Electronic structure of hollow graphitic carbon nanoparticles fabricated from acetylene carbon black

Bogdan Ilkiv, Svitlana Petrovska, Ruslan Sergiienko, Oleksandr Foya, Oleksandra Ilkiv, Etsuro Shibata, Takashi Nakamura, Yaroslav Zaulychnyy

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13 Citations (Scopus)


Hollow graphitic carbon nanoparticles (HGCNs) obtained by catalytic graphitization of acetylene carbon black (ACB) were investigated using ultra-soft X-ray emission spectroscopy. The electronic structures of the ACB HGCNs were compared with those of HGCNs obtained from iron carbide-filled carbon nanocapsules (Fe3CCNCs) and Q-graphenes. The occupation of the φ subband decreased in the following sequence: Fe3CCNC HGCNs > ACB HGCNs > Q-graphenes. This sequence can be explained by changes in the occupations of the C2p states due to the formation of bonds between carbon and residual metal atoms within the HGCNs. It was also found that the contribution of the overlapping of ppφ+ppς-states in the ACB HGCN walls toward the spectra of the HGNCs was greater in comparison with the reference Q-graphenes. It was established that ACB was not fully transformed into the HGCNs. Scanning and transmission electron microscopy methods were used to study the spatial structures and morphologies of the fabricated HGCNs.

Original languageEnglish
Pages (from-to)449-454
Number of pages6
JournalFullerenes Nanotubes and Carbon Nanostructures
Issue number5
Publication statusPublished - 2015


  • Carbon black
  • Electronic structure
  • Graphitic carbon nanoparticle
  • Hollow structure
  • Scanning electron microscopy (SEM)
  • Transmission electron microscopy (TEM)
  • X-ray emission spectroscopy


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