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From the same journal

Thermodynamically Stable Dispersions of Quantum Dots in a Nematic Liquid Crystal

Research output: Contribution to journalArticle

Author(s)

  • John William Goodby
  • Maksym Prodanov
  • Nataliya V Pogorelova
  • Alexander P Kryshtal
  • Andrey S. Klymchenko
  • Yves Mely
  • Vladimir P Semynozhenko
  • Alexander I. Krivoshey
  • Yurii A. Reznikov
  • Sergey N. Yarmolenko
  • Valerii V. Vashchenko

Department/unit(s)

Publication details

JournalLangmuir
DatePublished - 30 Jul 2013
Issue number30
Volume29
Pages (from-to)9301-9309
Original languageEnglish

Abstract

Using transmittance electron microscopy, fluorescence and polarizing optical microscopy, optical spectroscopy, and fluorescent correlation spectroscopy, it was shown that CdSe/ZnS quantum dots coated with a specifically designed surfactant were readily dispersed in nematic liquid crystal (LC) to form stable colloids. The mixture of an alkyl phosphonate and a dendritic surfactant, where the constituent molecules contain promesogenic units, enabled the formation of thermodynamically stable colloids that were stable for at least 1 year. Stable colloids are formed due to minimization of the distortion of the LC ordering around the quantum dots.

    Research areas

  • FLUORESCENCE CORRELATION SPECTROSCOPY; GOLD NANOPARTICLES; CHEMICAL-COMPOSITION; CDSE; COMPOSITES; BEHAVIOR; PHOTOLUMINESCENCE; NANOCOMPOSITES; ALIGNMENT; NANORODS

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