Hot-Wire Chemical Vapor Synthesis for a Variety of Nano-Materials with Novel Applications

A. C. Dillon, A. H. Mahan, R. Deshpande, J. L. Alleman, J. L. Blackburn, P. A. Parillia, M. J. Heben, C. Engtrakul, K. E.H. Gilbert, K. M. Jones, R. To, S. H. Lee, J. H. Lehman

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34 Scopus Citations


Hot-wire chemical vapor deposition (HWCVD) has been demonstrated as a simple economically scalable technique for the synthesis of a variety of nano-materials in an environmentally friendly manner. For example we have employed HWCVD for the continuous production of both carbon single- and multi-wall nanotubes (SWNTs and MWNTs). Unanticipated hydrogen storage on HWCVD-generated MWNTs has led insight into the adsorption mechanism of hydrogen on metal/carbon composites at near ambient temperatures that could be useful for developing a vehicular hydrogen storage system. Recent efforts have been focused on growing MWNT arrays on thin nickel films with a simple HWCVD process. New data suggests that these MWNT arrays could replace the gold black coatings currently used in pyroelectric detectors to accurately measure laser power. Finally, we have very recently employed HWCVD for the production of crystalline molybdenum and tungsten oxide nanotubes and nanorods. These metal oxide nanorods and nanotubes could have applications in catalysis, batteries and electrochromic windows or as gas sensors. A summary of the techniques for growing these novel materials and their various potential applications is provided.

Original languageAmerican English
Pages (from-to)216-220
Number of pages5
JournalThin Solid Films
Issue number1-2
StatePublished - 2006
EventProceedings of the Third International Conference on Hot-Wire -
Duration: 23 Aug 200427 Aug 2004

NREL Publication Number

  • NREL/JA-590-39629


  • Carbon nanotubes
  • Hot-wire chemical vapor deposition
  • Metal oxide nanorods


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