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Intrinsic redox states of polyaniline studied by high-resolution X-ray photoelectron spectroscopy

被引：74
|
作者：
Chen, Y
Kang, ET
Neoh, KG
Lim, SL
Ma, ZH
Tan, KL
机构：
[1] Natl Univ Singapore, Dept Chem Engn, Singapore 119260, Singapore
[2] Natl Univ Singapore, Dept Phys, Singapore 119260, Singapore
来源：
COLLOID AND POLYMER SCIENCE | 2001年 / 279卷 / 01期
关键词：
polyaniline; XPS; high-resolution; oxidation states; protonation;
D O I：
10.1007/s003960000418
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
High-resolution X-ray photoelectron spectroscopic (XPS) measurements of the various intrinsic redox states of polyaniline (PANI), using a monochromatized Al-K alpha source. were carried out. The presence of the imine, amine and positively charged nitrogen species corresponding to a particular intrinsic redox state and protonation level of the polymer was resolved quantitatively and unambiguously. The result confirmed the peak assignments of former XPS core-level studies using the lower resolution non-monochromatized Mg-K alpha X-ray source. Thus, the high-resolution XPS using a monochromatized Al-K alpha X-ray source is a truly unique tool for the convenient and quantitative analysis of the various intrinsic redox states of PANI.
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收藏
页码：73 / 76
页数：4
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