The effects of dye dopants on the conductivity and optical absorption properties of polypyrrole

被引：92

作者：

Hakansson, Eva

Lin, Tong

Wang, Hongxia

Kaynak, Akif ^{[1
]}

机构：

[1] Deakin Univ, Sch Engn & Informat Technol, Fac Sci & Technol, Geelong, Vic 3217, Australia

[2] Deakin Univ, Ctr Mat & Fibre Innovat, Fac Sci & Technol, Geelong, Vic 3217, Australia

来源：

SYNTHETIC METALS | 2006年 / 156卷 / 18-20期

关键词：

polypyrroles; dyes/pigments; UV-vis spectroscopy; molecular modelling; infrared spectroscopy;

D O I：

10.1016/j.synthmet.2006.08.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ten anionic compounds, including four acidic dyes, were used to dope polypyrrole powder. The effects of the dopants on density, optical absorption and conductivity of the polypyrroles were studied. The presence of the dopant in the conducting polymer matrix was verified by ATR-FTIR spectroscopy. Density function theory (DFT) simulation was used to understand the effect of the dopants on the solid structure, optical absorption and energy band structures. Anthraquinone-2-sulfonic acid-doped polypyrrole yielded the highest conductivity. The dye-doped polypyrrole showed an enhancement in its UV-vis optical absorption. (c) 2006 Elsevier B.V. All rights reserved.

引用

收藏

页码：1194 / 1202

页数：9

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