Figure 5.
Redox reactions of the active species: a) TEMPO b) methyl viologen. Cyclic voltammetry of the phases separately of the systems based on IL + Na2SO4 + 20 × 10−3 m TEMPO‐20 × 10−3 m MV. c) [P4444]Br. d) [N4444]Br. e) [P4444][CF3CO2]. f) [N4444][CF3CO2]. g) [C4mim][CF3SO3]. h) [P44414]Cl. Scan rate 10 mV s−1. MV (in green) TEMPO (in blue).