Fig. 3. CO₂ photoelectroreduction performed with csiMOF-6 in 0.1 M [n-Bu₄N]PF₆/MeCN with [Re(bipy-tBu)(CO)₃Cl] electrocatalyst, demonstrated using (a) CV, and (b) EPR SEC with CO₂ saturated electrolyte (inset: under Ar in the absence of CO₂). Arrows indicate sweep direction or spectral changes.