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1. An iridium complex compound represented by formula (1):
Ir(L1)m(L2)n(L3)3-m-n (1), wherein: Ir represents an iridium atom; L1 to L3 each represent an organic ligand and are bonded to the Ir; m is an integer of 1-3; n is an integer of 0-2, m+n being 3 or less; if at least one of L1 to L3 is present in plural number, these may be the same or different; at least one of L1 to L3 includes at least one partial structure represented by formula (2);
Ar1—X (2) L1 represents a ligand represented by formula (3): in formula (3), ring A represents a 6-membered aromatic hydrocarbon ring or aromatic heterocyclic ring which includes carbon atoms C1, C2, and C3; hydrogen atoms on the ring A may each independently be substituted with a fluorine atom, a chlorine atom, a bromine atom, an alkyl group having 1-20 carbon atoms, a (hetero)aralkyl group having 7-40 carbon atoms, an alkoxy group having 1-20 carbon atoms, a (hetero)aryloxy group having 3-20 carbon atoms, an alkylsilyl group in which the alkyl group has 1-20 carbon atoms, an arylsilyl group in which the aryl group has 6-20 carbon atoms, an alkylcarbonyl group having 2-20 carbon atoms, an arylcarbonyl group having 7-20 carbon atoms, an alkylamino group having 2-20 carbon atoms, an arylamino group having 6-20 carbon atoms, or a (hetero)aryl group having 3-20 carbon atoms; any adjacent substituents bonded to the ring A may be bonded to each other to form a ring; Ar1 represents a (hetero)aryl group having 3-20 carbon atoms; X represents an alkyl group having 5-20 carbon atoms, a (hetero)aralkyl group having 7-40 carbon atoms, an alkoxy group having 4-20 carbon atoms, a (hetero)aryloxy group having 3-20 carbon atoms, or a substituent represented by the following formula (2-1): Y represents a fluorine atom, a chlorine atom, a bromine atom, an alkyl group having 1-20 carbon atoms, a (hetero)aralkyl group having 7-40 carbon atoms, an alkoxy group having 1-20 carbon atoms, a (hetero)aryloxy group having 3-20 carbon atoms, or a (hetero)aryl group having 3-20 carbon atoms, and in case where Y is present in plural number, these may be the same or different; Z represents a fluorine atom, a chlorine atom, a bromine atom, an alkyl group having 1-20 carbon atoms, a (hetero)aralkyl group having 7-40 carbon atoms, an alkoxy group having 1-20 carbon atoms, or a (hetero)aryloxy group having 3-20 carbon atoms, and in case where Z is present in plural number, these may be the same or different; and p represents an integer of 0-4; q represents an integer of 2-10; r represents an integer of 0-5; R1 to R7 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an alkyl group having 1-20 carbon atoms, a (hetero)aralkyl group having 7-40 carbon atoms, an alkoxy group having 1-20 carbon atoms, a (hetero)aryloxy group having 3-20 carbon atoms, an alkylsilyl group in which the alkyl group has 1-20 carbon atoms, an arylsilyl group in which the aryl group has 6-20 carbon atoms, an alkylcarbonyl group having 2-20 carbon atoms, an arylcarbonyl group having 7-20 carbon atoms, an alkylamino group having 2-20 carbon atoms, an arylamino group having 6-20 carbon atoms, or a (hetero)aryl group having 3-20 carbon atoms; these groups may be further substituted with at least one group selected from the group consisting of a fluorine atom, a chlorine atom, a bromine atom, an alkyl group having 1-20 carbon atoms, a (hetero)aralkyl group having 7-40 carbon atoms, an alkoxy group having 1-20 carbon atoms, a (hetero)aryloxy group having 3-20 carbon atoms, an alkylsilyl group in which the alkyl group has 1-20 carbon atoms, an arylsilyl group in which the aryl group has 6-20 carbon atoms, an alkylcarbonyl group having 2-20 carbon atoms, an arylcarbonyl group having 7-20 carbon atoms, an alkylamino group having 2-20 carbon atoms, an arylamino group having 6-20 carbon atoms, and a (hetero)aryl group having 3-20 carbon atoms; and the Ir in formula (1) and the R6 or R7 form a bond. |
