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. 2021 Jul 5;604:113–121. doi: 10.1016/j.jcis.2021.06.170

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Fig. 2 — Characterization of the Au@Pt_3.15 NPs: (A) TEM image, (B) HRTEM image, (C) enlarged HRTEM image of the region indicated in Fig. 2B, (D) HAADF-STEM image and corresponding element maps of (E) Au and (F) Pt as well as high-resolution XPS spectra of (G) Pt and (H) Au.