August 6, 2020 Journal article Open Access

Dzmitry V. Yakimchuk; Victoria D. Bundyukova; Jon Ustarroz; Herman Terryn; Kitty Baert; Artem L. Kozlovskiy; Maxim V. Zdorovets; Soslan A. Khubezhov; Alex V. Trukhanov; Sergei V. Trukhanov; Larissa V. Panina; Grigory M. Arzumanyan; Kahramon Z. Mamatkulov; Daria I. Tishkevich; Egor Y. Kaniukov; Vladimir Sivakov

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{
  "DOI": "10.3390/s20164397", 
  "language": "eng", 
  "author": [
    {
      "family": "Dzmitry V. Yakimchuk"
    }, 
    {
      "family": "Victoria D. Bundyukova"
    }, 
    {
      "family": "Jon Ustarroz"
    }, 
    {
      "family": "Herman Terryn"
    }, 
    {
      "family": "Kitty Baert"
    }, 
    {
      "family": "Artem L. Kozlovskiy"
    }, 
    {
      "family": "Maxim V. Zdorovets"
    }, 
    {
      "family": "Soslan A. Khubezhov"
    }, 
    {
      "family": "Alex V. Trukhanov"
    }, 
    {
      "family": "Sergei V. Trukhanov"
    }, 
    {
      "family": "Larissa V. Panina"
    }, 
    {
      "family": "Grigory M. Arzumanyan"
    }, 
    {
      "family": "Kahramon Z. Mamatkulov"
    }, 
    {
      "family": "Daria I. Tishkevich"
    }, 
    {
      "family": "Egor Y. Kaniukov"
    }, 
    {
      "family": "Vladimir Sivakov"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2020, 
        8, 
        6
      ]
    ]
  }, 
  "abstract": "<p>The modern development of nanotechnology requires the discovery of simple approaches that ensure the controlled formation of functional nanostructures with a predetermined morphology. One of the simplest approaches is the self-assembly of nanostructures. The widespread implementation of self-assembly is limited by the complexity of controlled processes in a large volume where, due to the temperature, ion concentration, and other thermodynamics factors, local changes in diffusion-limited processes may occur, leading to unexpected nanostructure growth. The easiest ways to control the diffusion-limited processes are spatial limitation and localized growth of nanostructures in a porous matrix. In this paper, we propose to apply the method of controlled self-assembly of gold nanostructures in a limited pore volume of a silicon oxide matrix with submicron pore sizes. A detailed study of achieved gold nanostructures&rsquo; morphology, microstructure, and surface composition at different formation stages is carried out to understand the peculiarities of realized nanostructures. Based on the obtained results, a mechanism for the growth of gold nanostructures in a limited volume, which can be used for the controlled formation of nanostructures with a predetermined geometry and composition, has been proposed. The results observed in the present study can be useful for the design of plasmonic-active surfaces for surface-enhanced Raman spectroscopy-based detection of ultra-low concentration of different chemical or biological analytes, where the size of the localized gold nanostructures is comparable with the spot area of the focused laser beam.</p>", 
  "title": "Morphology and Microstructure Evolution of Gold Nanostructures in the Limited Volume Porous Matrices", 
  "type": "article-journal", 
  "id": "3993464"
}