Abstract
Anodic aluminium oxide (AAO) templates for multi-walled carbon nanotube (MWCNT)growth were produced by anodization of aluminium followed by pulse-reverseelectrodeposition of cobalt inside the AAO pores. Cobalt functioned as the catalyst forH2/C2H2 chemical vapour deposition (CVD) growth of fairly well graphitized MWCNTs initiatinginside the majority of the AAO pores and quickly growing beyond the pore confines. Atechnique is introduced for the production of AAO templates that fill evenly during pulsedelectrodeposition. The electrodeposition produced an active metallic catalyst in the porebottoms, with minimal over-filling. This process also eliminates the reduction stepnecessary when alternating current (AC) electrodeposition is used for filling AAO pores.
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