Hydrogenation of C 60 in peapods: Physical chemistry in nano vessels

Edy Abou-Hamad, Younghyun Kim, Alexandr V. Talyzin, Christophe Goze-Bac*, David E. Luzzi, Angel Rubio, Thomas Wågberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


Hydrogenation of C 60 molecules inside SWNT was achieved by direct reaction with hydrogen gas at elevated pressure and temperature. Evidence for the C 60 hydrogenation in peapods is provided by isotopic engineering with specific enrichment of encapsulated species and high resolution 13C and 1H NMR spectroscopy with the observation of characteristic diamagnetic and paramagnetic shifts of the NMR lines and the appearance of sp 3 carbon resonances. We estimate that approximately 78% of the C 60 molecules inside SWNTs are hydrogenated to an average degree of 14 hydrogen atoms per C 60 molecule. As a consequence, the rotational dynamics of the encapsulated C 60H x molecules is clearly hindered. Our successful hydrogenation experiments open completely new roads to understand and control confined chemical reactions at the nano scale.

Original languageEnglish (US)
Pages (from-to)8583-8587
Number of pages5
Issue number20
StatePublished - May 21 2009
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • General Energy
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films


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