Bulletin of Materials Science

, Volume 22, Issue 3, pp 329–333 | Cite as

Mono-dispersed single-wall carbon nanotubes formed in channels of zeolite crystal: Production, optical and electrical transport properties

  • Z K Tang
  • H D Sun
  • J Wang
  • J Chen
  • G Li
Soft Condensed Matter Including Gels


Carbon nanotube materials can now be produced in macroscopic quantities. However, the raw material has a disordered structure and unsorted size, which restrict investigations of both the properties and applications of the nanotubes. In this paper, an alternative approach to the synthesis of mono-sized and parallel-aligned single wall carbon nanotubes (SWCNs) is reported. The SWCNs are formed in 1 nm-sized channels of aluminophosphate zeolite crystallites by pyrolysis of tripropylamine molecules. As verified by tunnel electron microscopy and micro-Raman scattering, the SWNT is of zigzag structure. Electrical transport properties of the SWNT are measured in the temperature range of 0·3K∼300K. The temperature-dependent dc conductivity shows that the SWNT is an intrinsic semiconductor with a narrow band-gap of 52 meV. The well-aligned and mono-sized SWCNs allow us to make more controlled characterization as well as open a door to potential nano-technological application for the novel electronic nanotube system.


Carbon nanotubes zeolite crystal 


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Copyright information

© Indian Academy of Sciences 1999

Authors and Affiliations

  • Z K Tang
    • 1
  • H D Sun
    • 1
  • J Wang
    • 1
  • J Chen
    • 1
    • 2
  • G Li
    • 1
    • 2
  1. 1.Physics DepartmentHong Kong University of Science and TechnologyKowloon Hong KongChina
  2. 2.Department of ChemistryJilin UniversityChangchunChina

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