Patent ID: 8592617

Claim:
A complex according to Formula I [M(A) x (B) y ] m (X Z ) n Formula I wherein M is ruthenium or osmium and has an oxidation state of 0, 1, 2, 3 or 4; x, and n are independently an integer selected from 1 to 6; y is an integer selected from 1 to 5; m is an integer from −5 to +4 and z is an integer from −2 to +1; A is a mono- or bidentate aromatic ligand containing 1 or 2 nitrogen atoms; B is independently selected to be one or more ligands other than a heterocyclic nitrogen-containing ligand; X comprises a combination of PF 6 − and CF 3 SO 3 − counterions; wherein A is optionally substituted by 1 to 8 groups independently selected from the group consisting of substituted or unsubstituted alkyl, alkenyl, or aryl groups, —F, —Cl, —Br, —I, —NO 2 , —CN, —CO 2 H, —SO 3 H, —NHNH 2 , —SH, alkoxycarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, —OH, alkoxy, —NH 2 , alkylamino, dialkylamino, alkanoylamino, arylcarboxamido, hydrazino, alkylhydrazino, hydroxylamino, alkoxyamino, and alkylthio; wherein the number of coordination atoms is 6.