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题名: A novel form of carbon micro-balls from coal
作者: Qiu, HS;  Li, YF;  Wang, YP;  Liang, CH;  Wang, TH;  Wang, D
关键词: carbon microbeads ;  coal ;  are discharge ;  scanning electron microscopy
刊名: CARBON
发表日期: 2003
DOI: 10.1016/S0008-6223(02)00392-5
卷: 41, 期:4, 页:767-772
收录类别: SCI
文章类型: Article
部门归属: 503
项目归属: 503
产权排名: 2;4
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: A novel form of ball-like carbon material with its size in micrometer range was prepared from coal with nickel as catalyst by arc plasma method. The carbon material has been systematically studied by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD) and ultraviolet laser Raman spectroscopy. The SEM observation shows that the novel carbon material exists in various forms such as individual balls, net-like and plate-like forms, all of which have a quite smooth surface. The diameters of these carbon spheres are quite uniform and in a narrow range of 10-20 mum. The EDS analysis reveals that the ball-like carbon material contains more than 99.5% of carbon and a little amount of other elements such as nickel, silicon and aluminum, The XRD and UV-Raman results reveal that the novel carbon material is a kind of highly graphitized carbon. The growth mechanism of the ball-like carbon material was proposed and discussed in terms of arc plasma parameters and the chemical structure of coal-based carbon. (C) 2002 Elsevier Science Ltd. All rights reserved.
关键词[WOS]: FULLERENES ;  NANOTUBES ;  PITCH
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000182027500016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82905
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Carbon Res Lab, Dept Mat Sci & Chem Engn, Sch Chem Engn, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Dalian Univ Technol, Mat Test Ctr, Dalian 116024, Peoples R China

Recommended Citation:
Qiu, HS,Li, YF,Wang, YP,et al. A novel form of carbon micro-balls from coal[J]. CARBON,2003,41(4):767-772.
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