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. 2016 Nov 28;9:17. doi: 10.1007/s40820-016-0120-6

Fig. 8.

Fig. 8

Evolution of tiny NPs, large round NPs, and coalesced NPs annealed at 750 °C for 180 s. AFM top-views of 1 × 1 µm2 in ac, 3 × 3 µm2 in dh, and 20 × 20 µm2 in il