Organic functional compounds, mixtures, formulations, organic functional thin films and preparation methods therefor and organic electronic devices

1. An organic functional compound represented by a general formula below:

wherein,

A comprises one of structural formulas of

wherein, Ar 11 and Ar 12 are each independently selected from the group consisting of an aromatic group containing 6 to 60 carbon atoms, and an heteroaryl group containing 3 to 60 carbon atoms;

 are each independently selected from the group consisting of an aromatic group containing 5 to 30 ring atoms, and an heteroaryl group containing 5 to 30 ring atoms;

Ar 9 and Ar 10 are each independently selected from the group consisting of H, D, F, CN, NO 2 , CF 3 , alkenyl, alkynyl, amine, acyl, amide, cyano, isocyano, alkoxy, hydroxy, carbonyl, sulfone, an alkyl group containing 1 to 60 carbon atoms, an aromatic group containing 6 to 60 carbon atoms, and a heterocyclic aryl group containing 3 to 60 carbon atoms;

L 1 is selected from an aromatic group containing 5 to 60 ring atoms and an heteroaryl group containing 5 to 60 ring atoms;

-L 2 - is a single bond, or L 2 is selected from the group consisting of an aromatic group containing 5 to 30 ring atoms and an heteroaryl group containing 5 to 30 ring atoms;

—X 1 — is a single bond, or X 1 is selected from the group consisting of N(R), C(R) 2 , Si(R) 2 , O, C═N(R), C═C(R) 2 , P(R), P(═O)R, S, S═O and SO 2 ;

—X 2 —, —X 3 —, —X 4 —, —X 5 —, —X 6 —, —X 7 —, —X 8 —, —X 9 — are each independently selected from the group consisting of a single bond, —N(R)—, —C(R) 2 —, —Si(R) 2 —, —O—, —(C═N(R))—, —(C═C(R) 2 ), —P(R)—, —(P(═O)R)—, —S—, —(S═O)— and —(SO 2 )—, and at most one of —X 2 — and —X 3 — is a single bond, at most one of —X 4 — and —X 5 — is a single bond, at most one of —X 6 — and —X 7 — is a single bond, and at most one of —X 8 — and —X 9 — is a single bond;

and, in the structural formula contained in the A, the number of carbon atoms on the ring attached to R 1 , R 2 is at least one;

R is independently selected from the group consisting of H, D, F, CN, alkenyl, alkynyl, nitrile, amine, nitro, acyl, alkoxy, carbonyl, sulfone, an alkyl containing 1 to 30 carbon atoms, an aromatic hydrocarbon group containing 5 to 60 ring atoms, and an aromatic heterocyclic group containing 5 to 60 ring atoms;

R 1 and R 2 are each independently selected from the group consisting of H, D, F, CN, an alkyl group, an aromatic ring group, an aromatic heterocyclic group, an amino group, a silicon group, a germyl group, an alkoxy group, an aryloxy group, and a siloxy group; the alkyl group is selected from the group consisting of an unsubstituted alkyl group, an unsubstituted fluoroalkyl group, a deuterated alkyl group, and a deuterated fluoroalkyl group; the aromatic ring group is selected from the group consisting of an unsubstituted aromatic ring group and a deuterated aromatic ring group; the aromatic heterocyclic group is selected from the group consisting of an unsubstituted aromatic heterocyclic group and a deuterated aromatic heterocyclic group; the amino group is selected from the group consisting of an unsubstituted amino group and a deuterated amino group; the silicon group is selected from the group consisting of an unsubstituted silicon group and a deuterated silicon group; the germyl group is selected from the group consisting of an unsubstituted germyl group and a deuterated germyl group; the alkoxy group is selected from the group consisting of an unsubstituted alkoxy group, an unsubstituted silylalkoxy group, an unsubstituted fluoroalkoxy group, a deuterated alkoxy group, a deuterated fluoroalkoxy group, and a deuterated silylalkoxy group; the aryloxy group is selected from the group consisting of an unsubstituted aryloxy group and a deuterated aryloxy group; the siloxy group is selected from the group consisting of an unsubstituted siloxy group and a deuterated siloxy group;

m is any of integers from 0 to 4, o is any of integers from 0 to 4, q is any of integers from 0 to 6, and s is any of integers from 1 to 4;

