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Reliable Metal Deposition into TiO2 Nanotubes for Leakage-Free Interdigitated Electrode Structures and Use as a Memristive Electrode

Authors

  • Dr. Ning Liu,

    1. Department of Materials Science WW4-LKO, University of Erlangen-Nuremberg, Martensstrasse 7, 91058 Erlangen (Germany)
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  • Kiyoung Lee,

    1. Department of Materials Science WW4-LKO, University of Erlangen-Nuremberg, Martensstrasse 7, 91058 Erlangen (Germany)
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  • Prof. Dr. Patrik Schmuki

    Corresponding author
    1. Department of Materials Science WW4-LKO, University of Erlangen-Nuremberg, Martensstrasse 7, 91058 Erlangen (Germany)
    • Department of Materials Science WW4-LKO, University of Erlangen-Nuremberg, Martensstrasse 7, 91058 Erlangen (Germany)

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  • We gratefully acknowledge the DFG, especially the Cluster of Excellence (EAM), for financial support.

Abstract

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Nearly 100 % filling of TiO2 nanotubes with metals, including Ag, Cu, Au, and Pt, was achieved by defect-sealing treatment at the bottom of the nanotubes, followed by metal deposition using nuclei formation/coalescence. The resulting short-circuit-free interdigitated electrode configurations can, for example, be used to fabricate memristive electrodes.

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