On the preparation of Ni-carboxylates catalysts for growing single walled carbon nanotubes

淡江大學機構典藏 > 理學院 > 物理學系暨研究所 > 期刊論文 > Item 987654321/27467

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题名:	On the preparation of Ni-carboxylates catalysts for growing single walled carbon nanotubes
作者:	陳宗漢;Chen, Tsung-han;Chang, Shih-chin;林諭男;Lin, I-nan
贡献者:	淡江大學物理學系
关键词:	Carbon nanotubes;Chemical vapor deposition;Metal-organic precursors
日期:	2005-03-01
上传时间:	2009-12-31 10:10:39 (UTC+8)
出版者:	Elsevier
摘要:	A pretreatment process, which can convert the Ni-carboxylates into high performance Ni-cluster catalysts, is developed. The environment in heat treatment process is observed to markedly alter the catalytic behavior of the obtained Ni-clusters. The beneficial effect of using the carbonizing atmosphere (CH4/N2=150/150 sccm) in the heat treatment process is the formation of encapsulating carbonaceous layer around the Ni-clusters, which prevents the coalescence, yet maintaining the high catalytic activity for the Ni-clusters. Such kinds of Ni-clusters facilitate the growth of defectless CNTs, which contain mostly hexagons.
關聯:	Diamond and Related Materials 14(3-7), pp.774-777
DOI:	10.1016/j.diamond.2004.12.033
显示于类别:	[物理學系暨研究所] 期刊論文

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