Figure 5.

Field emission scanning electron microscope images. (a) PVDF, (b) f-MWCNTs, (c) MNTs, (d) 1 wt.% MNTs-PVDF, (e) 2 wt.% MNTs-PVDF, and (f) high-resolution image of 2 wt.% f-MWCNTs-PVDF.

Eswaraiah et al. Nanoscale Research Letters 2011 6:137   doi:10.1186/1556-276X-6-137
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