Monitoring of formation and redox transformations of poly(methylene blue) films using an electrochemical quartz crystal microbalance

被引：54

作者：

Kertesz, V ^{[1
]}

Bacskai, J ^{[1
]}

Inzelt, G ^{[1
]}

机构：

[1] EOTVOS LORAND UNIV, DEPT PHYS CHEM, H-1518 BUDAPEST 112, HUNGARY

来源：

ELECTROCHIMICA ACTA | 1996年 / 41卷 / 18期

关键词：

methylene blue; electrochemical quartz crystal microbalance; electropolymerization; pH; ion effect;

D O I：

10.1016/0013-4686(96)00116-8

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An electrochemical quartz crystal microbalance and cyclic voltammetry have been used to monitor the growth of poly(methylene blue) films on gold during potential cycling between -0.6V and 1.0V vs. sce in sodium phosphate buffer (pH 8.2) and Na2SO4 solutions. Both the adsorption/desorption of monomer methylene blue and the formation of poly(methylene blue) film can be followed by microgravimetry. The response of the polymer films is significantly separated from that of the monomer species in solution. It has been proved that anion sorption/desorption occur during the redox transformation of the polymer, while cations play no role. Preliminary results on the complex protonation/deprotonation equilibria are also discussed. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：2877 / 2881

页数：5

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