Controllable synthesis of single-, double- and triple-walled carbon nanotubes from asphalt

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	Controllable synthesis of single-, double- and triple-walled carbon nanotubes from asphalt
	Xu, K ; Li, YF ; Xu, CM ; Gao, JS ; Liu, HW ; Yang, HT ; Richard, P
刊名	CHEMICAL ENGINEERING JOURNAL
	2013
卷号	225 页码:210
关键词	Asphalt Carbon nanotubes Arc discharge Buffer gas
ISSN号	1385-8947
通讯作者	Li, YF (reprint author), China Univ Petr, Coll Chem Engn, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China.
中文摘要	Single-, double- and triple-walled carbon nanotubes (SWNTs, DWNTs and TWNTs) have been controllably synthesized by an arc discharge method using asphalt as carbon source. The morphology and structure of three kinds of products synthesized with Fe as catalyst were characterized by scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), Raman spectroscopy and energy dispersive X-ray spectroscopy (EDX). It was found that different buffer gases strongly affect the number layers in the synthesized nanotubes. In the He gas atmosphere only SWNTs were found to be synthesized by arc discharge in contrast to the case in Ar gas atmosphere in which only TWNTs were formed. In N-2 atmosphere both SWNTs and DWNTs were synthesized. Our findings indicate that asphalt is a suitable industrial carbon source for the growth of different type nanotubes. (c) 2013 Elsevier B.V. All rights reserved.
资助信息	National Natural Science Foundation of China [21106184, 11274362]; Science Foundation Research Funds [YJRC-2011-18]; Foundation for the Author of National Excellent Doctoral Dissertation of PR China [201252]; Thousand Talents Program
语种	英语
公开日期	2014-01-16
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/56840]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Xu, K,Li, YF,Xu, CM,et al. Controllable synthesis of single-, double- and triple-walled carbon nanotubes from asphalt[J]. CHEMICAL ENGINEERING JOURNAL,2013,225:210.
APA	Xu, K.,Li, YF.,Xu, CM.,Gao, JS.,Liu, HW.,...&Richard, P.(2013).Controllable synthesis of single-, double- and triple-walled carbon nanotubes from asphalt.CHEMICAL ENGINEERING JOURNAL,225,210.
MLA	Xu, K,et al."Controllable synthesis of single-, double- and triple-walled carbon nanotubes from asphalt".CHEMICAL ENGINEERING JOURNAL 225(2013):210.