Figure 1.
FE-SEM images of (A) pure polyacrylonitrile (PAN) nonwoven mats; (B) Ag/PAN nonwoven mats; (C) calcined pure PAN nonwoven mats; (D) calcined Ag/PAN nonwoven mats; (E,F) urchin-like Ag–Au/PAN nonwoven mats.
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