Effect of dispersion of gold nanoparticles on the properties and alignment of liquid crystalline copper phthalocyanine films

BASOVA, Tamara V., PARKHOMENKO, Roman G., POLYAKOV, Maxim, GÜREK, Ayşe Gül, ATILLA, Devrim, YUKSEL, Fatma, RYABCHIKOVA, Elena I., KADEM, Burak Y. and HASSAN, Aseel (2015). Effect of dispersion of gold nanoparticles on the properties and alignment of liquid crystalline copper phthalocyanine films. Dyes and Pigments, 125, 266-273.

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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Link to published version:: https://doi.org/10.1016/j.dyepig.2015.10.005
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    Abstract

    The inclusion of hexadecylamine capped gold nanoparticles (AuNPs) into the ordered matrix of hexagonal columnar mesophase of copper phthalocyanine (CuPc) has been investigated. The effects of AuNPs on the liquid crystalline behaviour, optical and electrical properties of CuPc films is investigated by different physical methods. The molecules orientation in the films of CuPc and its composites with AuNPs, deposited on the surface of one substrate and between two electrodes, is studied by polarized Raman spectroscopy and polarized microscopy. It has been shown that thin films of the composites confined between ITO and Al electrodes are characterized by homeotropic alignment while no homeotropic alignment was observed in films deposited on ITO substrate with air constituting the upper interface. The I(V) dependences for the films confined between ITO and Al electrodes were measured. Appreciable enhancement of the DC conductivity is observed in the case of composites containing gold nanoparticles.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre
    Identification Number: https://doi.org/10.1016/j.dyepig.2015.10.005
    Page Range: 266-273
    Depositing User: Carmel House
    Date Deposited: 15 Aug 2016 11:39
    Last Modified: 18 Mar 2021 00:24
    URI: http://shura.shu.ac.uk/id/eprint/13046

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