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Ben Romdhane F, Rodríguez-Manzo JA, Andrieux-Ledier A, et al. The formation of the smallest fullerene-like carbon cages on metal surfaces. Nanoscale. 2016;8(5):2561-7doi: 10.1039/c5nr08212a.
Ben Romdhane, F., Rodríguez-Manzo, J. A., Andrieux-Ledier, A., Fossard, F., Hallal, A., Magaud, L., Coraux, J., Loiseau, A., & Banhart, F. (2016). The formation of the smallest fullerene-like carbon cages on metal surfaces. Nanoscale, 8(5), 2561-7. https://doi.org/10.1039/c5nr08212a
Ben Romdhane, F, et al. "The formation of the smallest fullerene-like carbon cages on metal surfaces." Nanoscale vol. 8,5 (2016): 2561-7. doi: https://doi.org/10.1039/c5nr08212a
Ben Romdhane F, Rodríguez-Manzo JA, Andrieux-Ledier A, Fossard F, Hallal A, Magaud L, Coraux J, Loiseau A, Banhart F. The formation of the smallest fullerene-like carbon cages on metal surfaces. Nanoscale. 2016 Feb 07;8(5):2561-7. doi: 10.1039/c5nr08212a. PMID: 26785923.
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Nanoscale. 2016 Feb 07;8(5):2561-7. doi: 10.1039/c5nr08212a.

The formation of the smallest fullerene-like carbon cages on metal surfaces.

Nanoscale

F Ben Romdhane, J A Rodríguez-Manzo, A Andrieux-Ledier, F Fossard, A Hallal, L Magaud, J Coraux, A Loiseau, F Banhart

Affiliations

  1. Institut de Physique et Chimie des Matériaux, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Strasbourg, France. [email protected].
  2. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA.
  3. LEM, ONERA-CNRS, 29 avenue de la Division Leclerc, Châtillon, France.
  4. Institut Néel, Université de Grenoble, CNRS, 38042 Grenoble, France.

PMID: 26785923 DOI: 10.1039/c5nr08212a

Abstract

The nucleation and growth of carbon on catalytically active metal surfaces is one of the most important techniques to produce nanomaterials such as graphene or nanotubes. Here it is shown by in situ electron microscopy that fullerene-like spherical clusters with diameters down to 0.4 nm and thus much smaller than C60 grow in a polymerized state on Co, Fe, or Ru surfaces. The cages appear on the surface of metallic islands in contact with graphene under heating to at least 650 °C and successively cooling to less than 500 °C. The formation of the small cages is explained by the segregation of carbon on a supersaturated metal, driven by kinetics. First principles energy calculations show that the clusters polymerize and can be attached to defects in graphene. Under compression, the polymerized cages appear in a crystalline structure.

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