Integrated Imaging Facility

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  • Author(s):
    Trevor B. Demille, Robert A. Hughes, Nathaniel Dominique, Jacob E. Olson, Sergei Rouvimov, Jon P. Camden, Svetlana Neretina
    Abstract:

    A method for the nanofabrication of periodic arrays of gold nanostars yielding a unique morphology of relevance to SERS applications. With arms radiating from a central core, gold nanostars represent a unique and fascinating class of nanomaterials from which extraordinary plasmonic properties are derived. Despite their relevance to sensing applications, methods for fabricating homogeneous populations of nanostars on large-area planar surfaces in truly periodic arrays is lacking. Herein, the f…

    Date Published:
    2020-07
    Record Visibility:
    Public
  • Author(s):
    Svetlana Neretina, Arin S. Preston, Robert A. Hughes, Trevor B. Demille
    Abstract:

    Galvanic replacement reactions are widely used in the synthesis of bimetallic nanoshells. Essential to these syntheses is the design of template materials with electrochemical potentials that are low enough to facilitate the replacement of a wide variety of metals. While Cu is an attractive template from this standpoint, it has only rarely been used due to its propensity for oxidation and the associated difficulties in achieving chemically stable colloids. Here, a synthetic scheme is demonstr…

    Date Published:
    2018
    Record Visibility:
    Public