Electrical conductivity of individual polypyrrole microtube

被引：11
|
作者：
Long, YZ
Xiao, HM
Chen, ZJ
Wan, MX
Jin, AZ
Gu, CZ
机构：
[1] Chinese Acad Sci, Inst Phys, Key Lab Extreme Condit Phys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Lab Organ Solids, Ctr Mol Sci, Beijing 100080, Peoples R China
[3] China Univ Min & Technol, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
[4] Chinese Acad Sci, Inst Phys, Lab Microfabricat, Beijing 100080, Peoples R China
来源：
CHINESE PHYSICS | 2004年 / 13卷 / 11期
关键词：
conducting polymers; microtubes; self-assembly; conductivity; polypyrrole;
D O I：
10.1088/1009-1963/13/11/027
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Conducting microtubes (0.4-0.5mum in outer diameter) made of polypyrrole (PPy) doped with p-toluene sulfonic acid (PTSA) were synthesized by a self-assembly method. We report the electrical conductivity of an individual PPy microtube, on which a pair of platinum micro-leads was fabricated by focused ion beam deposition. The measured room-temperature conductivity of the individual PPy microtube was 0.29S/cm, which is comparable to that of template-synthesized PPy micro/nanotubes. The temperature dependence of conductivity of the individual microtube follows the three-dimensional variable-range hopping (3D VRH) model.
引用
收藏
页码：1918 / 1921
页数：4
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