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:

• A(-SG)p;
• wherein,
• A is an organic group having an optoelectronic function;
• -SG is represented by one of
• is selected from the group consisting of an aryl group containing 5 to 40 ring atoms and a heteroaryl group containing 5 to 40 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;
• p is an integer greater than or equal to 1.