Here, we present the synthesis of the mononuclear tpphz complex [(prbim)2Ru(tpphz)] 2+ (prbimRu) and its heterodinuclear counterpart [(prbim)2Ru(tpphz)PtI2] 2+ (prbimRuPt), for which the structures are depicted in Figure . In line with previous findings, the BArF -anion (tetrakis[3,5-bis(trifluoromethyl)phenyl]borate) is employed for improvement of solubility of the bimetallic photocatalysts in organic solvent. This anion is weakly coordinating which is why -with the exception of their absorption in the UV region -no major effects on the photocatalytic or photophysical behaviour are expected. The mononuclear reference complexes using tbbpy and fbpy, i.e., tbbpyRu and fbpyRu, have been well-characterized previously. To this, we now add a structural characterization of the chloride salt of fbpyRu by single crystal X-Ray diffractometry. The crystallographic data for this complex can be found in the Supporting Information and in the CCDC database under the identifier 2253671.