Fig. 1: Structures and characterizations of Se‒Pt NPs with controlled shell thickness. | Nature Communications

Fig. 1: Structures and characterizations of Se‒Pt NPs with controlled shell thickness.

From: Selective and durable H2O2 electrosynthesis catalyst in acid by selenization induced straining and phasing

Fig. 1

a Schematic illustration of the synthetic process of Se2‒Pt NPs and corresponding structural evolution on the surface. b Surface structures of Se1‒Pt NPs and Se3‒Pt NPs. c XRD patterns, (d) SEM-EDX spectra, (e) LEIS spectra for the surface species, (f) Pt K-edge EXAFS in R space, and (g) wavelet transforms of Pt NPs and Se‒Pt NPs with different shell thicknesses.

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