Fig. 2 | Nature Communications

Fig. 2

From: Platinum-trimer decorated cobalt-palladium core-shell nanocatalyst with promising performance for oxygen reduction reaction

Fig. 2

X-ray absorption spectra of Pt-decorated Co-Pd and control samples. a X-ray absorption near-edge spectra (XANES) of Pt L3-edge of standard Pt foil, Pt/carbon nanotube (CNT), Pd-Pt core-shell/CNT (Pd@Pt/CNT), and Pt-decorated Co-Pd/CNT (Co@Pd-Pt/CNT) catalysts. The inset shows the enlarged post-edge region. b Fourier-transformed extended X-ray absorption fine structure (FT-EXAFS) of the four samples in a. c XANES spectra of Pd K-edge of Pd/CNT, Pd@Pt/CNT, Co-Pd core-shell/CNT (Co@Pd/CNT), and Co@Pd-Pt/CNT catalysts. The inset shows the enlarged region of peaks A and B. d FT-EXAFS of the four samples in c

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