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

A light-emitting device, comprising:

• a first electrode;
• a second electrode facing the first electrode;
• an interlayer between the first electrode and the second electrode and comprising an emission layer;
• and
• an organometallic compound represented by Formula 1:
• wherein in Formula 1,
• M1 and M2 are each independently platinum (Pt), palladium (Pd), gold (Au), nickel (Ni), silver (Ag), or copper (Cu),
• A1 to A4 and B1 to B4 are each independently a C5-C60 carbocyclic group or a C1-C60 heterocyclic group,
• Y10, Y20, Y30, Y40, Y50, Y60, Y70, and Y80 are each independently C or N,
• two bonds selected from a bond between Y10 and M1, a bond between Y20 and M1, a bond between Y50 and M1, and a bond between Y60 and M1 are each a coordinate bond, and the remainder thereof are each a covalent bond,
• two bonds selected from a bond between Y30 and M2, a bond between Y40 and M2, a bond between Y70 and M2, and a bond between Y80 and M2 are each a coordinate bond, and the remainder thereof are each a covalent bond,
• T1 and T2 are each independently a single bond, *—O—*′, *—S—*′, *—C(R1)(R2)—*′, *—C(R1)═′, *═C(R1)—*′, *—C(R1)═C(R2)—*′, *—C(═O)—*′, *—C(═S)—*′, *—C≡C—*′, *—B(R1)—*′, *—N(R1)—*′, *—P(R1)—*′, *—Si(R1)(R2)—*′, *—P(R1)(R2)—*′, or *—Ge(R1)(R2)—*′,
• T3 and T4 are each independently a single bond, *—O—*′, *—S—*′, *—C(R3)(R4)—*′, *—C(R3)═*′, *═C(R3)—*′, *—C(R3)═C(R4)—*′, *—C(═O)—*′, *—C(═S)—*′, *—C≡C—*′, *—B(R3)—*′, *—N(R3)—*′, *—P(R3)—*′, *—Si(R3)(R4)—*′, *—P(R3)(R4)—*′ or *—Ge(R3)(R4)—*′,
• n1 to n4 are each independently 1, 2, or 3,
• X1 is N, P, C(R5), or Si(R5),
• X2 is N, P, C(R6), or Si(R6),
• L10 is a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a,
• a10 is 1, 2, 3, 4, or 5,
• * and *′ each indicate a binding site to a neighboring atom,
• R1 to R6, R10, R20, R30, R40, R50, R60, R70, and R80 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkenyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkynyl group unsubstituted or substituted with at least one R10a, a C1-C60alkoxy group unsubstituted or substituted with at least one R10a, a C1-C60 alkylthio group unsubstituted or substituted with at least one R10a, a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a, a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a, a C6-C60 aryloxy group unsubstituted or substituted with at least one R10a, a C6-C60 arylthio group unsubstituted or substituted with at least one R10a, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
• b10, b20, b30, b40, b50, b60, b70, and b80 are each independently an integer from 0 to 20,
• each of:
• R1 and R2;
• R3 and R4;
• two or more of R10 in the number of b10;
• two or more of R20 in the number of b20;
• two or more of R30 in the number of b30, two or more of R40 in the number of b40;
• two or more of R50 in the number of b50;
• two or more of R60 in the number of b60;
• two or more of R70 in the number of b70;
• and two or more of R80 in the number of b80 are optionally bonded to each other to form a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a,
• two or more of R1, R2, R10, R20, R50, and R60 are optionally bonded to each other to form a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a,
• two or more of R3, R4, R30, R40, R70, and R80 are optionally bonded to each other to form a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a,
• R10a is:
• deuterium, —F, —Cl, —Br, a hydroxyl group, a cyano group, or a nitro group;
• a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, or a C1-C60 alkylthio group, each unsubstituted or substituted with deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C7-C60 arylalkyl group, a C2-C60 heteroarylalkyl group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), —P(═O)(Q11)(Q12), or a combination thereof;
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C7-C60 arylalkyl group, or a C2-C60 heteroarylalkyl group, each unsubstituted or substituted with deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C1-C60 alkylthio group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C7-C60 arylalkyl group, a C2-C60 heteroarylalkyl group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), —P(═O)(Q21)(Q22), or a combination thereof;
• or
• —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), or —P(═O)(Q31)(Q32), wherein
• Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 are each independently:
• hydrogen;
• deuterium;
• —F;
• —Cl;
• —Br;
• —I;
• a hydroxyl group;
• a cyano group;
• a nitro group;
• or a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C7-C60 arylalkyl group, or a C2-C60 heteroarylalkyl group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group, a biphenyl group, or a combination thereof.