Techniques are presented for modifying pore topologies in alumina templates. A multistep process is used to alter the shape of the pore by introducing oxidized metal components along a section of the pore wall. The modified templates can then be used to fabricate wires with directed shapes. Wires with structured tips, grown electrochemically, illustrate the utility of this approach.
F. Li and J. B. Wiley, J. Mater. Chem., 2004, 14, 1387 DOI: 10.1039/B311457K
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