Carbon nanofilaments are produced at 600degreesC by catalytic decomposition of acetylene on palladium nanoparticles. We observe that nanofilament length is limited to a few hundreds of nm when the size of Pd germs is less than 10 nm, possibly due to the incorporation of Pd atoms during growth. We propose a growth model, supported by first-principles calculations which show that Pd atoms are stable when adsorbed on graphene and that a charge transfer occurs, modifying significantly the electronic properties. (C) 2004 American Institute of Physics.
Breton, Y., Fleurier, R., Salvetat, J., Thomann, A., Verstraete, M. J., & Charlier, J.-C. (2004). Catalyst consumption during growth of carbon nanofilaments on Pd seeds. Applied Physics Letters, 85(22), 5376-5378. https://doi.org/10.1063/1.1829381 (Original work published 2004)