Dinuclear Organometallic Complex and Application Using Same

A binuclear organometallic complex selected from at least one of the compounds from general formula I:

• where, L1 and L2 denote C6˜C18 aromatic ring, C3˜C18 heterocyclic ring and C4˜C8 heterocyclic ring independently, respectively;
• V1, V2, V3, V4, V5, V6, V7 and V8 are selected from nitrogen or carbon atoms independently, respectively, and at least two of V1, V2, V3 and V4 are nitrogen atoms, and at least two of V5, V6, V7 and V8 are nitrogen atoms;
• Y1, Y2 and Y3 are selected from nitrogen or carbon atoms independently, respectively;
• A1 and A2 are selected from —O—, —S—, —CH2—, —CD2-, —CRaRb—, —C(═O)—, —SiRaRb—, —GeH2—, —GeRaRb—, —NH—, —NRc—, —PH—, —PRc—, —RcP(═O)—, —AsRc—, —RcAs(═O)—, —S(═O)—, —SO2—, —Se—, —Se(═O)—, —SeO2—, —BH—, —BRc—, —RcBi(═O)—, —BiH—, or —BiRc— independently, respectively;
• X1, X2, X3 are selected from
• independently, respectively;
• R1, R2, R3, R4, R5, R6, R7, R8, R9, Ra, Rb, Rc and Rd are selected from hydrogen, deuterium, halogen, hydroxyl, sulfhydryl, nitro, cyanide, amino, carboxyl, sulfonyl, hydrazine, ureyl substituted or unsubstituted C1˜C24 alkyl, substituted or unsubstituted C2˜C24 alkyl, substituted or unsubstituted C2˜C24 alkyl, substituted or unsubstituted C2˜C24 alkyl, Substituted or unsubstituted C6˜C36 aryl, substituted or unsubstituted C3˜C18 heterocyclic, substituted or unsubstituted C3˜C36 hetero aryl, substituted or unsubstituted C1˜C24 alkoxy, Substituted or unsubstituted C1˜C24 alkyl thioyl, substituted or unsubstituted C2˜C24 epoxy, substituted or unsubstituted C2˜C24 alkyloxy group, substituted or unsubstituted C6˜C36 aryl group, Substituted or unsubstituted C2˜C24 alkoxy carbonyl, substituted or unsubstituted C2˜C36 ester, substituted or unsubstituted C2˜C36 amide, substituted or unsubstituted C1˜C36 sulfonyl group, substituted or unsubstituted C1˜C36 sulfonyl groups, substituted or unsubstituted C1˜C36 sulfonyl amines, substituted or unsubstituted C1˜C36 phosphoryl amines, Substituted or unsubstituted C2˜C24 alkoxy carbonyl amine, substituted or unsubstituted C7˜C37 aryl oxy carbonyl amine, substituted or unsubstituted methylsilyl, substituted or unsubstituted C1˜C18 monoalkylamino, substituted or unsubstituted C2˜C36 dialkylamino, substituted or unsubstituted C6˜C36 monoaryl amine, substituted or unsubstituted C12˜C72 bisaryl amine, substituted or unsubstituted C1˜C6 suburetic, substituted or unsubstituted C2˜C36;
• The substituents are selected from deuterium, halogen, hydroxyl, sulfhydryl, nitro, cyano, amino, carboxyl, sulfonyl, hydrazine, ureyl, C1˜C6 alkyl, C6˜C12 aryl group;
• two or more adjacent R1, R2, R3, R4, R5, R6, R7, R8 and R9 can be connected into rings;
• n1, n2, n3, n4, n5, n6, n7, n8 and n9 are selected from selected from integers of 1˜4 independently, respectively.