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    • Improved synthesis of carbon nanotubes with junctions and of single-walled carbon nanotubes

      F L Deepak A Govindaraj C N R Rao

      Volume 118 Issue 1 January 2006 pp 9-14

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/118/01/0009-0014

    • Keywords

       

      Carbon nanotubes; T- & Y-junctions of nanotubes; single-walled carbon nanotubes

    • Abstract

       

      Pyrolysis of thiophene over nickel nanoparticles dispersed on silica is shown to yield Y-junction carbon nanotubes with smaller diameters than those obtained by the pyrolysis of organometallic-thiophene mixtures. In the presence of water vapour, the pyrolysis of organometallic-hydrocarbon mixtures yields single-walled nanotubes, as well as relatively narrow-diameter carbon nanotubes with Y-junctions. Pyrolysis of organometallic-hydrocarbon mixtures, in the absence of water vapour, only gives nanotubes with T- and Y-junctions.

    • Author Affiliations

       

      F L Deepak1 A Govindaraj1 2 C N R Rao1 2

      1. Chemistry and Physics of Materials Unit and DST Unit on Nanosciences, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur PO, Bangalore - 560 064
      2. Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore - 560 012

    • Dates

       
      Published
      January 2006

  • Journal of Chemical Sciences | News

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