Table 4: Electrochemical characteristics of the Ru(III)-complexes 1, 2, and 3 in presence of 1- and 2-methylimidazole under N2 then under O2 atmosphere.

Complex 𝐸 1 / 2 (mV)a Δ 𝐸 p (mV) 𝐼 p c 1 (μA) 𝐼 p c 2 (μA) 𝐼 p a / 𝐼 p c 𝐼 p c ( O 2 ) / 𝐼 p c ( N 2 ) b

Electrochemical characteristics of the Ru(III)-complexes

With 1-methylimidazole

1580 (622)70 (70)6.4 (10.0) — (1.2)0.751.75
2520 (565)75 (75)5.6 (11.6) — (2.0)0.822.42
3500 (507)65 (65)8.8 (14.8) — (2.0)0.861.90

With 2-methylimidazole

1580 (622)70 (70)6.6 (16.6) — (0.0)0.802.51
2520 (565)70 (70)6.4 (20.9) — (0.0)0.823.26
3500 (507)75 (75)9.6 (32.5) — (0.0)0.882.45

a 𝐸 1 / 2 ; values obtained under nitrogen.
b 𝐼 p c = ( 𝐼 p c 1 + 𝐼 p c 2 ) ; values given between brackets are obtained under oxygen.