Synthesis and characterization of low molecular weight oligomers of soluble polyaniline by electrospray ionization mass spectrometry

被引：16
|
作者：
Dolan, AR [1 ]
Wood, TD [1 ]
机构：
[1] SUNY Buffalo, Dept Chem, Buffalo, NY 14260 USA
来源：
SYNTHETIC METALS | 2004年 / 143卷 / 02期
基金：
美国国家科学基金会;
关键词：
polyaniline; electrospray ionization; mass spectral; oxidation states; tandem mass spectrometry;
D O I：
10.1016/j.synthmet.2003.12.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mass spectrometry (MS) has not been utilized extensively for its ability to analyze the structure of polyaniline. This has been a result of polyaniline not being directly soluble in MS-"friendly" solvents. Here, low molecular weight oligomers of polyaniline are synthesized, using a modified room temperature synthesis of polyaniline, that are soluble in solvents that are better suited to electrospray MS analysis. Oligomers up to the 9-mer are identified from the mass spectra. Importantly, several different types of polyaniline oligomers that differ from one another based on their end groups were distinguished in the mass spectra. The use of tandem mass spectrometry (MS/MS) enabled identification of these various end groups. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：243 / 250
页数：8
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