Journal of Nanomaterials / 2013 / Article / Fig 7

Research Article

Assembly of Oriented Ultrafine Polymer Fibers by Centrifugal Electrospinning

Figure 7

Optical microscope images of PMMA fibers electrospun at conditions of 4.5 kV, 420 rpm and 2.0 cm with PMMA/THF solution concentration of (a) 8.0 wt%, (b) 10.0 wt%, (c) 13.0 wt%, and (d) 15.0 wt%, respectively.
713275.fig.007a
(a)
713275.fig.007b
(b)
713275.fig.007c
(c)
713275.fig.007d
(d)

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