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    Ligands Exchange, Studying the Stability and Optical Properties of CdSe/CdS/ZnS Quantum Dots with Liquid Crystal

    Year: 2017

    Authors: Al-Alwani, A. J.; Chumakov, A. S.; Albermani, M. S.; Shinkarenko, O. A.; Begletsova, N. N.; Vostrikova, A. M.; Gorbachev, I. A.; Venig, S. B.; Glukhovskoy, E. G.

    Organizations: Russian Foundation for Basic Research [16-07-00093/16, 16-07-00185/16]

    Liquid crystal (LC) ligands have the ability to control the dispersion and the homogeneity of quantum dots (QDs) in solution. LC phase transition can be used as a tool to control the assembly of dispersed QDs. Comparing the results before and after the ligands exchange (oleic acid to liquid crystal) highlights some important differences in optical and morphology properties of QDs. We have studied changes in optical properties and a shift in the spectral wavelength band of QDs with LC ligands. Application of LC ligands leads to quenching of the emission and excitation spectra intensity of CdSe/CdS/ZnS QDs. Such hybrid materials have interesting potential for usage in a variety of applications such as photonic materials or (bio) chemical sensors.
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