Modification of multi-wall carbon nanotubes, irradiated with γ-rays

GUO Jinxue; LI Yuguo; WU Shengwei; LI Wenxin

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Modification of multi-wall carbon nanotubes, irradiated with γ-rays

更新时间：2023-03-30

- Modification of multi-wall carbon nanotubes, irradiated with γ-rays
- Journal of Radiation Research and Radiation Processing Vol. 23, Issue 3, Pages: 155-158(2005)
- 作者机构：
  
  1.中国科学院上海应用物理研究所　上海　201800
- 作者简介：
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GUO Jinxue, LI Yuguo, WU Shengwei, et al. Modification of multi-wall carbon nanotubes, irradiated with γ-rays. [J]. Journal of Radiation Research and Radiation Processing 23(3):155-158(2005)
DOI：

GUO Jinxue, LI Yuguo, WU Shengwei, et al. Modification of multi-wall carbon nanotubes, irradiated with γ-rays. [J]. Journal of Radiation Research and Radiation Processing 23(3):155-158(2005) DOI：

摘要

本工作用,60,Co γ射线辐照多壁碳纳米管，再对其进行有机化学修饰，每步化学处理的产物都用红外和喇曼光谱表征。修饰后多壁碳纳米管的元素分析和热重分析表明，连接在多壁碳纳米管上癸胺的浓度随γ辐照剂量的增加而增加，这与辐照所致碳纳米管结构缺陷有关。与未辐照进行化学修饰的碳纳米管相比较，辐照后修饰的多壁碳纳米管在丙酮、四氢呋喃等有机溶剂中的溶解度明显提高。这一研究为碳纳米管的功能化修饰及其应用提供了新思路。

Abstract

Multi-wall carbon nanotubes (MWNTs) irradiated with γ-rays were subjected to chemical modification. Products from each chemical treatment were characterized by FTIR and Raman spectroscopy. Elemental and TGA analyses of the modified MWNTs indicated that the concentration of functional groups bound on MWNTs increased with increasing doses, due to defects created on the MWNTs by γ-ray irradiation. Solubility in acetone and DMF of the irradiated and chemically modified MWNTs enhanced considerably in comparison with the control (without irradiation). The study will be of help for exploring novel applications of functional carbon nanotubes.

关键词

多壁碳纳米管γ 辐照化学修饰

Keywords

MWNTsγ-ray irradiationChemical modification

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Graduate School of the Chinese Academy of Sciences

Department of Applied Chemistry, School of Science, Northwestern Polytechnical University

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