Structural characterization of carboxylated multi-walled carbon nanotubes
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- 作者：Geon-Woong Lee ; Jungsoo Kim ; Jinhwan Yoon ; Jong-Seong Bae ; Byeong Chul Shin ; Il Soo Kim ; Weontae Oh ; Moonhor Ree
- 关键词：Multi-walled carbon nanotubes ; Surface modification ; Dispersion ; Thin film
- 刊名：Thin Solid Films
- 出版年：2008
- 出版时间：1 July 2008
- 年：2008
- 卷：516
- 期：17
- 页码：5781-5784
- 全文大小：411 K
文摘
Carboxylic acid groups were functionalized to MWNTs using some aqueous acid solutions and the resultant carboxylated MWNTs were in detail analyzed through structural characterizations. The characteristic Bragg peaks of pristine MWNTs were analyzed by XRD measurements. After acid treatment the diffraction peaks (100), (101), and (102) of pristine MWNTs disappeared, but the diffraction peak (002) was maintained in the carboxylated MWNTs. The structural and chemical changes after carboxylation of MWNTs improved the dispersibility of the resultant carboxylated MWNTs in water.