Light-emitting device including organometallic compound, electronic apparatus and electronic device including the light-emitting device, and the organometallic compound

A light-emitting device comprising:

• a first electrode;
• a second electrode opposite to 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, Formula 2A, and Formula 2B,
• M is gold (Au), silver (Ag), or copper(Cu),
• ring CY1 is a C5-C60 carbocyclic group or a C1-C60 heterocyclic group,
• L1 to L2 are each independently a single bond, *—C(R4)(R5)—*′, *—C(R4)═*′, *═C(R4)—*′, *—C(R4)═C(R5)—*′, *—C(═O)—*′, *—C(═S)—*′, *—C≡C—*′, *—B(R4)—*′, *—N(R4)—*′, *—O—*′, *—P(R4)—*′, *—Si(R4)(R5)—*′, *—P(═O)(R4)—*′, *—S—*′, *—Se—*′, *—S(═O)—*′, *—S(═O)2—*′, *—P(R4)(R5)—*′, *—P(═O)(R4)—*′, or *—Ge(R4)(R5)—*′, and * and *′ each indicate a binding site to a neighboring atom,
• n1 to n3 are each independently an integer from 1 to 3,
• X1 is C or N,
• X11 is C(R11) or N, X12 is C(R12) or N, X13 is C(R13) or N, X21 is C(R21) or N, X22 is C(R22) or N, X23 is C(R23) or N, X24 is C(R24) or N, X31 is C(R31) to N, X32 is C(R32) to N, X33 is C(R33) to N, X34 is C(R34) to N,
• Y1 and Y2 are each independently O or S, and at least one of Y1 or Y2 is O,
• R1, R11 to R13, R21 to R24, R31 to R34, R4, and R5 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-C60 alkoxy 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, a biphenyl group unsubstituted or substituted with at least one R10a, a terphenyl group unsubstituted or substituted with at least one R10a, a tetraphenyl group unsubstituted or substituted with at least one R10a, a pentaphenyl group unsubstituted or substituted with at least one R10a, —C(Q1)(Q2)(Q3), —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
• R2 is a group represented by one of Formulae 2A or 2B,
• a1 R1 groups, each of which is identical or different,
• at least two of the a1 R1 groups 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,
• at least two selected from among R1, R11 to R13, R21 to R24, R31 to R34, R4, and R5 are optionally bonded 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,
• a1 and a2 are each independently an integer from 1 to 30,
• R10a is:
• deuterium, —F, —Cl, —Br, —I, 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, or a C1-C60 alkoxy 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, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), —P(═O)(Q11)(Q12), or any combination thereof;
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, or a C6-C60 arylthio 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 C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), —P(═O)(Q21)(Q22), or any 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), and
• 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;
• a C1-C60 alkyl group;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• or a C3-C60 carbocyclic group or a C1-C6 heterocyclic group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, or any combination thereof.