Characterization of Electrosynthesized Conjugated Polymer-Carbon Nanotube Composite: Optical Nonlinearity and Electrical Property

被引：21

作者：

Bahrami, Afarin ^{[1
,2
]}

Talib, Zainal Abidin ^{[1
]}

Shahriari, Esmaeil ^{[1
]}

Yunus, Wan Mahmood Mat ^{[1
]}

Kasim, Anuar ^{[3
]}

Behzad, Kasra ^{[1
]}

机构：

[1] Univ Putra Malaysia, Dept Phys, Serdang 43400, Selangor, Malaysia

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

[3] Univ Putra Malaysia, Dept Chem, Serdang 43400, Selangor, Malaysia

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2012年 / 13卷 / 01期

关键词：

conducting polymers; carbon nanotubes; optical properties; electrical characterization; POLYPYRROLE; NANOCABLES; FILMS;

D O I：

10.3390/ijms13010918

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：

The effects of multi-walled carbon nanotube (MWNT) concentration on the structural, optical and electrical properties of conjugated polymer-carbon nanotube composite are discussed. Multi-walled carbon nanotube-polypyrrole nanocomposites were synthesized by electrochemical polymerization of monomers in the presence of different amounts of MWNTs using sodium dodecylbenzensulfonate (SDBS) as surfactant at room temperature and normal pressure. Field emission scanning electron microscopy (FESEM) indicates that the polymer is wrapped around the nanotubes. Measurement of the nonlinear refractive indices (n(2)) and the nonlinear absorption (beta) of the samples with different MWNT concentrations measurements were performed by a single Z-scan method using continuous wave (CW) laser beam excitation wavelength of lambda = 532 nm. The results show that both nonlinear optical parameters increased with increasing the concentration of MWNTs. The third order nonlinear susceptibilities were also calculated and found to follow the same trend as n(2) and beta. In addition, the conductivity of the composite film was found to increase rapidly with the increase in the MWNT concentration.

引用

页码：918 / 928

页数：11

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