Fig. 4: Thickness and electronic states of the Pt NSs.
Typical atomic force microscopy images and the corresponding height profiles of (a) PtOx-NS/Si and (b) Pt-NS/Si films. c Pt 4 f XPS profiles of Pt black, 3 nm-sized Pt NPs, and Pt NSs.
Fig. 4: Thickness and electronic states of the Pt NSs. | Nature Communications
