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The influence of the iron based nanoparticles density in growth of carbon nanotubes by C-LCVD method

I. P. MORJAN1,2,* , A. BADOI1, C. CEAUS3

Affiliation

  1. National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor St., P.O. Box MG-36, R-077125 Bucharest, Romania
  2. IMT-Bucharest, 126A, Erou Iancu Nicolae street, 077190, PO-BOX 38-160, 023573, Bucharest, Romania
  3. Univ Bucharest, Fac Phys, 3NANO-SAE Res Ctr, R-077125 Bucharest, Romania

Abstract

The synthesis of carbon nanotubes (CNTs) by catalytic laser induced chemical vapour deposition (C-LCVD) was investigated. The catalysts used in this study are Fe2O3 nanoparticles with a mean particle diameter of about 5 nm. Two catalyst suspensions were employed for the sake of comparison: one concentrated (20 g/l) and another one 10x diluted. The nanotubes were catalytically grown directly on a Si/SiO2 substrate from C2H2/NH3 gaseous precursors. Structural characterization of the samples by SEM, TEM and Raman spectroscopy was performed..

Keywords

Carbon nanotubes, Iron based nano-catalyst, Catalytic Laser induced Chemical Vapour Deposition.

Submitted at: March 18, 2013
Accepted at: March 13, 2014

Citation

I. P. MORJAN, A. BADOI, C. CEAUS, The influence of the iron based nanoparticles density in growth of carbon nanotubes by C-LCVD method, Journal of Optoelectronics and Advanced Materials Vol. 16, Iss. 3-4, pp. 429-434 (2014)