Investigation of liquid-crystalline behaviour of copper octakisalkylthiophthalocyanine and its film properties

BASOVA, T., KOL'TSOV, E., GUREK, A. G., ATILLA, D., AHSEN, V. and HASSAN, A. K. (2008). Investigation of liquid-crystalline behaviour of copper octakisalkylthiophthalocyanine and its film properties. Materials science and engineering C-biomimetic and supramolecular systems, 28 (2), 303-308.

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Link to published version:: https://doi.org/10.1016/j.msec.2007.02.003

Abstract

The mesogenic properties of copper octakisalkylthiophthalocyanine [(C6S)(8)PcCu] were studied by differential scanning calorimetry (DSC), Xray and optical microscopy. This phthalocyanine forms columnar hexagonal (Col(h)) mesophase. Thin films of (C6S)(8)PcCu were prepared by spin-coating technique. Thermally induced molecular reorganization within the films was studied by the methods of ellipsometry and UV-Vis absorption spectroscopy. Heat treatment produces molecular ordering which is believed to be due to stacking interaction between neighbouring phthalocyanine moieties. The differences in structural organization of the heated and unheated films were stated. These differences in structural organization in their turn are found to influence the electrical properties of the films. (c) 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Electronic Materials and Sensors Research Group
Identification Number: https://doi.org/10.1016/j.msec.2007.02.003
Page Range: 303-308
Depositing User: Helen Garner
Date Deposited: 20 May 2010 10:38
Last Modified: 18 Mar 2021 21:15
URI: https://shura.shu.ac.uk/id/eprint/1965

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