CHARGE-TRANSFER INTERACTIONS AND REDOX STATES IN POLY(N-METHYLANILINE) AND ITS COMPLEXES

被引:14
作者
KANG, ET [1 ]
NEOH, KG [1 ]
TAN, KL [1 ]
WONG, HK [1 ]
机构
[1] NATL UNIV SINGAPORE,DEPT PHYS,SINGAPORE 0511,SINGAPORE
关键词
POLY(N-METHYLANILINE); XPS; OXIDATION STATES; DOPING; PROTONATION;
D O I
10.1016/0379-6779(92)90064-P
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Poly(N-methylaniline) (PMAN) complexes have been synthesized by oxidative polymerization of N-methylaniline in a 1 M HCl solution of (NH4)2S2O8 and in acetonitrile solution of Fe(ClO4)3.9H2O. The PMAN base is susceptible to (i) protonation by protonic acids, (ii) oxidation by inorganic and organic oxidants and (iii) self-doping upon sulfonation. The structures, chemical compositions and doping/protonation levels of the various complexes have been studied by X-ray photoelectron spectroscopy (XPS). The XPS results suggest that PMAN is capable of assuming a 50% oxidized structure, instead of the deprotonated 14% oxidized structure reported earlier.
引用
收藏
页码:231 / 240
页数:10
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