Syntheses and electrochemical characterization of new water soluble octaarylthiosubstituted manganese phthalocyanines

被引：20

作者：

Booysen, Irvin ^{[1
]}

Matemadombo, Fungisai ^{[1
]}

Durmus, Mahmut ^{[2
]}

Nyokong, Tebello ^{[1
]}

机构：

[1] Rhodes Univ, Dept Chem, ZA-6140 Grahamstown, South Africa

[2] Gebze Inst Technol, Dept Chem, TR-41400 Gebze, Turkey

来源：

DYES AND PIGMENTS | 2011年 / 89卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Octaarylthio-substituted phthalocyanine; Manganese; Water-soluble; Quaternization; Spectroelectrochemistry; SELF-ASSEMBLED MONOLAYERS; ELECTROCATALYTIC OXIDATION; GOLD ELECTRODES; NITRITE; COBALT; REDUCTION; METALLOPHTHALOCYANINE; SPECTROSCOPY; COMPLEXES; BEHAVIOR;

D O I：

10.1016/j.dyepig.2010.09.012

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This paper reports on the synthesis and characterization of new manganese phthalocyanine (MnPc) complexes: 2,3-octakis-[(2-mercaptopyridine) phthalocyaninato] acetato manganese (III) (1) and its quaternized (hence water soluble) derivative: 2,3-octakis-{[(N-methyl-2-mercaptopyridine) phthalocyaninato] acetato manganese (III)} sulphate (2). The complexes were used to form self assembled monolayers (SAMs). Voltammetry proved that both of the SAMs are well packed, strongly passivating and act as selective and efficient barriers to ion permeability. Furthermore, surface coverage studies confirmed that the MPc macrocycles adsorb onto the gold electrode as monolayers. Both MPc SAMs were successfully used as electrochemical sensors of nitrite. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：111 / 119

页数：9

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