The present disclosure provides a compound of Formula I
wherein
M is a metal selected from the group consisting of Cu, Ag, and Au;
T is a five-membered or six-membered heterocyclic ring, which is optionally substituted, wherein T includes a carbene carbon coordinated to M, or T is aromatic and includes a sp
2
nitrogen coordinated to M;
L is a group comprising a coordinating member selected from the group consisting of C, N, O, S, and P, wherein the coordinating member coordinates L to M; and
Q
1
and Q
2
are each independently a linker, wherein the linker connects T to the coordinating member of L to form a macrocyclic ligand coordinated to M.