Figure 2.

Optical microscopy images (1st row), FESEM micrographs of surfaces of HDPE nanocomposite specimens for wear testing: reinforced by ox-CNFs: a, e, i; silanized CNFs with 1.2-nm coating thickness: b, f, j; silanized CNFs with 2.8-nm coating thickness: c, g, k; silanized CNFs with 46-nm coating thickness: d, h, l.

Liu et al. Nanoscale Res Lett 2011 6:7   doi:10.1007/s11671-010-9748-1