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Colloid Journal

, Volume 78, Issue 2, pp 181–188 | Cite as

The effect of pulsed laser radiation on polyelectrolyte capsule shells modified with fluorescent dyes

  • I. V. MarchenkoEmail author
  • G. S. Plotnikov
  • A. N. Baranov
  • A. M. Saletsky
  • T. V. Bukreeva
Article

Abstract

Polyelectrolyte capsules containing rhodamine 6G and fluorescein isothiocyanate in their shells are obtained by successive adsorption on spherical microscopic CaCO3 particles followed by the dissolution of the latter. Suspensions of the capsules are irradiated with a laser operating at a wavelength corresponding to the absorption bands of the dyes, and it is shown that shell modification with the selected dyes promotes photosensitized disruption of these structures. The mechanism proposed for this disruption is realized via energy transfer from photoexcited dye molecules to the polymer matrix. Therewith, the dye-modified capsules are disrupted due to their nonuniform local heating.

Keywords

Colloid Journal Pulse Laser Radiation Sodium Polystyrene Sulfonate Capsule Shell Polyelectrolyte Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • I. V. Marchenko
    • 1
    • 2
    Email author
  • G. S. Plotnikov
    • 3
  • A. N. Baranov
    • 3
  • A. M. Saletsky
    • 3
  • T. V. Bukreeva
    • 1
    • 2
  1. 1.National Research Centre “Kurchatov Institute”MoscowRussia
  2. 2.Shubnikov Institute of CrystallographyRussian Academy of SciencesMoscowRussia
  3. 3.Department of PhysicsMoscow State UniversityMoscowRussia

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