Fig. 2 | Nature Communications

Fig. 2

From: Size-dependent activity and selectivity of carbon dioxide photocatalytic reduction over platinum nanoparticles

Fig. 2

Crystallinity, surface morphology and optical properties of xPHTSO. a XRD patterns and the inset image show the local magnification from 2θ at the 35–45° range. b UV–Vis DRS spectra and the corresponding samples’ photos (inset). c HR-TEM image of 7.0PHTSO, the scale bar is 2 nm; the inset image with the marked facets of Pt NPs shows the characteristic truncated-octahedron shape of this Pt particle; the inset image of the corresponding fast Fourier transform (FFT) pattern of the Pt particle. d Proportions of the corner, edge, Pt (111) and Pt (100) surface sites based on the standard truncated octahedron model of Pt NPs with different sizes

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