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  • Title: Synthesis of platinum dendrites and nanowires via directed electrochemical nanowire assembly.
    Author: Kawasaki JK, Arnold CB.
    Journal: Nano Lett; 2011 Feb 09; 11(2):781-5. PubMed ID: 21235218.
    Abstract:
    Directed electrochemical nanowire assembly is a promising high growth rate technique for synthesizing electrically connected nanowires and dendrites at desired locations. Here we demonstrate the directed growth and morphological control of edge-supported platinum nanostructures by applying an alternating electric field across a chloroplatinic acid solution. The dendrite structure is characterized with respect to the driving frequency, amplitude, offset, and salt concentration and is well-explained by classical models. Control over the tip diameter, side branch spacing, and amplitude is demonstrated, opening the door to novel device architectures for sensing and catalytic applications.
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