Low Temperature Hall Effect Investigation of Conducting Polymer-Carbon Nanotubes Composite Network

被引：20

作者：

Bahrami, Afarin ^{[1
,2
]}

Talib, Zainal Abidin ^{[1
]}

Yunus, Wan Mahmood Mat ^{[1
]}

Behzad, Kasra ^{[1
,3
]}

Abdi, Mahnaz M. ^{[4
]}

Din, Fasih Ud ^{[1
]}

机构：

[1] Univ Putra Malaysia, Dept Phys, Fac Sci, Serdang 43400, Malaysia

[2] Islamic Azad Univ, Dept Phys, Fac Sci, Eslamshahr Branch, Tehran 3314767653, Iran

[3] Islamic Azad Univ, Dept Phys, Fac Sci, Shahre Ghods Branch, Tehran 3754198811, Iran

[4] Univ Putra Malaysia, Dept Chem, Fac Sci, Serdang 43400, Malaysia

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2012年 / 13卷 / 11期

关键词：

polypyrrole; carbon nanotube; Hall effect; conductivity; NANOCOMPOSITES; NANOCABLES; PPV;

D O I：

10.3390/ijms131114917

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Polypyrrole (PPy) and polypyrrole-carboxylic functionalized multi wall carbon nanotube composites (PPy/f-MWCNT) were synthesized by in situ chemical oxidative polymerization of pyrrole on the carbon nanotubes (CNTs). The structure of the resulting complex nanotubes was characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD). The effects of f-MWCNT concentration on the electrical properties of the resulting composites were studied at temperatures between 100 K and 300 K. The Hall mobility and Hall coefficient of PPy and PPy/f-MWCNT composite samples with different concentrations of f-MWCNT were measured using the van der Pauw technique. The mobility decreased slightly with increasing temperature, while the conductivity was dominated by the gradually increasing carrier density.

引用

页码：14917 / 14928

页数：12

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