Figure 9.
(a,e) SEM images of PAN nanofibers; (b,f) PAN@COF-SCU1 (0.1); (c,g) PAN@COF-SCU1 (0.2); (d,h) PAN@COF-SCU1 (0.3). Reprinted with permission from Ref. [94]. Copyright (2020) Elsevier.
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