期刊
CHEMICAL PHYSICS LETTERS
卷 326, 期 3-4, 页码 351-357出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(00)00817-4
关键词
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The effect of Ni and Y concentrations in bimetallic Ni-Y catalyst on single-wall carbon nanotube (SWNT) generation is studied. When we added small amount of Y with the order of 0.1 atomic % (at%) against C, the generation rate of soot in are discharge was enhanced by a factor of 2-3 as compared with that of only C. Addition of Ni well enhanced the generation of SWNTs. The tube diameter distribution was controlled by changing Y concentration (0-9.0 at%), but was not sensitive to Ni concentration (0.2-3.0 at%). The mean tube diameter was increased with increasing Y concentration. (C) 2000 Published by Elsevier Science B.V.
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