Electrochemical and in-situ spectroelectrochemical behaviors of non-peripherally tetra substituted zinc(II) and magnesium(II) phthalocyanines

Abstract

The electrochemical behaviors of non-peripherally tetra substituted zinc(II) and magnesium(II) phthalocyanines were studied at glassy carbon electrode in dimethylformamide using cyclic and square wave voltammetry techniques. Electrochemical mechanisms of complexes were illuminated by using the relationship between scan rate and peak current. The complexes exhibited reversible and diffusion controlled behaviors. The effect of metal center on redox properties of complexes were investigated and compared. Electrochemical results were supported with in-situ spectroelectrochemical measurements. Moreover, the color changes were recorded and observed sharp color transitions during the reduction and oxidation redox process.

Keywords

• Phthalocyanines
• electrochemistry
• spectroelectrochemistry

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