Phthalocyanine films as active layers of optical sensors for pentachlorophenol detection

BASOVA, T., PLYASHKEVICH, V., HASSAN, A. K., GUREK, A. G., GUMUS, G. and AHSEN, V. (2009). Phthalocyanine films as active layers of optical sensors for pentachlorophenol detection. Sensors and Actuators B-Chemical, 139 (2), 557-562.

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Link to published version:: 10.1016/j.snb.2009.03.062

Abstract

In this work, thin films of octasubstituted zinc phthalocyanine derivative (ZnPcR8) with bulky substituents R=-CH2N(SO2C6H5-CH3)CH2(CH2)(8)CH3 are investigated as active layers of optical sensors for the detection of pentachlorophenol. Using total internal reflection ellipsometry (TIRE) technique response characteristics of ZnPcR8 films to pentachlorophenol was studied in the concentration range 0.5-50 mu g/l. It was demonstrated that the specific binding of pentachlorophenol molecules causes substantial shift of Delta(lambda) spectrum. The minimum registered concentration of pentachlorophenol was 0.8 mu g/l. The results are supported by performing attenuated total reflection Fourier transform infrared (ATR-FTIR) difference spectroscopy. (C) 2009 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.2009.03.062
Depositing User: Helen Garner
Date Deposited: 20 May 2010 16:55
Last Modified: 16 Aug 2010 17:08
URI: http://shura.shu.ac.uk/id/eprint/1969

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