Figure 2.
Representative SEM images of the (a) PEI-Ag0.5, (b) PEI-Ag2, (c) PEI-Ag6, and (d) PEI-Ag24; SEM images of (e) PEI-Pd0.5, (f) PEI-Pd2, (g) PEI-Pd6, and (h) PEI-Pd24.
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