Figure 2.

SEM and TEM images. (a) SEM and (b) TEM images of SU-CNTs, SEM images of (c) acid-treated SU-CNTs (i.e., metal core removed) and (d) Ni-Al bimetallic nanoparticles, and (e) photograph and (f) SEM image of ABS/SU-CNT composite thin film prepared by hot pressing.

Kim et al. Nanoscale Research Letters 2012 7:202   doi:10.1186/1556-276X-7-202
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