| abstract |
Provided are an organometallic compound, and an organic light-emitting device and a diagnostic composition, each including the organometallic compound represented by Formula 1 below: n M(L 1 ) n1 (L 2 ) n2 Formula 1n wherein, in Formula 1, M is a transition metal, L 1 is a ligand represented by Formula 1-1, n1 is 1, 2, or 3, and when n1 is 2 or more, two or more L 1 (s) are identical to or different from each other, L 2 is a ligand represented by Formula 1-2, n2 is 0, 1, 2, 3, or 4, and when n2 is 2 or more, two or more L 2 (s) are identical to or different from each other. |