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The characterization study of functionalized multi-wall carbon nanotubes purified by acid oxidation

机译:酸氧化纯化功能化多壁碳纳米管的表征研究

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Acid oxidation is one of the purification method which has been used to open up the caps, removing carbonaceous and metal particles impurities, and attaching functional group (carboxylic groups, -COOH) at the opened caps and MWCNT surfaces. Unfortunately, this method can cause the structural damages of MWCNT, cut them into shorter length and reduced their performance. However, it is reported that the structure damage of CNT can be acceptable if it is not exceeding 4% of damages. Several characterization techniques will be used to study the composition of functionalized MWCNT and measuring the percent damages of functionalized MWCNT.
机译:酸氧化是一种纯化方法,已用于打开瓶盖,去除碳质和金属颗粒杂质,并在打开的瓶盖和MWCNT表面连接官能团(羧基,-COOH)。不幸的是,这种方法会导致MWCNT的结构损坏,将其切成较短的长度并降低其性能。然而,据报道,如果不超过CNT的4%,则CNT的结构损伤是可以接受的。几种表征技术将用于研究功能化MWCNT的组成并测量功能化MWCNT的损伤百分数。

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