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

An organic functional compound represented by a general formula below:

• wherein,
• A comprises one of structural formulas of
• wherein, Ar11 and Ar12 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;
• Ar9 and Ar10 are each independently selected from the group consisting of H, D, F, CN, NO2, CF3, 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;
• L1 is selected from an aromatic group containing 5 to 60 ring atoms and an heteroaryl group containing 5 to 60 ring atoms;
• -L2- is a single bond, or L2 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;
• —X1— is a single bond, or X1 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 SO2;
• —X2—, —X3—, —X4—, —X5—, —X6—, —X7—, —X8—, —X9— 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 —(SO2)—, and at most one of —X2— and —X3— is a single bond, at most one of —X4— and —X5— is a single bond, at most one of —X6— and —X7— is a single bond, and at most one of —X8— and —X9— is a single bond;
• and, in the structural formula contained in the A, the number of carbon atoms on the ring attached to R1, R2 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;
• R1 and R2 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 R3, R4, R5, R6 and R7 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;
• -L1- is a single bond, or L1 is selected from the group consisting of an aryl group and a heteroaryl group;
• p is an integer greater than or equal to 1.