Hydrogenation, single-walled carbon

High-Pressure Hydrogenated Single-Walled Carbon Nanotubes and Nanofibers... 

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Very recently author of this review successfully hydrogenated fullerenes inside of single walled carbon nanotubes (so called peapods). Evidence of hydrogenation was provided by NMR studies and Raman spectroscopy (Abou-Hamad et al. 2009). 

Abstract High-pressure hydrogenation of the single-walled carbon nanotubes, graphite nanofibers and fullerenes C60 was developed. Produced samples have been studied by their combustion, gas thermodesorption, mass-spectroscopy, X-ray, IR and Raman scattering spectroscopes. 

Fig. 11.2 Temperature dependence of the gas pressure in a preliminarily evacuated volume (left vertical scale) and its recalculation into the amount of hydrogen evolved from the sample (right scale) upon heating at a rate of 20 K/min for single-walled carbon nanotubes (SWNTs) and graphite nanofibers (GNFs, two heating cycles) saturated with hydrogen at a pressure of 9 GPa and temperatures up to 450°C...

Fig. 11.5 IR diffuse reflection spectra of graphite nanofibers and single-walled carbon nanotubes in the initial state, after saturation with hydrogen at 9 GPa, after removal of about 40% of absorbed hydrogen, and after degassing annealing. T = 300 K...

Toward Understanding of Hydrogen Storage in Single-Walled Carbon Nanotubes by Investigations of Chemisorption Mechanism... 

Fig. 14.9 The variation of H-chemisorption energies at the B3LYP/6-31G(d) level for the chemisorption of one and two hydrogen atoms on the external surface of (3, 3), (4, 4), (5, 5) and (6, 6) armchair single-walled carbon nanotubes (SWNTs) of 9 and 15 carbon layers...

V. Barone et al., Interaction of atomic hydrogen with single-walled carbon nanotubes A density functional theory study. J. Chem. Phys. 120, 7169 (2004)... 

S.S. Han, H.M. Lee, Adsorption properties of hydrogen on (10, 0) single-walled carbon nanotube through density functional theory. Carbon 42, 2169 (2004)... 

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