A Dinuclear Cobalt Cryptate as a Homogeneous Photocatalyst for Highly Selective and Efficient Visible-Light Driven CO2 Reduction to CO in CH3CN-H2O Solution/Best result and control experiments

From ChemWiki

Table 1

cat cat_abb cat conc [mM] solvent A solvent B solvent-ratio [SolvA/SolvB] pH Temperature [° C] λexc [nm] include
100776 0,000025 CH3CN H2O 4:1 25 450 No