Fig. 3: Temperature-dependent EPR spectra from 5 to 40 °C.
From: Hydroxyl radicals dominate reoxidation of oxide-derived Cu in electrochemical CO2 reduction
EPR data were recorded in Ar-saturated 0.5 M KHCO3 solutions containing 100 mM DMPO without pre-reduction operations. Each spectrum was acquired after 8 h resting at the indicated temperature.
