Organometallic compound, organic light-emitting device including the same and electronic apparatus including the organic light-emitting device

1. An organometallic compound represented by Formula 1:

M(L 1 ) n1 (L 2 ) n2   <Formula 1>

wherein, in Formula 1,

M is a transition metal,

L 1 is a ligand represented by Formula 2,

L 2 is a ligand represented by Formula 3,

n 1 and n 2 are each independently 1 or 2, wherein when n 1 is 2, two L(s) are identical to or different from each other, and when n 2 is 2, two L 2 (s ) are identical to or different from each other,

wherein, in Formulae 2 and 3,

Y 21 is C or N,

ring CY 2 is a C 5 -C 30 carbocyclic group or a C 1 -C 30 heterocyclic group,

X 11 is Si or Ge,

X 1 is O, S, Se, N(Z 19 ), C(Z 19 )(Z 20 ), or Si(Z 19 )(Z 20 ),

A 21 to A 24 are each independently C or N,

L 3 is a single bond, a C 5 -C 30 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 30 heterocyclic group unsubstituted or substituted with at least one R 10a ,

R 2 , R 11 to R 16 , Z 1 to Z 3 , Z 19 , and Z 20 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF 5 , 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 C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 1 -C 60 alkylthio group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, -N(Q 1 )(Q 2 ), —Si(Q 3 )(Q 4 )(Q 5 ), —Ge(Q 3 )(Q 4 )(Q 5 ), —B(Q 6 )(Q 7 ), —P(═O)(Q 8 )(Q 9 ), or —P(Q 8 )(Q 9 ),

a 2 is an integer from 0 to 20, and when a 2 is 2 or more, two or more R 2 (s) are identical to or different from each other,

b 1 is an integer from 0 to 6, and when b 1 is 2 or more, two or more Z 1 (s) are identical to or different from each other,

b 2 is an integer from 0 to 4, and when b 2 is 2 or more, two or more Z 2 (s) are identical to or different from each other,

R 11 and R 12 are optionally linked to form a C 5 -C 30 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 30 heterocyclic group unsubstituted or substituted with at least one R 10a ,

two or more of a plurality of R 2 (s) are optionally linked to form a C 5 -C 30 carbocyclic group unsubstituted or substituted with at least one R 10a or a C 1 -C 30 heterocyclic group unsubstituted or substituted with at least one R 10a ,

two or more of a plurality of Z 1 (s) are optionally linked to form a C 5 -C 30 carbocyclic group unsubstituted or substituted with at least one R 10a or a C 1 -C 30 heterocyclic group unsubstituted or substituted with at least one R 10a ,

two or more of a plurality of Z 2 (s) are optionally linked to form a C 5 -C 30 carbocyclic group unsubstituted or substituted with at least one R 10a or a C 1 -C 30 heterocyclic group unsubstituted or substituted with at least one R 10a ,

R 10a is the same as defined in connection with Z 1 ,

* and *′ each indicate a binding site to M in Formula 1, and

a substituent of the substituted C 1 -C 60 alkyl group, the substituted C 2 -C 60 alkenyl group, the substituted C 2 -C 60 alkynyl group, the substituted C 1 -C 60 alkoxy group, the substituted C 1 -C 60 alkylthio group, the substituted C 3 -C 10 cycloalkyl group, the substituted C 1 -C 10 heterocycloalkyl group, the substituted C 3 -C 10 cycloalkenyl group, the substituted C 1 -C 10 heterocycloalkenyl group, the substituted C 6 -C 60 aryl group, the substituted C 6 -C 60 aryloxy group, the substituted C 6 -C 60 arylthio group, the substituted C 1 -C 60 heteroaryl group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is:

deuterium, —F, —Cl, —Br, —I, —CD 3 , —CD 2 H, —CDH 2 , —CF 3 , —CF 2 H, —CFH 2 , 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 C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, or a C 1 -C 60 alkylthio group;

a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, or a C 1 -C 60 alkylthio group, each substituted with deuterium, —F, -C 1 , —Br, —I, —CD 3 , —CD 2 H, —CDH 2 , —CF 3 , -CF 2 H, —CFH 2 , 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 C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, -N(Q 11 )(Q 12 ), —Si(Q 13 )(Q 14 )(Q 15 ), —Ge(Q 13 )(Q 14 )(Q 15 ), —B(Q 16 )(Q 17 ), —P(═O)(Q 18 )(Q 19 ), —P(Q 18 )(Q 19 ), or any combination thereof;

