Polymer-wrapped multiwalled carbon nanotubes synthesized via microwave-assisted in situ emulsion polymerization and their optical limiting properties

被引：57

作者：

Wu, Hui-Xia ^{[2
]}

Qiu, Xue-Qiong ^{[3
]}

Cao, Wei-Man ^{[2
]}

Lin, Yang-Hui ^{[1
]}

Cai, Rui-Fang ^{[1
]}

Qian, Shi-Xiong ^{[3
]}

机构：

[1] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China

[2] Shanghai Normal Univ, Dept Chem, Shanghai 200234, Peoples R China

[3] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China

来源：

CARBON | 2007年 / 45卷 / 15期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/j.carbon.2007.10.009

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Multiwalled carbon nanotube (MWCNT)/polystyrene (PS) or poly(methyl methacrylate) (PMMA) composites were successfully prepared by in situ emulsion polymerization under microwave irradiation using potassium persulfate as initiator. Then the composites were treated with tetrahydrofuran (THF) to remove the free polymers. The resultant PS or PMMA-wrapped MWCNT samples, which were soluble in common organic solvents such as 1,2-dichlorobenzene, THF, chloroform and others, have been well-characterized by TEM, thermal gravimetric analyses, FT-IR, UV-vis and Raman spectra. The optical limiting properties of the polymer-wrapped MWCNT samples were investigated by open-aperture Z-scan method. All of the polymer modified MWCNT samples in chloroform showed much better optical limiting behavior than pristine MWCNT in chloroform. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：2866 / 2872

页数：7

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