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Synthesis and characterization of SWCNTs with Ho/Ni as catalyst
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2006 (English)In: New Carbon Materials, ISSN 1007-8827, Vol. 21, no 1, 70-74 p.Article in journal (Refereed) Published
Abstract [en]

SWCNTs were synthesized with high yield by DC arc discharge using Ho/Ni as catalysts. The morphologies, diameter distribution and the content of SWCNTs in the products were characterized by SEM, Raman scattering and TGA. Results indicate that SWCNTs can be efficiently synthesized with Ho/Ni as catalysts. The volume content of SWCNTs in a "web-like" form is as high as 80% in the product. Furthermore, the diameter distribution of SWCNTs, estimated by analyzing the resonance Raman scattering using excitation wavelengths of 632 and 488nm, varies from 1.35 to 1.69nm with a dominant diameter of 1.5nm, which is different from that of the SWCNTs synthesized with Ce/Ni as catalyst, proving that the diameter distribution of SWCNTs is dependent on the properties of the metal catalysts.

Place, publisher, year, edition, pages
2006. Vol. 21, no 1, 70-74 p.
Keyword [en]
Synthesis, single-walled carbon nanotubes, SWNT, arc discharge, catalyst, Raman spectroscopy, TGA, TEM
National Category
Condensed Matter Physics
URN: urn:nbn:se:umu:diva-12466OAI: diva2:152137

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Available from: 2008-01-23 Created: 2008-01-23 Last updated: 2015-09-28Bibliographically approved

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Yao, MingguangSundqvist, Bertil
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Department of Physics
Condensed Matter Physics

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