Liquid crystalline phthalocyanine spun films for organic vapour sensing

BASOVA, T., KOL'TSOV, E., RAY, A. K., HASSAN, A. K., GUREK, A. G. and AHSEN, V. (2006). Liquid crystalline phthalocyanine spun films for organic vapour sensing. Sensors and Actuators B-Chemical, 113 (1), 127-134.

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Link to published version:: 10.1016/j.snb.2005.02.038

Abstract

Vapour sensing properties of spin-coated films of mesogenic octa-substituted phthalocyanine derivatives MPcR8, where M=Ni(II). R=-S(CH2)(11)CH3, -SCH(CH2OC12H25)(2), -S(CH2CH2O)(3)CH3 were investigated using spectroscopic ellipsometry, Raman spectroscopy and surface plasmon resonance (SPR) technique. Solvent molecules with saturated C-C bonds such as chloroform are found to have formed hydrogen bonds with alkyl chains of the substituents of phthalocyanine molecules. The sensor response to aromatic compounds such as benzene is, on the other hand, believed to be the consequence of their pi-pi interaction with the conjugated phthalocyanine ring. (c) 2005 Elsevier B.V. All rights reserved.

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: 10.1016/j.snb.2005.02.038
Depositing User: Helen Garner
Date Deposited: 20 May 2010 11:50
Last Modified: 08 Jun 2010 10:12
URI: http://shura.shu.ac.uk/id/eprint/1964

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