Curtin University Homepage
  • Library
  • FAQ
    • Log in

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Fabrication of Nanopore Array Electrodes by Focused Ion Beam Milling

    Access Status
    Fulltext not available
    Authors
    Lanyon, Y.
    De Marzi, G.
    Watson, Y.
    Quinn, A.
    Gleeson, J.
    Redmond, G.
    Arrigan, Damien
    Date
    2007
    Collection
    • Curtin Research Publications
    Type
    Journal Article
    Metadata
    Show full item record
    Abstract

    Single nanopore electrodes and nanopore electrode arrays have been fabricated using a focused ion beam (FIB) method. High aspect ratio pores (150-400-nm diameter and 500-nm depth) were fabricated using direct-write local ion milling of a silicon nitride layer over a buried platinum electrode. This local milling results in formation of a recessed platinum electrode at the base of each nanopore. The electrochemical properties of these nanoporemetal electrodes have been characterized by voltammetry. Steady-state voltammograms were obtained for a range of array sizes as well as for single nanopore electrodes. High-resolution scanning electron microscopy imaging of the arrays showed that the pores had truncated cone, rather than cylindrical, conformations. A mathematical model describing diffusion to an electrode located at the base of a truncated conical pore was developedandappliedtotheanalysis oftheelectrodegeometries. The results imply that diffusion to the pore mouth is the dominant mass transport process rather than diffusion to the electrode surface at the base of the truncated cone. FIB milling thus represents a simple and convenient method for fabrication of prototype nanopore electrode arrays, with scope for applications in sensing and fundamental electrochemical studies.

    Citation
    Lanyon, Y. and De Marzi, G. and Watson, Y. and Quinn, A. and Gleeson, J. and Redmond, G. and Arrigan, D. 2007. Fabrication of Nanopore Array Electrodes by Focused Ion Beam Milling. Analytical Chemistry. 79: pp. 3048-3055.
    Source Title
    Analytical Chemistry
    URI
    http://hdl.handle.net/20.500.11937/39372
    DOI
    10.1021/ac061878x

    Related items

    Showing items related by title, author, creator and subject.

    • Visualization of Diffusion within Nanoarrays
      Liu, Yang; Holzinger, A.; Knittel, P.; Poltorak, L.; Gamero-Quijano, A.; Rickard, William; Walcarius, A.; Herzog, G.; Kranz, C.; Arrigan, Damien (2016)
      The direct experimental characterization of diffusion processes at nanoscale remains a challenge that could help elucidate processes in biology, medicine and technology. In this report, two experimental approaches were ...
    • Electrochemical Characterisation of Nanoscale Liquid | Liquid Interfaces Located at Focused Ion Beam-Milled Silicon Nitride Membranes
      Sairi, M.; Chen-Tan, Nigel; Neusser, G.; Kranz, C.; Arrigan, Damien (2015)
      The electrochemical behaviour of single and arrayed nanoscale interfaces between two immiscible electrolyte solutions (single and array nanoITIES) is presented. The interfaces were formed at nanopores fabricated through ...
    • Electrochemical Characterisation of Nanoscale Liquid|Liquid Interfaces Located at Focused Ion Beam‐Milled Silicon Nitride Membranes
      Sairi, M.; Chen-Tan, Nigel; Neusser, G.; Kranz, C.; Arrigan, Damien (2014)
      The electrochemical behaviour of single and arrayed nanoscale interfaces between two immiscible electrolyte solutions (single and array nanoITIES) is presented. The interfaces were formed at nanopores fabricated through ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorsTitlesSubjectsDocument TypesThis CollectionIssue DateAuthorsTitlesSubjectsDocument Types

    My Account

    Log in

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Connect with Curtin

    • 
    • 
    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Send FeedbackContact Us
    DSpace software copyright © 2002-2015  DuraSpace