Figure 2From: Selective growth of palladium and titanium dioxide nanostructures inside carbon nanotube membranesSynthesis scheme and SEM micrographs of CNTs. (a) Schematic representation of the CNT synthesis steps, (b) SEM micrograph of 30-min-grown CNTs inside an AAO template, and (c) SEM micrograph showing CNTs after partial dissolution of AAO by NaOH.Back to article page