NMR study of aging effects in polyaniline CSA

被引：4
|
作者：
Beau, B [1 ]
Travers, JP [1 ]
Genoud, F [1 ]
Rannou, P [1 ]
机构：
[1] Univ Grenoble 1, CEA, DRFMC, CNRS,UMR 5819,Lab Phys Met Synthet, F-38054 Grenoble 9, France
来源：
SYNTHETIC METALS | 1999年 / 101卷 / 1-3期
关键词：
polyaniline; nuclear magnetic resonance spectroscopy; transport measurements;
D O I：
10.1016/S0379-6779(98)00771-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spin dynamics has been investigated by NMR techniques in highly conducting polyaniline (PANI-CSA) aged at 135 degrees C in room atmosphere for times going from 0 to 14 days. Proton nuclear relaxation times have been measured as a function of frequency and temperature. Data are analyzed in the frame of an heterogeneous disorder with metallic regions connected by poorly conducting disordered chains. Aging acts as a corrosion process of the metallic parts without affecting the dynamics in amorphous zones.
引用
收藏
页码：778 / 779
页数：2
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