Figure 4

PCA of Au, Pt, and Pd NPs. The ratios of information for DOS patterns of Au, Pt, and Pd NPs DOSs in PCA analysis. Here, the ratio of Pd NP is higher than those of Au and Pt NPs.
PCA of Au, Pt, and Pd NPs. The ratios of information for DOS patterns of Au, Pt, and Pd NPs DOSs in PCA analysis. Here, the ratio of Pd NP is higher than those of Au and Pt NPs.