Figure 12.

Surface morphology of PDMS membranes loaded with PP-MWCNTs (a) 0 wt.% (b) 1 wt.% (c) 3 wt.%, and (d) 5 wt.%; scale bar 5 μm.

Majeed et al. Nanoscale Research Letters 2012 7:296   doi:10.1186/1556-276X-7-296
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