Significance and Systematic Analysis of Metallic Impurities of Carbon Nanotubes Produced by Different Manufacturers

	Significance and Systematic Analysis of Metallic Impurities of Carbon Nanotubes Produced by Different Manufacturers
	Ge CC(葛翠翠); Li W(李炜); Li YF(李玉锋); Li B(李柏); Qiu Y(邱杨); Liu Y(刘颖); Gao YX(高愈希); Chai ZF(柴之芳); Chen CY(陈春英); Ge, CC
刊名	JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
	2011
卷号	11 期号:3 页码:2389-2397
关键词	Catalyst Elements Carbon Nanotubes Inductively Coupled Plasma Mass Spectrometry Neutron Activation Analysis
通讯作者	[Ge, Cuicui ; Li, Wei ; Li, Yufeng ; Du, Jiangfeng ; Qiu, Yang ; Liu, Ying ; Chen, Chunying] Inst High Energy Phys, CAS Key Lab Biol Effects Nanomat & Nanosafety, Beijing 100190, Peoples R China ; [Ge, Cuicui ; Li, Wei ; Li, Yufeng ; Du, Jiangfeng ; Qiu, Yang ; Liu, Ying ; Chen, Chunying] Natl Ctr Nanosci & Technol China, Beijing 100190, Peoples R China ; [Ge, Cuicui ; Li, Wei ; Li, Yufeng ; Li, Bai ; Gao, Yuxi ; Chai, Zhifang ; Chen, Chunying] Chinese Acad Sci, Inst High Energy Phys, CAS Key Lab Nucl Analyt Tech, Beijing 100049, Peoples R China ; [Du, Jiangfeng] Univ S China, Sch Chem & Chem Engn, Hengyang 421001, Peoples R China
英文摘要	Commercially available carbon nanotubes (CNT) often contain some quantities of metallic and carbonaceous impurities. These impurities influence their physicochemical properties and performance, and accordingly a number of potential applications. The lack of information of metal impurities may also preclude accurate environmental and health risk assessments for specific CNT materials. To address these needs, a quantitative analysis of the metal contents has been made in a number of commercial carbon nanotubes produced by different manufacturers. More than 20 metals or metalloids were determined by neutron activation analysis. The results indicate arranging from 0.44 to 3 wt% of catalyst residues remained although the producers claim to provide a catalyst-free product. Most of the impurity elements are transition metals, such as Fe, Ni, Mo, Y, Co and Cr. In addition to the expected catalyst residues, other unexpected impurity elements were detected including As, Gd, W, Yb, Sm and so on. Metallic impurities in carbon nanotube materials should come from the large-scale production procedures, post fabrication and post-purification treatments. The analytical results determined by inductively-coupled plasma mass spectrometry show that a further deep purification using conventional acid reflux cannot completely remove the metallic impurities from carbon nanotubes. Post-production clean up is difficult and often incompletely.
学科主题	Chemistry; Science & Technology - Other Topics; Materials Science; Physics
类目[WOS]	Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
原文出处	SCI
语种	英语
WOS记录号	WOS:000288102300082
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/239737]
专题	高能物理研究所_院士高能物理研究所_实验物理中心高能物理研究所_加速器中心高能物理研究所_多学科研究中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Ge CC,Li W,Li YF,et al. Significance and Systematic Analysis of Metallic Impurities of Carbon Nanotubes Produced by Different Manufacturers[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2011,11(3):2389-2397.
APA	葛翠翠.,李炜.,李玉锋.,李柏.,邱杨.,...&Chen, CY.(2011).Significance and Systematic Analysis of Metallic Impurities of Carbon Nanotubes Produced by Different Manufacturers.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,11(3),2389-2397.
MLA	葛翠翠,et al."Significance and Systematic Analysis of Metallic Impurities of Carbon Nanotubes Produced by Different Manufacturers".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 11.3(2011):2389-2397.