Fig. 4: Electronic structure characterizations of Ir1/Cu0.3Co2.7O4 with different Ir-Ir distances. | Nature Communications

Fig. 4: Electronic structure characterizations of Ir1/Cu0.3Co2.7O4 with different Ir-Ir distances.

From: Distance effect of single atoms on stability of cobalt oxide catalysts for acidic oxygen evolution

Fig. 4

Normalized XANES (a) and EXAFS (b) spectra at the Co K-edge of Cu0.3Co2.7O4 and Ir1/Cu0.3Co2.7O4 with different Ir-Ir distances. Co foil was used as a reference. Normalized XANES (c) and EXAFS spectra (d) at the Ir L3-edge of Ir1/Cu0.3Co2.7O4 with different Ir-Ir distances. Ir foil and IrO2 were used as references.

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