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  • 专利标题:   Purifying impure sample of carbon nanotubes, e.g. single walled nanotubes for electronic nano devices, by annealing in air or oxygen-containing gas, and heating in medium which oxidizes graphene using non-contact electromagnetic heating.
  • 专利号:   WO2004052781-A1, AU2003290249-A1, EP1583716-A1
  • 发明人:   KHLOBYSTOV A N, AUSTWICK M R, BRIGGS G A D, KHLOBYSTOV A N D O M, AUSTWICK M R D O M
  • 专利权人:   ISIS INNOVATION LTD, ISIS INNOVATION LTD, ISIS INNOVATION LTD
  • 国际专利分类:   C01B031/02
  • 专利详细信息:   WO2004052781-A1 24 Jun 2004 C01B-031/02 200449 Pages: 25 English
  • 申请详细信息:   WO2004052781-A1 WOGB05409 12 Dec 2003
  • 优先权号:   GB029033

▎ 摘　　要

NOVELTY - An impure sample of carbon nanotubes is purified by annealing them in air or another oxygen-containing gas which, apart form oxygen, is inert to carbon nanotubes under the conditions used; and heating them in a medium which oxidizes graphene only at at least 330 degreesC at atmospheric pressure or an equivalent medium using a form of non-contact electromagnetic heating. USE - The invention is used for purifying impure sample of carbon nanotubes, e.g. single walled nanotubes (claimed) used for electronic nanodevices. ADVANTAGE - The invention provides nanotubes that are very well dispersed, and free of amorphous impurities.