Effects of γ-ray irradiation dose on modification of multi-wall carbon nanotubes

GUO Jinxue; LI Yuguo; WU Shengwei; LI Wenxin

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Effects of γ-ray irradiation dose on modification of multi-wall carbon nanotubes

Radiation Modification of Polymeric Materials | 更新时间：2023-03-30

- Effects of γ-ray irradiation dose on modification of multi-wall carbon nanotubes
- Journal of Radiation Research and Radiation Processing Vol. 23, Issue 2, Pages: 112(2005)
- 作者机构：
  
  1.中国科学院上海应用物理研究所　上海　201800
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GUO Jinxue, LI Yuguo, WU Shengwei, et al. Effects of γ-ray irradiation dose on modification of multi-wall carbon nanotubes. [J]. Journal of Radiation Research and Radiation Processing 23(2):112(2005)
DOI：

GUO Jinxue, LI Yuguo, WU Shengwei, et al. Effects of γ-ray irradiation dose on modification of multi-wall carbon nanotubes. [J]. Journal of Radiation Research and Radiation Processing 23(2):112(2005) DOI：

摘要

实验证明荷能粒子和高能光子能在碳纳米管（CNT）上产生结构性缺陷。根据缺陷浓度可能影响连接在纳米管上功能基团浓度的假设，Skakalova等,[1],用SOCl,2,对γ射线辐照以后的碳壁纳米管进行功能化化学处理。结果发现，由这些碳纳米管制成的纳米管纸（NT-paper），无论是杨氏模量还是导电性都大大增加，但是没有给出的关于辐照剂量和连接在纳米管上功能基团浓度关联的直接证据。

Abstract

Multi-wall carbon nanotubes(MWNTs) were irradiated to different doses by ,60,Co γ-rays, and were subjected to chemical modification with decylamin. Elemental and TGA analyses of the modified MWNTs indicated that concentration of the functional groups bound to MWNTs increased monotonously with increasing doses, due to the defects created on the MWNTs by the γ-rays. In contrast with the results reported in Ref.1, no saturation of defect concentration was found at 170 kGy in this work.

关键词

多壁碳纳米管γ射线辐照化学修饰剂量效应

Keywords

MWNTsγ-ray irradiationChemical modificationDefect saturation

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