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Light-induced Soret effect and adsorption of nanocrystals in organic solvents

  • S. Kredentser
  • A. Eremin
  • P. Davidson
  • V. Reshetnyak
  • R. Stannarius
  • Yu. Reznikov
Regular Article

Abstract.

A light-induced Soret effect accompanied by photoinduced adsorption of pigment nanoparticles is described in organic solvents. We report an unexpected inversion of the nanoparticle flux which is directed along the temperarture gradient at short exposures to the light and switches against the gradient at longer exposures. This change of flux direction is due to light-induced adsorption of the nanocrystals onto the substrates of the cell.

Graphical abstract

Keywords

Soft Matter: Colloids and Nanoparticles 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • S. Kredentser
    • 1
  • A. Eremin
    • 2
  • P. Davidson
    • 3
  • V. Reshetnyak
    • 4
  • R. Stannarius
    • 2
  • Yu. Reznikov
    • 1
  1. 1.Institute of Physics of National Academy of Sciences of UkraineKyivUkraine
  2. 2.Otto-von-Guericke-Universität MagdeburgMagdeburgGermany
  3. 3.Laboratoire de Physique des Solides, UMR CNRS 8502Université Paris-SudOrsayFrance
  4. 4.Taras Shevchenko National University of KyivKyivUkraine

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