Table 3.

Electrochemical redox potentials of the compounds.^a

Compounds	E(OX)/V	E(RED)/V
NI-PTZ-F b	+0.29	−1.78
NI-PTZ-Ph b	+0.35	−1.69
NI-PTZ-CH 3 b	+0.33	−1.75
NI-PTZ-OCH 3 b	+0.33	−1.74
NI-PTZ-C 5 b	+0.34	−1.72
NI-PTZ-F-O c	+1.38	−1.53
NI-PTZ-Ph-O c	+1.38	−1.56
NI-PTZ-C 5 -O c	+1.37	−1.56

^aCyclic voltammetry in N₂-saturated solvents containing 0.10 M Bu₄NPF₆, a Pt electrode as the counter electrode, glassy carbon electrode as the working electrode, ferrocene (Fc/Fc⁺) as the internal reference (set as 0 V in the cyclic voltammograms), and Ag/AgNO₃ couple as the reference electrode; ^bmeasured in DCM; ^cmeasured in ACN.