Research Article

Preparation and Microwave Absorbing Properties of an Electroless Ni-Co Coating on Multiwall Carbon Nanotubes Using [Ag(NH3)2]+ as Activator

Figure 2

SEM micrographs of MWCNTs before and after coated (a) pristine MWCNTs; (b) acid-pretreated MWCNTs; (c) activated MWCNTs; (d) Ni-MWCNTs; (e) Ni8Co2-MWCNTs; (f) Ni5Co5-MWCNTs; (g) Ni4Co6-MWCNTs.
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