Optical detection of pentachlorophenol in water using thin films of octa-tosylamido substituted zinc phthalocyanine

BASOVA, T., HASSAN, A., YUKSEL, F., GUREK, A. G. and AHSEN, V. (2010). Optical detection of pentachlorophenol in water using thin films of octa-tosylamido substituted zinc phthalocyanine. Sensors and Actuators B: Chemical, 150 (2), 523-528.

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Link to published version:: 10.1016/j.snb.2010.08.045

Abstract

In this work, thin films of eight octasubstituted zinc(II) phthalocyanine derivative (ZnPcR8) with tosylamido substituents R = –NHSO2(C6H4)CH3 were investigated as active layer of optical sensors for the detection of pentachlorophenol. Using total internal reflection ellipsometry (TIRE) technique response characteristics of ZnPcR8 films to pentachlorophenol were studied in the concentration range from 0.1 to 20 μg/l. This was also validated for natural river and wastewater samples. It was demonstrated that the specific binding of pentachlorophenol molecules causes substantial shift of Δ(λ) spectrum. The minimum registered concentration of pentachlorophenol was 0.7 μg/l. For the river water and wastewater samples the detection limits as well as a working concentration ranges showed no significant difference with respect to those found in distilled water.

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.2010.08.045
Depositing User: Ann Betterton
Date Deposited: 13 Oct 2010 17:22
Last Modified: 04 Apr 2011 16:25
URI: http://shura.shu.ac.uk/id/eprint/2548

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