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. Author manuscript; available in PMC: 2014 Feb 20.
Published in final edited form as: J Am Chem Soc. 2013 Feb 8;135(7):2825–2834. doi: 10.1021/ja312523u

Figure 2.

Figure 2

UV-vis spectral changes observed in the two-electron reduction of O2 (2.2 mM) by Fc (10 mM) with HClO4 (40 mM) catalyzed by 1 (0.040 mM) in acetone at 298 K. The inset shows the time profile of the absorbance at 620 nm due to Fc+.