Effect of Interface on the Orientation of the Liquid Crystalline Nickel Phthalocyanine Films

BASOVA, T. V., DURMUS, M., GUREK, A. G., AHSEN, V. and HASSAN, A. K. (2009). Effect of Interface on the Orientation of the Liquid Crystalline Nickel Phthalocyanine Films. Journal of Physical Chemistry C, 113 (44), 19251-19257.

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Link to published version:: 10.1021/jp905907n

Abstract

In this paper, the effect of interface oil the orientation of the film of two derivatives of tetra-substituted nickel phthalocyanines NiPcR4-1 (R = -OCH(CH2OC12H25)(2)) and NiPcR4-2 (R = -SCH(CH2(C1CH2CH2)(2)OC2H5)(2)) deposited oil one substrate and between two identical substrates is studied by the method of polarized Raman spectroscopy The methods of ultraviolet-visible (UV-vis) absorption spectroscopy and infrared (IR) spectroscopy were also used for the characterization of films deposited oil quartz and KBr substrates, respectively. The orientation of columns in films confined between two substrates is characterized by polarized optical microscopy It has been shown that the films of both compounds confined between two substrates are characterized by homeotropic alignment while no homeotropic alignments could be obtained with an air interface. The orientation is also independent of the type of substituents on the phthalocyanine ring.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1021/jp905907n
Depositing User: Helen Garner
Date Deposited: 19 May 2010 14:22
Last Modified: 28 Jun 2013 13:40
URI: http://shura.shu.ac.uk/id/eprint/1962

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