Figure 2.
SEM images of a) BC and b,c) BCD; the inset of (b) is the element mapping of Cl. d) Digital photo and e) SEM image of 10‰BCD/PDA/PAM hydrogel. f) FT‐IR spectra of dopamine, acrylamide, BCD and 10‰BCD/PDA/PAM hydrogel.
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