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Citation: Huang Xiang-Ping, Lü Hai-Feng, Huang Xin-Tang. A Simple Chemical Method of Opening and Decorating Carbon Nanotubes by Polyvinyl Alcohol[J]. Acta Physico-Chimica Sinica, ;2004, 20(10): 1242-1244. doi: 10.3866/PKU.WHXB20041015 shu

A Simple Chemical Method of Opening and Decorating Carbon Nanotubes by Polyvinyl Alcohol

1.
College of Physical Science and Technology, Central China Normal University, Wuhan　430079; College of Science, China Three rges University, Yichang　443003

Received Date: 2 April 2004
Available Online: 15 October 2004

At low temperature(about 250 ℃), the mixture of polyvinyl alcohol(PVA)and purified carbon nanotubes (CNTs) was heated in the air to study the effect of PVA on the morphologies of the carbon nanotubes. The TEM pictures show that the top of the carbon nanotubes is opened, and the intertwisting carbon nanotubes are cut into short carbon nanotubes. The quantity of the short nanotubes increases with the time consuming. The oxidation and decoration of carbon nanotubes by polyvinyl alcohol have been demonstrated in these experiments. Based on these results, the mechanism of the oxidation and decoration is proposed, which indicates that one or more products generated from the decomposition of polyvinyl alcohol play an important role in the process of the reaction.
- Polyvinyl alcohol;Carbon nanotubes;Oxidation;Opening;Decorating
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