Study of Ni clusters electrodeposited on Carbon fibres by Transmission Electron Microscopy


https://doi.org/10.4081/microscopie.2009.4966
Vol. 12 No. 2 (2009)
Published: 30 September 2009
Ni clusters, electrodeposition, TEM, catalysts, catalysed carbon nanostructures.
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Authors

  • M. Re
    marilena.re@enea.it
    ENEA, FIM Department, C.R.Brindisi, Brindisi, Italy.
  • M.F. De Riccardis ENEA, FIM Department, C.R.Brindisi, Brindisi, Italy.
  • V. Martina ENEA, FIM Department, C.R.Brindisi, Brindisi, Italy.
  • E. Pesce ENEA, FIM Department, C.R.Brindisi, Brindisi, Italy.
  • D. Carbone ENEA, FIM Department, C.R.Brindisi, Brindisi, Italy.
  • D. Wall FEI, Building AAE Achtseweeg Noord 5, Eindohven, Netherlands.
In this work a TEM characterization is reported in order to investigate about the morphology and the structure of electrodeposited Ni on a carbon substrate. In particular more attention has been paid on the nature of the interface between electrodeposited Ni clusters and a PAN carbon-based fibre in order to understand and to explain better the strong adhesion of this electrodeposit to the substrate. FIB preparation for TEM observation was required to obtain this kind of information about the interface of this materials system with this particular geometry. From our results, with the support of findings obtained with other characterization techniques, the strong bond of the electrodeposit to the substrate can be related to the presence of Ni hydroxides at the interface. So it can be confirmed that electrodeposited Ni, thank to its good adhesion to the substrate due to the hydroxides presence, is a suitable catalyst in the catalysed growth of carbon nanostructures.

Re, M., De Riccardis, M., Martina, V., Pesce, E., Carbone, D., & Wall, D. (2009). Study of Ni clusters electrodeposited on Carbon fibres by Transmission Electron Microscopy. Microscopie, 12(2), 54–59. https://doi.org/10.4081/microscopie.2009.4966

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