONR2;
• one or more H atoms of R, R1-R8 are optionally substituted by D, F, Cl, Br, I, CN, NO2, one or more active groups R0, aryl, or heteroaromatic ring;
• R0 in each occurrence is the same or different, and independently selected from H, D, aliphatic alkanes having 1 to 10 carbon atoms, aromatic hydrocarbon groups, and aromatic ring or heteroaromatic ring containing 5 to 10 carbon atoms;
• Ar is selected from alkyl having 1 to 17 carbon atoms, cycloalkyl having 3 to 18 carbon atoms, aromatic hydrocarbon group having 6 to 60 carbon atoms, or heterocyclic aryl having 3 to 60 carbon atoms;
• M is selected from aromatic hydrocarbon group having 6 to 60 carbon atoms or aromatic heterocyclic group having 3 to 60 carbon atoms;
• and
• n is an integer of 1 to 10;
• wherein at least one of R, R1-R8 is a D atom.

The compound according to claim 1, wherein the compound has a structure represented as any one of the following chemical formulas (2) to (7):

• wherein:
• Y1 and Y2 are selected from C or N, respectively, and when Y1 and Y2 are N, R is none;
• and
• at least one of R, R1-R8 is a D atom, more preferably, at least two of R, R1-R8 are D atoms, even more preferably, at least three of R, R1-R8 are D atoms, and most preferably, at least four of R, R1-R8 are D atoms.

The compound according to claim 5, wherein M or Ar comprises a group selected from carbazole derivatives or the general structure as follows:

• wherein each Ar1 to Ar9 is independently selected from:
• cyclic aryl groups and aromatic heterocyclic groups;
• groups comprising 2 to 10 ring structures which are the same or different types of cyclic aryl or aromatic heterocyclic group and are bonded to each other directly or through at least one of the following groups:
• oxygen atom, nitrogen atom, sulfur atom, silicon atom, phosphorus atom, boron atom, chain structure unit, and aliphatic cyclic group;
• and wherein each of Ar1 to Ar9 is unsubstituted or further optionally substituted, and the substituents are selected from hydrogen, alkyl, alkoxy, amino, alkene, alkyne, aralkyl, heteroalkyl, aryl and heteroaryl.

The compound according to claim 7, wherein M or Ar comprises a group selected from the following groups:

• wherein
• R9 is selected from the group consisting of:
• hydrogen, alkyl, alkoxy, amino, alkene, alkyne, aralkyl, heteroalkyl, aryl and heteroaryl, wherein, when they are aryl or heteroaryl, they are selected from:
• cyclic aryl groups;
• aromatic heterocyclic groups;
• groups comprising 2 to 10 ring structures which are the same or different types of cyclic aryl or aromatic heterocyclic group and are bonded to each other directly or through at least one of the following groups:
• oxygen atom, nitrogen atom, sulfur atom, silicon atom, phosphorus atom, boron atom, chain structure unit, and aliphatic cyclic group;
• and wherein each R9 is unsubstituted or further optionally substituted, and the substituents are selected from hydrogen, alkyl, alkoxy, amino, alkene, alkyne, aralkyl, heteroalkyl, aryl and heteroaryl;
• Ar1-Ar5 are selected from cyclic aryl groups;
• aromatic heterocyclic groups;
• groups comprising 2 to 10 ring structures which are the same or different types of cyclic aryl or aromatic heterocyclic group and are bonded to each other directly or through at least one of the following groups:
• oxygen atom, nitrogen atom, sulfur atom, silicon atom, phosphorus atom, boron atom, chain structure unit, and aliphatic cyclic group;
• and wherein each of Ar1-Ar5 is unsubstituted or further optionally substituted, and the substituents are selected from hydrogen, alkyl, alkoxy, amino, alkene, alkyne, aralkyl, heteroalkyl, aryl and heteroaryl;
• X1 to X8 are CH or N, and
• n1 is an integer from 1 to 20.9.