a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, each unsubstituted or substituted with deuterium, —F, -C 1 , -Br, —I, —CD 3 , —CD 2 H, —CDH 2 , —CF 3 , —CF 2 H, —CFH 2 , 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 C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 1 -C 60 alkylthio group, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q 21 )(Q 22 ), —Si(Q 23 )(Q 24 )(Q 25 ), —Ge(Q 23 )(Q 24 )(Q 25 ), -B(Q 26 )(Q 27 ), —P(═O)(Q 28 )(Q 29 ), —P(Q 28 )(Q 29 ), or any combination thereof;

—N(Q 31 )(Q 32 ), —Si(Q 33 )(Q 34 + )(Q 35 ), —Ge(Q 33 )(Q 34 )(Q 35 ), —B(Q 36 )(Q 37 ), —P(═O)(Q 38 )(Q 39 ), or —P(Q 38 )(Q 39 ); or

any combination thereof,

wherein Q 1 to Q 9 , Q 11 to Q 19 , Q 21 to Q 29 , and Q 31 to Q 39 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 C 1 -C 60 alkyl group, unsubstituted or substituted with deuterium, —F, a C 1 -C 60 alkyl group, a C 6 -C 60 aryl group, or any combination thereof; a C 2 -C 60 alkenyl group; a C 2 -C 60 alkynyl group; a C 1 -C 60 alkoxy group; a C 1 -C 60 alkylthio group; a C 3 -C 10 cycloalkyl group; a C 1 -C 10 heterocycloalkyl group; a C 3 -C 10 cycloalkenyl group; a C 1 -C 10 heterocycloalkenyl group; a C 6 -C 60 aryl group, unsubstituted or substituted with deuterium, —F, a C 1 -C 60 alkyl group, a C 6 -C 60 aryl group, or any combination thereof; a C 6 -C 60 aryloxy group; a C 6 -C 60 arylthio group; a C 1 -C 60 heteroaryl group; a monovalent non-aromatic condensed polycyclic group; or a monovalent non-aromatic condensed heteropolycyclic group, and

wherein, at least one of i) and ii) is true:

i) a group represented by

in Formula 3 is a group represented by one of Formulae CY3-1A to CY3-1D, CY3-2A to CY3-2D, CY3-3A to CY3-3D, CY3-4A to CY3-4D, CY3-5A to CY3-5D, and CY3-6A to CY3-6D:

wherein, in Formulae CY3-1A to CY3-1D, CY3-2A to CY3-2D, CY3-3A to CY3-3D, CY3-4A to CY3-4D, CY3-5A to CY3-5D, and CY3-6A to CY3-6D,

X 1 and Z 1 are the same as described above,

ring CY 30 and ring CY 31 are each independently a C 5 -C 30 carbocyclic group or a C 1 -C 30 heterocyclic group,

R 30a and R 31a are each the same as described in connection with R 10a ,

b12 may be an integer from 0 to 2,

b14 may be an integer from 0 to 4,

b30 and b31 may each independently be an integer from 0 to 20, when b30 is 2 or more, two or more R 30a (s) may be identical to or different from each other, and when b31 is 2 or more, two or more R 31a (s) may be identical to or different from each other,

* indicates a binding site to M in Formula 1, and

*″ indicates a binding site to a neighboring atom in Formula 3, and

ii) a group represented by

in Formula 3 is a group represented by one of Formulae CY4(1) to CY4(4):

wherein, in Formulae CY4(1) to CY4(4),

A 21 to A 24 , L 3 , Z 2 , Z 3 and R 10a are the same as described above,

b22 is an integer from 0 to 2,

ring CY 10 and ring CY 11 are each independently a C 5 -C 30 carbocyclic group or a C 1 -C 30 heterocyclic group,

R 11a is the same as described in connection with R 10a ,

b3 and b4 are each independently an integer from 0 to 20, when b3 is 2 or more, two or more R 10a (s) are identical to or different from each other, and when b4 is 2 or more, two or more R 1la (s) are identical to or different from each other,

*′ indicates a binding site to M in Formula 1, and

*″ indicates a binding site to a neighboring atom in Formula 3.

