HIGH-FREQUENCY IMPEDANCE ANALYSIS OF QUARTZ-CRYSTAL MICROBALANCES COATED WITH CONDUCTING POLYMERS

被引：12
|
作者：
TOPART, PA
NOEL, MAM
LIESS, HD
机构：
[1] Fakultät für Elektrotechnik für Physik, Universität der Bundeswehr München, W-8012 Neubiberg
来源：
THIN SOLID FILMS | 1994年 / 239卷 / 02期
关键词：
D O I：
10.1016/0040-6090(94)90851-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, high frequency impedance analysis of an electrochemical quartz crystal microbalance is employed to monitor changes in the viscoelastic properties of conducting polymers. The frequency and motional inductance sensitivity measured during the electrodeposition of Cu, Ag and polypyrrole(tosylate) is compared with the theory for various quartz crystals of different cuts and fundamental resonant frequencies. It is found that changes in resonant resistance do not significantly depend on the quartzes used. It is shown that this technique is particularly appropriate for probe disparities in the morphology of conducting polymer films depending on the solvent, the size of the counteranion or the substrate. Changes in the viscoelastic properties of polypyrrole(tosylate) films up to 200-degrees-C were also investigated.
引用
收藏
页码：196 / 204
页数：9
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