Organometallic compound and organic light-emitting device including the same

An organometallic compound represented by Formula 1:

• wherein, in Formula 1,
• M is selected from a first-row transition metal, a second-row transition metal, and a third-row transition metal;
• A11 is selected from a C3-C14 heterocyclic group condensed with a 6-membered ring group and a C3-C14 heterocyclic group condensed with a 5-membered ring group,
• the C3-C14 heterocyclic group is selected from a pyrrole group, a pyrazole group, an imidazole group, a thiazole group, an isothiazole group, an oxazole group, an iso-oxazole group, a pyridine group, a pyrimidine group, a pyrazine group, a triazine group, a thiazine group, an oxazine group, a quinoline group, an isoquinoline group, a cinnoline group, a quinazoline group, a quinoxaline group, 1,5-naphthyridine group, 1,6-naphthyridine group, 1,7-naphthyridine group, 1,8-naphthyridine group, a phthalazine group, 2,6-naphthyridine group, and 2,7-naphthyridine group, the 6-membered ring group is selected from a benzene group, a cyclohexane group, a cyclohexene group, a pyridine group, a piperidine group, a pyrazine group, a hexahydropyrimidine group, a tetrahydropyrazine group, and a piperazine group, and the 5-membered ring group is selected from a cyclopentene group, a cyclopentadiene group, a dihydropyrrole group, a pyrrole group, an imidazole group, and a pyrrolidine group;
• X11 is N, X12 is CR12, X13 is CR13, X14 is CR14, X15 is CR15, X16 is CR16, and X17 is CR17;
• X11 is CR11, X12 is N, X13 is CR13, X14 is CR14, X15 is CR15, X16 is CR16, and X17 is CR17;
• X11 is CR11, X12 is CR12, X13 is N, X14 is CR14, X15 is CR15, X16 is CR16, and X17 is CR17;
• X11 is CR11, X12 is CR12, X13 is CR13, X14 is N, X15 is CR15, X16 is CR16, and X17 is CR17;
• X11 is CR11, X12 is CR12, X13 is CR13, X14 is CR14, X15 is N, X16 is CR16, and X17 is CR17;
• X11 is CR11, X12 is CR12, X13 is CR13, X14 is CR14, X15 is CR15, X16 is N, and X17 is CR17;
• X11 is CR11, X12 is CR12, X13 is CR13, X14 is CR14, X15 is CR15, X16 is CR16, and X17 is N;
• or
• X11 is CR11, X12 is CR12, X13 is CR13, X14 is CR14, X15 is CR15, X16 is CR16, and X17 is CR17;
• R11 to R18 are each independently selected from a hydrogen, deuterium, —F, —Cl, —Br, —I, 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 C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C1-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, —C(═O)(Q1), —N(Q1)(Q2), and —Si(Q1)(Q2)(Q3), wherein at least two adjacent groups of R11 to R17 are optionally linked to each other to form a saturated or unsaturated ring;
• Q1 to Q3 are each independently selected from a hydrogen, deuterium, a substituted or unsubstituted C1-C10 alkyl group, and a substituted or unsubstituted C6-C60 aryl group;
• b18 is selected from 1, 2, 3, 4, 5, 6, 7, and 8;
• n is 1, 2, 3, and 4;
• L11 is selected from a monodentate ligand or a bidentate ligand selected from the group consisting of an oxalate, an acetylacetonate, a picolinic acid, a 2-(2-hydroxyphenyl)-pyridine, 2-phenylpyridine, a 1,2-bis(diphenylphosphino)ethane, a 1,1-bis(diphenylphosphino)methane, a glycinate, an ethylenediamine, a 2,2′-bipyridine, a 1,10-phenanthroline and ligands represented by Formulae 2-1 to 2-3;
• wherein, in Formulae 2-1 to 2-3,
• A21 is selected from a C5-C20 carbocyclic group and a C1-C20 heterocyclic group;
• X21 and X22 are each independently selected from C and N;
• Y21 is selected from a single bond, a double bond, a substituted or unsubstituted C1-C5 alkylene group, a substituted or unsubstituted C2-C5 alkenylene group, and a substituted or unsubstituted C6-C10 arylene group;
• Z21 and Z22 are each independently selected from N, O, N(R25), P(R25)(R26), and As(R25)(R26);
• R21 to R26 are each independently selected from a hydrogen, deuterium, —F, —Cl, —Br, —I, 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 C1-C20 alkyl group, and a C1-C20 alkoxy group,
• a C1-C20 alkyl group and a C1-C20 alkoxy group, each substituted with at least one of deuterium, —F, —Cl, —Br, —I, 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 phenyl group, a naphthyl group, a pyridinyl group, and a pyrimidinyl group,
• a phenyl group, a naphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, an isobenzothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, and an imidazopyridinyl group, and
• a phenyl group, a naphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, an isobenzothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, and an imidazopyridinyl group, each substituted with at least one of deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, 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 C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a naphthyl group, a fluorenyl group, a phenanthrenyl group, an anthracenyl group, a fluoranthenyl group, a triphenylenyl group, a pyrenyl group, a chrysenyl group, a pyrrolyl group, a thiophenyl group, a furanyl group, an imidazolyl group, a pyrazolyl group, a thiazolyl group, an isothiazolyl group, an oxazolyl group, an isoxazolyl group, a pyridinyl group, a pyrazinyl group, a pyrimidinyl group, a pyridazinyl group, an isoindolyl group, an indolyl group, an indazolyl group, a purinyl group, a quinolinyl group, an isoquinolinyl group, a benzoquinolinyl group, a quinoxalinyl group, a quinazolinyl group, a cinnolinyl group, a carbazolyl group, a phenanthrolinyl group, a benzimidazolyl group, a benzofuranyl group, a benzothiophenyl group, an isobenzothiazolyl group, a benzoxazolyl group, an isobenzoxazolyl group, a triazolyl group, a tetrazolyl group, an oxadiazolyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, a benzocarbazolyl group, a dibenzocarbazolyl group, and an imidazopyridinyl group;
• b21 is selected from 1, 2, and 3;
• and
• * and *′ are each independently a binding site with an adjacent atom;
• and
• m is selected from 0, 1, 2, 3, 4, 5, and 6.