Journal
APPLIED PHYSICS EXPRESS
Volume 2, Issue 12, Pages -Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.2.125002
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- New Energy and Industrial Technology Development Organization (NEDO) of Japan
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We have developed a novel method to separate metallic and semiconducting single-wall carbon nanotubes (SWCNTs) with high purities using agarose gel. When an SWCNTs/sodium dodecyl sulfate (SDS) dispersion was applied to a column containing agarose gel beads, semiconducting SWCNTs were trapped by the beads, while metallic SWCNTs passed through the column. After the semiconducting SWCNTs adsorbed to the beads were eluted with sodium deoxycholate solution, the column could be used for repeated separation. Because this continuous, repeatable separation method is applicable to a low-cost, large-scale process, it should enable the industrial production of metallic and semiconducting SWCNTs. (C) 2009 The Japan Society of Applied Physics DOI: 10.1143/APEX.2.125002
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