Figure 2.
SEM images of fluorescent SF-RB nanofibers with different SF and RB concentration. The concentration of SF was (a) 6.0 wt%, (b) 8.0 wt%, (c–e) 10.0 wt%. The concentration of RB was (a–c) 1.0 wt%, (d) 0.5 wt%, and (e) 2.0 wt%, respectively.
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