Open Access

Single step process for the synthesis of carbon nanotubes and metal/alloy-filled multiwalled carbon nanotubes

  • M. M. Shaijumon1,
  • A. Leela Mohana Reddy1 and
  • S. Ramaprabhu1Email author
Nanoscale Research Letters20072:75

DOI: 10.1007/s11671-006-9033-5

Received: 13 September 2006

Accepted: 1 December 2006

Published: 6 January 2007

Abstract

A single-step approach for the synthesis of multi-walled nanotubes (MWNT) filled with nanowires of Ni/ternary Zr based hydrogen storage alloy has been illustrated. We also demonstrate the generation of CO-free hydrogen by methane decomposition over alloy hydride catalyst. The present work also highlights the formation of single-walled nanotubes (SWNT) and MWNTs at varying process conditions. These carbon nanostructures have been characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), high resolution TEM (HRTEM), Energy dispersive X-ray analysis (EDX) and Raman spectroscopy. This new approach overcomes the existing multi-step process limitation, with possible impact on the development of future fuel cell, nano-battery and hydrogen sensor technologies.

Keywords

Carbon nanotubes Nanowires Encapsulation Hydrogen production Alloys Chemical vapour deposition

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Declarations

Acknowledgements

We gratefully acknowledge financial support received from DRDO, RCI, NMRL and MHRD, Govt. of India for the present work.

Authors’ Affiliations

(1)
Department of Physics, Alternative Energy Technology Laboratory, Indian Institute of Technology Madras

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