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  • Author(s):
    Seung-Ryong Kwon, Donghoon Han, Paul Bohn
    Abstract:

    Conspectus Electrochemical measurements conducted in confined volumes provide a powerful and direct means to address scientific questions at the nexus of nanoscience, biotechnology, and chemical analysis. How are electron transfer and ion transport coupled in confined volumes and how does understanding them require moving beyond macroscopic theories? Also, how do these coupled processes impact electrochemical detection and processing? We address these questions by studying a special type of c…

    Date Published:
    2019-10
    Record Visibility:
    Public
  • Author(s):
    Seung-Ryong Kwon, Paul Bohn
    Abstract:

    The attoliter volumes and confinement abilities of zero- dimensional nanopore-electrode arrays (NEAs) hold considerable promise for examining the behavior of single nanoparticles. In this work, we use surface- enhanced Raman scattering (SERS) in tandem with amperometry in order to monitor single Ag Raman-sentinel nanoparticles transported to and captured in single nanopores. To that end, highly ordered solid-state NEAs were fabricated to contain periodic arrays of nanopores, each housing a si…

    Date Published:
    2019-03
    Record Visibility:
    Public