Diffusiophoresis of gold in silica driven by the nanometric interfacial layer

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Abstract

This paper describes a model to describe diffusiophoresis of a gold nanoparticle inside a solid silica substrate. The motion of the particle is powered by the flow of a liquid-silica interfacial layer due to a gradient of gold concentration inside this layer. This mechanism can help explain the experiments of de Vreede et al. [1] in which the authors observed that gold nanoparticles become engulfed into the solid silica substrate at high temperature. Indeed our model describes precisely their experimental measurement.
Original languageEnglish
Title of host publication21st International Conference on Miniaturized Systems for Chemistry and Life Sciences
EditorsAbraham Lee, Don DeVoe
PublisherChemical and Biological Microstystems Society
Pages269-270
Number of pages2
ISBN (Electronic)978-0-692-94183-6
Publication statusPublished - 24 Oct 2017
Event21st International Conference on Miniaturized Systems for Chemistry and Life Sciences, μTAS 2017 - Savannah International Trade & Convention Center, Savannah, United States
Duration: 22 Oct 201726 Oct 2017
Conference number: 21
https://www.microtas2017.org/

Conference

Conference21st International Conference on Miniaturized Systems for Chemistry and Life Sciences, μTAS 2017
Abbreviated titleMicroTAS
CountryUnited States
CitySavannah
Period22/10/1726/10/17
Internet address

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Keywords

  • Diffusiophoresis
  • Gold nanoparticles
  • Surface diffusion
  • Amorphous silica

Cite this

Tregouet, C., Le The, H., Odijk, M., Snoeijer, J., Eijkel, J., Lohse, D., & van den Berg, A. (2017). Diffusiophoresis of gold in silica driven by the nanometric interfacial layer. In A. Lee, & D. DeVoe (Eds.), 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (pp. 269-270). Chemical and Biological Microstystems Society.