2. The organometallic compound of claim 1 , wherein

ring CY 2 is a benzene group, a naphthalene group, an anthracene group, a phenanthrene group, a 1,2,3,4-tetrahydronaphthalene group, a carbazole group, a fluorene group, a dibenzosilole group, a dibenzothiophene group, or a dibenzofuran group.

3. The organometallic compound of claim 1 , wherein

L 3 in Formula 1 is:

a single bond; or

a benzene group, a naphthalene group, a dibenzofuran group, or a dibenzothiophene group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C 1 -C 20 alkyl group, a deuterated C 1 -C 20 alkyl group, a fluorinated C 1 -C 20 alkyl group, a C 3 -C 10 cycloalkyl group, a deuterated C 3 -C 10 cycloalkyl group, a fluorinated C 3 -C 10 cycloalkyl group, a (C 1 -C 20 alkyl)C 3 -C 10 cycloalkyl group, a phenyl group, a deuterated phenyl group, a fluorinated phenyl group, a (C 1 -C 20 alkyl)phenyl group, a naphthyl group, a pyridinyl group, a furanyl group, a thiophenyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, a dibenzothiophenyl group, or any combination thereof.

4. The organometallic compound of claim 1 , wherein

R 2 , R 11 to R 13 , Z 1 to Z 3 , Z 19 and Z 20 in Formulae 2 and 3 are each independently:

hydrogen, deuterium, —F, or a cyano group; or

a C 1 -C 20 alkyl group, a C 3 -C 10 cycloalkyl group, a phenyl group, a naphthyl group, a pyridinyl group, a furanyl group, a thiophenyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, or a dibenzothiophenyl group, each unsubstituted or substituted with deuterium, -F, a cyano group, a C 1 -C 20 alkyl group, a deuterated C 1 -C 20 alkyl group, a fluorinated C 1 -C 20 alkyl group, a C 3 -C 10 cycloalkyl group, a deuterated C 3 -C 10 cycloalkyl group, a fluorinated C 3 -C 10 cycloalkyl group, a (C 1 -C 20 alkyl)C 3 -C 10 cycloalkyl group, a phenyl group, a deuterated phenyl group, a fluorinated phenyl group, a (C 1 -C 20 alkyl)phenyl group, a naphthyl group, a pyridinyl group, a furanyl group, a thiophenyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, a dibenzothiophenyl group, —Si(Q 33 )(Q 34 )(Q 35 ), —Ge(Q 33 )(Q 34 )(Q 35 ), or any combination thereof, and

R 14 to R 16 in Formula 2 are each independently a C 1 -C 20 alkyl group, a C 3 -C 10 cycloalkyl group, a phenyl group, a naphthyl group, a pyridinyl group, a furanyl group, a thiophenyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, or a dibenzothiophenyl group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C 1 -C 20 alkyl group, a deuterated C 1 -C 20 alkyl group, a fluorinated C 1 -C 20 alkyl group, a C 3 -C 10 cycloalkyl group, a deuterated C 3 -C 10 cycloalkyl group, a fluorinated C 3 -C 10 cycloalkyl group, a (C 1 -C 20 alkyl)C 3 -C 10 cycloalkyl group, a phenyl group, a deuterated phenyl group, a fluorinated phenyl group, a (C 1 -C 20 alkyl)phenyl group, a naphthyl group, a pyridinyl group, a furanyl group, a thiophenyl group, a benzofuranyl group, a benzothiophenyl group, a dibenzofuranyl group, a dibenzothiophenyl group, or any combination thereof.

5. The organometallic compound of claim 1 , wherein

R 11 is not hydrogen.

6. The organometallic compound of claim 1 , wherein satisfying at least one of <Condition A> and <Condition B>:

<Condition A>

L 3 is a C 5 -C 30 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 30 heterocyclic group unsubstituted or substituted with at least one R 10a ,

<Condition B>

Z 3 is a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, or a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group.

7. The organometallic compound of claim 1 , wherein

Z 1 is not hydrogen, and b 1 is an integer from 1 to 6.

