Fig. 2 | Nature Communications

Fig. 2

From: Boosting hot electron flux and catalytic activity at metal–oxide interfaces of PtCo bimetallic nanoparticles

Fig. 2

Structural and chemical characterization of PtCo bimetallic NPs. TEM and high-resolution TEM (HRTEM) images of as-synthesized a Pt3Co1, b Pt1Co1, and c Pt1Co3 bimetallic NPs. Scale bars are 30 nm (left) and 1 nm (right) (a–c). d Comparison of the composition values of the Pt x Co y bimetallic NPs obtained from XPS and ICP-MS, which generally agree well with the targeted molar ratio of the Co and Pt precursors. e XRD patterns of Pt1Co0 (blue), Pt3Co1 (red), Pt1Co1 (orange), Pt1Co3 (yellow), and Pt0Co1 (green) NPs

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