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. Author manuscript; available in PMC: 2014 Jun 12.
Published in final edited form as: J Am Chem Soc. 2013 Jun 3;135(23):10.1021/ja3104632. doi: 10.1021/ja3104632

Figure 3.

Figure 3

A, B. Comparison of Mn 2p and Mn 3s spectra of MnOx on Au-Si3N4 and glassy carbon supports to the spectra of MnO2, Mn2O3, Mn3O4, and MnO powder standards. C, D. Comparison of Mn 2p and Mn 3s spectra of MnOx on Au-Si3N4 support to the spectra of the same sample after exposure to ORR or OER relevant potentials.