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OALib Journal期刊
ISSN: 2333-9721
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硫酸水溶液中聚苯胺的两种极化子
, PP. 121-126
Keywords: 电子自旋共振,极化子,自旋运动性,聚苯胺
Abstract:
应用自设计现场ESR电解池测量不同电势下的聚苯胺电导率,得到了高信/噪比的ESR谱图.谱线分解发现,在硫酸水溶液中聚苯胺生长的早期阶段存在两种极化子,根据这两种成分的ESR峰宽随电极电势的变化以及它和电导的关联分析,分别被指认为聚苯胺中有序区域和无序区域的极化子.随着掺杂程度的增大,两种极化子都是载流子,同样经历了由Curie自旋到Pauli自旋的转变.这一推论得到ESR饱和实验数据的支持.
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