XNAES and XPS studies on modification of SWCNTS upon gas-phase purification treatments

LIANG Xianqing1; 2 ZHONG Jun1 ZHAO Ting1 YAO Peng1 IBRAHIM KUrash1 QIAN Haijie1 WU Ziyu1; 2 1

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XNAES and XPS studies on modification of SWCNTS upon gas-phase purification treatments

更新时间：2021-03-12

- XNAES and XPS studies on modification of SWCNTS upon gas-phase purification treatments
- NUCLEAR TECHNIQUES Vol. 32, Issue 12, (2009)
- 作者机构：
  
  1. 中国科学技术大学
  2. 中国科学院高能物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB383.1
- Published：01 December 2009
- 稿件说明：
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[1]梁先庆,钟俊,赵挺,姚鹏,奎热西·易卜拉欣,钱海杰,吴自玉.气相纯化处理对碳纳米管修饰的XANES和XPS谱学研究[J].核技术,2009,32(12):894-896.

LIANG Xianqing1, 2 ZHONG Jun1 ZHAO Ting1 YAO Peng1 IBRAHIM KUrash1 QIAN Haijie1 WU Ziyu1, 2 1. XNAES and XPS studies on modification of SWCNTS upon gas-phase purification treatments[J]. Nuclear techniques, 2009, 32(12): 894-896.
[1]梁先庆,钟俊,赵挺,姚鹏,奎热西·易卜拉欣,钱海杰,吴自玉.气相纯化处理对碳纳米管修饰的XANES和XPS谱学研究[J].核技术,2009,32(12):894-896. DOI：

LIANG Xianqing1, 2 ZHONG Jun1 ZHAO Ting1 YAO Peng1 IBRAHIM KUrash1 QIAN Haijie1 WU Ziyu1, 2 1. XNAES and XPS studies on modification of SWCNTS upon gas-phase purification treatments[J]. Nuclear techniques, 2009, 32(12): 894-896. DOI：

摘要

结合X射线近边吸收谱和光电子能谱对经过一系列纯化过程处理后的单壁碳纳米管进行系统的表征。这些纯化过程包括空气氧化、盐酸浸泡以及退火处理。从实验结果发现单壁碳纳米管的表面修饰程度在纯化过程中逐渐增强

经过Ar气保护下的高温退火后

这些表面修饰明显减少。同时还发现单壁碳纳米管能与氯原子成键

这种简单的修饰方法可能对单壁碳纳米管的应用具有重要意义。

Abstract

A systematic characterization of single-walled carbon nanotubes (SWCNTs) after successive purification steps

including air oxidation at 350℃

hydrochloric acid etching and 600℃ annealing in Ar

have been performed combining X-ray absorption near-edge structure (XANES) and X-ray photoelectron spectroscopy (XPS).The results indicated that the modification degree of SWCNTs increased after the purification procedures

but decreased significantly by annealing in Ar.It also showed that the SWCNTs could bond with chlorine atoms during the hydrochloric acid etching and suggested this modification may be importance for the applications.

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