ELECTROACTIVE BILAYERS EMPLOYING CONDUCTING POLYMERS .3. KINETIC VS DIFFUSIONAL CONTROL OF OUTER LAYER SWITCHING RATE

被引：24

作者：

HILLMAN, AR

MALLEN, EF

机构：

[1] School of Chemistry, University of Bristol, Bristol, BS8 ITS, Cantock's Close

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1991年 / 309卷 / 1-2期

关键词：

INSITU REFLECTION SPECTRA; REDOX POLYMER; POLYTHIOPHENE FILMS; TRAPPING REACTIONS; ELECTRODES; POLYPYRROLE; COMPOSITES; POLYVINYL-CHLORIDE); ELECTROCHEMISTRY; INTERFACES;

D O I：

10.1016/0022-0728(91)87011-R

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Current/potential characteristics of poly(2,2'-bithiophene)/poly(xylylviologen) (PBT/PXV) bilayers have been investigated. The variation of peak position with scan rate and the current/potential relationship for the "untrapping" of reduced viologen sites in the outer film have been analysed. The limiting flux during this bilayer switching operation is similar to that determined from PBT single film charge transport data. The kinetics of the polymer interfacial reaction would be expected to be associated with a much larger limiting flux. We conclude that inner film transport is rate limiting.

引用

页码：159 / 171

页数：13

共 42 条

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