Microwave irradiation for chemical modification of carbon nanotubes for better dispersion

被引：19
|
作者：
Kubota, K [1 ]
Sano, M [1 ]
Masuko, T [1 ]
机构：
[1] Yamagata Univ, Dept Polymer Sci & Engn, Yonezawa, Yamagata 9928510, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 1A期
关键词：
carbon nanotubes; microwave; chemical modification; dispersions;
D O I：
10.1143/JJAP.44.465
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A mixture of single-walled carbon nanotubes (SWCNTs) and alkylamines was irradiated using microwave at various powers and for various durations. The amount of the resulting SWCNTs dispersed in chloroform was monitored as. a function of time. We showed that irradiating a 100W microwave for 20 min is sufficient to stably disperse SWCNTs. Moreover, nearly all SWCNTs irradiated using the microwave remained dispersed over a period of one month. In comparison, the same reaction conducted by ordinary oil-heating required a few days of refluxing and gave a 60% yield at best. These results indicate that microwave irradiation is a powerful method of enhancing the dispersibility of SWCNTs, by chemical modification.
引用
收藏
页码：465 / 468
页数：4
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