Fig. 3. TEM images of (A) and (B) Cu–CeO2–Pt; (C) and (D) Cu0.66Co0.34–CeO2–Pt; (E) and (F) Cu0.50Co0.50–CeO2–Pt; (G) and (H) Cu0.34Co0.66–CeO2–Pt; (I) and (J) Co–CeO2–Pt; (K) and (L) CeO2–Pt.
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