Paper Title:
Synthesis of Carbon Encapsulated Nickel Nanoparticles by Laser Ablation in Liquid
  Abstract

Carbon encapsulated nickel nanoparticles (CENNPs) with high purity were fabricated by laser ablation of nickel target in ethanol. The size of CENNPs varies from tens to hundreds of nanometers, and CENNPs show two kinds of typical morphologies i. e. a nickel core with a carbon shell or a nickel core with two carbon shells. Transmission electron microscopy indicated that the CENNPs formed as a result of laser evaporation of the nickel target and the decomposition of ethanol, whose carbon atoms mixed with the nickel vapor, and Ni/C liquid droplets appeared during the cooling stage. The carbon shells formed by precipitation of carbon atoms on the surface of the nickel cores led to the formation of CENNPs.

  Info
Periodical
Chapter
Chapter 24: Semiconductor Materials Manufacturing
Edited by
Wu Fan
Pages
5487-5494
DOI
10.4028/www.scientific.net/AMM.110-116.5487
Citation
K. Y. Niu, J. Sun, X. W. Du, "Synthesis of Carbon Encapsulated Nickel Nanoparticles by Laser Ablation in Liquid", Applied Mechanics and Materials, Vols. 110-116, pp. 5487-5494, 2012
Online since
October 2011
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$32.00
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