—SG is selected from the group consisting of structural formulas as follows:

wherein R 3 , R 4 , R 5 , R 6 and R 7 are each independently selected from the group consisting of H, D, F, CN, an alkyl group, an aromatic ring group, an aromatic heterocyclic group, an amino group, a silicon group, a germyl group, an alkoxy group, an aryloxy group, and a siloxy group; the alkyl group is selected from the group consisting of an unsubstituted alkyl group, an unsubstituted fluoroalkyl group, a deuterated alkyl group, and a deuterated fluoroalkyl group; the aromatic ring group is selected from the group consisting of an unsubstituted aromatic ring group and a deuterated aromatic ring group; the aromatic heterocyclic group is selected from the group consisting of an unsubstituted aromatic heterocyclic group and a deuterated aromatic heterocyclic group; the amino group is selected from the group consisting of an unsubstituted amino group and a deuterated amino group; the silicon group is selected from the group consisting of an unsubstituted silicon group and a deuterated silicon group; the germyl group is selected from the group consisting of an unsubstituted germyl group and a deuterated germyl group; the alkoxy group is selected from the group consisting of an unsubstituted alkoxy group, an unsubstituted silylalkoxy group, an unsubstituted fluoroalkoxy group, a deuterated alkoxy group, a deuterated fluoroalkoxy group, and a deuterated silylalkoxy group; the aryloxy group is selected from the group consisting of an unsubstituted aryloxy group and a deuterated aryloxy group; the siloxy group is selected from the group consisting of an unsubstituted siloxy group and a deuterated siloxy group;

n is an integer greater than 0;

-L 1 - is a single bond, or L 1 is selected from the group consisting of an aryl group and a heteroaryl group;

p is an integer greater than or equal to 1.

2. The organic functional compound according to claim 1 , wherein the A is selected from one of the following structural formulas:

wherein a is any integer of 1 to 3; b 11 to b 13 are each independently selected from any integer of 0 to 6.

3. The organic functional compound according to claim 1 , wherein the A is selected from one of the following structural formulas:

4. The organic functional compound according to claim 1 , wherein the A is selected from one of the following structural formulas:

5. The organic functional compound according to claim 1 , wherein the A has the following structural formula:

6. The organic functional compound according to claim 1 , wherein the -L 1 - is selected from the group consisting of the following single bond and structural formulas:

single bond

L 1 -1,

L 1 -2,

L 1 -3,

L 1 -4,

L 1 -5,

L 1 -6,

L 1 -7,

L 1 -8,

L 1 -9,

L 1 -10,

L 1 -11,

and L 1 -12.

7. The organic functional compound according to claim 1 , wherein the organic functional compound has a glass transition temperature of 100° C. or higher.

8. A mixture comprising the organic functional compound according to claim 1 and an organic solvent or an organic functional material which is selected from at least one selected from the group consisting of a hole injection material, a hole transport material, a hole blocking material, an electron injection material, an electron transport material, an electron blocking material, an organic matrix material, a light emitting material, and an organic dye.

9. An organic electronic device comprising a functional layer, wherein the functional layer is comprising the organic functional compound according to claim 1 .

10. The organic electronic device according to claim 9 , wherein the functional layer is a hole transport layer.

11. The organic electronic device according to claim 9 , wherein the functional layer is a light emitting layer.

12. The organic electronic device according to claim 9 , wherein the organic electronic device is selected from the group consisting of an organic light emitting diode, an organic photovoltaic cell, an organic light emitting electrochemical cell, an organic field effect transistor, an organic light emitting field effect transistor, an organic laser, an organic spintronic device, an organic sensor and an organic plasmon emitting diode.