Improvement in the performance of a nickel complex-based electrochemical sensor for the detection of nitric oxide in solution

被引：83

作者：

Pontie, M ^{[1
]}

Lecture, H ^{[1
]}

Bedioui, F ^{[1
]}

机构：

[1] Ecole Natl Super Chim Paris, Lab Electrochim & Chim Analyt, UMR CNRS ENSCP 7575, F-75231 Paris 05, France

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1999年 / 56卷 / 1-2期

关键词：

nickel-phthalocyanine; electrochemistry; nitric oxide; ultramicro electrode; detection;

D O I：

10.1016/S0925-4005(99)00027-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The electroformation of the tetrasulfonated nickel phthalocyanine (NiTSPc) film in alkaline solution onto carbon fiber microelectrode is investigated in order to improve the electrochemical detection of nitric oxide (NO) in solution. We compare in this study the sensitivity of a carbon fiber microelectrode coated by nickel phthalocyanine deposited either by cyclic voltammetry or by controlled potential electrolysis at +1.2 V/SCE with a previously reported nickel porphyrin modified electrode. We show that the phthalocyanine film formed by cyclic voltammetry gives a modified microelectrode with a good sensitivity to NO, higher than the obtained one with nickel phthalocyanine and/or porphyrin deposited by controlled: potential electrolysis. (C) 1999 Elsevier Science S.A. All rights reserved.

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页码：1 / 5

页数：5

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