| CPC C07F 15/0033 (2013.01) [H10K 85/342 (2023.02); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] | 16 Claims |
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1. An organometallic compound represented by Formula 1,
 wherein, in Formula 1,
Y2 is C or N,
a group represented by
 in Formula 1 is one of groups represented by Formulae CY1(1)-1 to CY1(1)-64, CY1(6)-2 to CY1(6)-8, and CY1(6)-10 to CY1(6)-16:
             wherein, in Formulae CY1(1)-1 to CY1(1)-64, and CY1(6)-2 to CY1(6)-8 and CY1(6)-10 to CY1(6)-16,
indicates a binding site to Ir in Formula 1, and
*″ indicates a binding site to ring CY2 in Formula 1,
ring CY2 is a C5-C30 carbocyclic group or a C1-C30 heterocyclic group,
T1, T2 and A1 to A7 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C1-C60 alkylthio group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C2-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —N(Q1)(Q2), —Si(Q3)(Q4)(Q5), —Ge(Q3)(Q4)(Q5), —B(Q6)(Q7), —P(═O)(Q8)(Q9), or —P(Q8)(Q9),
T11 to T18 are the same as defined in connection with T1, provided that each of Ti to T18 is not hydrogen, T101 to T108 in Formulae CY1(1)-1 to CY1(1)-64 each comprises at least one fluoro group (—F) and T106 and T107 in Formulae CY1(6)-2 to CY1(6)-8 and CY1(6)-10 to CY1(6)-16 each comprises a fluorinated C1-C20 alkyl group, a fluorinated C3-C10 cycloalkyl group, a fluorinated C1-C10 heterocycloalkyl group, a fluorinated phenyl group, a fluorinated biphenyl group, or a fluorinated terphenyl group, each unsubstituted or substituted with deuterium, a C1-C20 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a phenyl group, a biphenyl group, a terphenyl group, or any combination thereof,
a1 and a2 are each independently an integer of 0 to 20; when al is 2 or greater, two or more T1(s) are identical to or different from each other; when a2 is 2 or greater, two or more T2 (s) are identical to or different from each other; and the sum of a1 and a2 is 1 or greater,
two or more of Ti(s) in the number of a1 are optionally linked to one another to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R1a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R1a,
two or more of T2 (s) in the number of a2 are optionally linked to one another to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R1a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R1a,
T1 and T2 are optionally linked to one another to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R1a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R1a,
two or more of A1 to A7 are optionally linked to one another to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R1a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R1a,
R1a is the same as defined in connection with A7,
a substituent(s) of the substituted C1-C60 alkyl group, the substituted C2-C60 alkenyl group, the substituted C2-C60 alkynyl group, the substituted C1-C60 alkoxy group, the substituted C1-C60 alkylthio group, the substituted C3-C10 cycloalkyl group, the substituted C1-C10 heterocycloalkyl group, the substituted C3-C10 cycloalkenyl group, the substituted C2-C10 heterocycloalkenyl group, the substituted C6-C60 aryl group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group, the substituted C1-C60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group are each independently:
deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group;
a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group, each substituted with deuterium, —F, —C1, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q11)(Q12), —Si(Q13)(Q14)(Q15), —Ge(Q13)(Q14)(Q15), —B(Q16)(Q17), —P(═O)(Q18)(Q19), —P(Q18)(Q19), or any combination thereof;
a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, each unsubstituted or substituted with deuterium, —F, —C1, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q21)(Q22), —Si(Q23)(Q24)(Q25), —Ge(Q23)(Q24)(Q25), —B(Q26)(Q27), —P(═O)(Q28)(Q29), —P(Q28)(Q29), or any combination thereof;
—N(Q31)(Q32), —Si(Q33)(Q34)(Q35), —Ge(Q33)(Q34)(Q35), —B(Q36)(Q37), —P(═O)(Q38)(Q39), or —P(Q38)(Q39); or
any combination thereof,
Q1 to Q9, Q11 to Q19, Q21 to Q29 and Q31 to Q39 are each independently:
hydrogen; deuterium; —F; —Cl; —Br; —I; a hydroxyl group; a cyano group; a nitro group; an amidino group; a hydrazine group; a hydrazone group; a carboxylic acid group or a salt thereof; a sulfonic acid group or a salt thereof; a phosphoric acid group or a salt thereof; a C1-C60 alkyl group unsubstituted or substituted with deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, or any combination thereof; a C2-C60 alkenyl group; a C2-C60 alkynyl group; a C1-C60 alkoxy group; a C3-C10 cycloalkyl group; a C1-C10 heterocycloalkyl group; a C3-C10 cycloalkenyl group; a C2-C10 heterocycloalkenyl group; a C6-C60 aryl group unsubstituted or substituted with deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, or any combination thereof; a C6-C60 aryloxy group; a C6-C60 arylthio group; a C1-C60 heteroaryl group; a monovalent non-aromatic condensed polycyclic group; or a monovalent non-aromatic condensed heteropolycyclic group.
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