fig2

Figure 2. Structural characterization of PtCu aerogels. (A,B) SEM, (C) TEM, (D) HRTEM, (E) HAADF-STEM and EDX mapping images and (F) XRD pattern.
Figure 2. Structural characterization of PtCu aerogels. (A,B) SEM, (C) TEM, (D) HRTEM, (E) HAADF-STEM and EDX mapping images and (F) XRD pattern.
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