Doping and conductivity studies on poly(p-phenylene vinylene)

被引：26
|
作者：
Ahlskog, M
Reghu, M
Noguchi, T
Ohnishi, T
机构：
[1] UNIV CALIF SANTA BARBARA,INST POLYMERS & ORGAN SOLIDS,SANTA BARBARA,CA 93106
[2] SUMITOMO CHEM CO LTD,TSUKUBA RES LAB,TSUKUBA,IBARAKI 30032,JAPAN
来源：
SYNTHETIC METALS | 1997年 / 89卷 / 01期
关键词：
poly(phenylene vinylene) and derivatives; doping; conductivity;
D O I：
10.1016/S0379-6779(97)81187-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated the doping and temperature dependence of the conductivity of poly(p-phenylene vinylene) (PPV) free-standing films. High conductivities and a very weak temperature dependence are obtained in sulfuric acid (H2SO4)-doped PPV (10(4) S/cm), indicative of a metallic state, whereas iron trichloride (FeCl3)-doped samples are observed to be less conducting (10(3) S/cm) and insulating at low temperatures. Doping of PPV with triflic acid (CF3SO3H) results in a high conductivity as well. Conductivity as a function of stretching ratio is obtained in H2SO4-doped PPV. The stability of this system in air and moisture was also investigated. These features of PPV as a highly doped conducting polymer system are discussed and compared with previous studies of PPV and of polyacetylene.
引用
收藏
页码：11 / 15
页数：5
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