Catherine Cook, The University of Alabama, Tuscaloosa, AL, Jason Manning, The University of Alabama, Tuscaloosa, AL, and Martin Bakker, University of Alabama, Tuscaloosa, AL.
There is considerable interest in the development of metal nanowires and nanowire networks as components of high surface area porous electrodes for various applications including sensors, advanced batteries and supercapacitors. We have extended work reported by Park et. al. (Chem. Mater. 2007, 19, 3373-3375) using reverse micelle phases of Triton X-100 as a template to form 3-dimensional nanostructured platinum networks. We have determined that Triton X-100 also gives 3-dimensional porous nano-networks of nickel. The pore size appears to be significantly larger than that reported for platinum. Deposition on nickel foam yielded significant surface area increases as determined by cyclic voltammetry. Up to a 37 fold increase in surface area has been found for samples plated for one hour.