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PLD Growth of CNTs using a Nanostuctured Ni Buffer Layer: Dependence of H2 partial Pressure

Published online by Cambridge University Press:  01 February 2011

Maneesh Chandran ,
K. Mohan Kant ,
N. Rama  and
M.S. Ramachandra Rao
Maneesh Chandran
Affiliation:
Indian Institute of Technology Madras (IITM), Physics, Department of Physics and Materials Science Research Centre,, Chennai, Tamil Nadu, 600 036, India, +91 442257 4872
K. Mohan Kant
Affiliation:
[email protected], Indian Institute of Technology Madras, Department of Physics, Chennai, 600036, India
N. Rama
Affiliation:
[email protected], Indian Institute of Technology Madras, Department of Physics, Chennai, 600036, India
M.S. Ramachandra Rao
Affiliation:
[email protected], Indian Institute of Technology Madras, Department of Physics, Chennai, 600036, India
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Abstract

The effect of hydrogen partial pressure on the growth of CNT thin films using on-axis PLD has been studied. Using nickel as buffer layer, carbon nanotubes can be produced with good yield in Hydrogen atmosphere. We have found strong visible-near infrared (NIR) photoluminescence (PL) from carbon nanotube thin films synthesized under various hydrogen partial pressures. The present result shows that bright, narrow PL from CNTs can be obtained without any post growth processing.

Keywords

thin filmnanoscaletransmission electron microscopy (TEM)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 951: Symposium E – Nanofunctional Materials, Nanostructures and Novel Devices for Biological and Chemical Detection , 2006 , 0951-E06-15
Copyright
Copyright © Materials Research Society 2007

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References

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