8. The organometallic compound of claim 1 , wherein

a group represented by

in Formula 2 is a group represented by one of Formulae CY2-1 to CY2-33:

wherein, in Formulae CY2-1 to CY2-33,

Y 21 and R 2 are the same as described in claim 1 ,

X 22 is C(R 22 )(R 23 ), N(R 22 ), O, S, or Si(R 22 )(R 23 ),

R 22 to R 29 are the same as described in connection with R 2 in claim 1 ,

a28 is an integer from 0 to 8,

a26 is an integer from 0 to 6,

a24 is an integer from 0 to 4,

a23 is an integer from 0 to 3,

a22 is an integer from 0 to 2,

*″ indicates a binding site to a neighboring atom in Formula 2, and

* indicates a binding site to M in Formula 1.

9. The organometallic compound of claim 1 , wherein

the group represented by

in Formula 3 is a group represented by one of Formulae CY3-1A to CY3-1D, CY3-2A to CY3-2D, CY3-3A to CY3-3D, CY3-4A to CY3-4D, CY3-5A to CY3-5D, and CY3-6A to CY3-6D.

10. The organometallic compound of claim 1 , wherein

a group represented by

in Formula 3 is a group represented by one of Formulae CY3(24) to CY3(35), CY3(59) to CY3(70) and CY3(94) to CY3(132):

wherein, in Formulae CY3(24) to CY3(35), CY3(59) to CY3(70) and CY3(94) to CY3(132),

X 1 is the same as described in claim 1 ,

Z 11 to Z 18 are the same as described in connection with Z 1 in claim 1 , and each of Z 11 to Z 18 is not hydrogen,

* indicates a binding site to M in Formula 1, and

*″ indicates a binding site to a neighboring atom in Formula 3.

11. The organometallic compound of claim 1 , wherein

the group represented by

in Formula 3 is a group represented by one of Formulae CY4(1) to CY4(4).

12. The organometallic compound of claim 1 , wherein

the group represented by

in Formula 3 is a group represented by one of Formulae CY4(1)-1 to CY4(1)-4, CY4(2)-1 to CY4(2)-4, CY4(3)-1 to CY4(3)-4 and CY4(4)-1:

wherein, in Formulae CY4(1)-1 to CY4(1)-4, CY4(2)-1 to CY4(2)-4, CY4(3)-1 to CY4(3)-4 and CY4(4)-1,

A 21 to A 24 , L 3 , Z 2 , Z 3 and R 10a are the same as described in claim 1 ,

b22 is an integer from 0 to 2,

R 11a is the same as described in connection with R 10a ,

b34 and b44 may each independently be an integer from 0 to 4, when b34 is 2 or more, two or more R 10a (s) may be identical to or different from each other, and when b44 is 2 or more, two or more R 1la (s) may be identical to or different from each other,

b36 may be an integer from 0 to 6, when b36 is 2 or more, two or more R 10a (s) may be identical to or different from each other,

*′ indicates a binding site to M in Formula 1, and

*″ indicates a binding site to a neighboring atom in Formula 3.

13. An organic light-emitting device comprising:

a first electrode;

a second electrode; and

an organic layer located between the first electrode and the second electrode and comprising an emission layer,

wherein the organic layer comprises at least one of the organometallic compound of claim 1 .

14. The organic light-emitting device of claim 13 , wherein

the first electrode is an anode,

the second electrode is a cathode,

the organic layer comprises a hole transport region between the first electrode and the emission layer and an electron transport region between the emission layer and the second electrode,

the hole transport region comprises a hole injection layer, a hole transport layer, an electron blocking layer, a buffer layer, or any combination thereof, and

the electron transport region comprises a hole blocking layer, an electron transport layer, an electron injection layer, or any combination thereof.

15. The organic light-emitting device of claim 13 , wherein

the organometallic compound is included in the emission layer.

16. The organic light-emitting device of claim 15 , wherein

the emission layer emits green light.

17. The organic light-emitting device of claim 15 , wherein

the emission layer further comprises a host and the amount of the host is greater than the amount of the organometallic compound.

18. An electronic apparatus comprising the organic light-emitting device of claim 13 .

19. The organometallic compound of claim 1 , wherein the organometallic compound is one of the following compounds: