Polymerization of carbon nanotubes through self-irradiation

Article Abstract:

The formation of cross-links between neighboring carbon nanotubes within a bundle is analyzed and the probability of polymerizing carbon nanotubes through irradiation is discussed along with the most common defects created. It was found that cross-links are developed in the perpendicular direction to the surface, and for higher energies, defects are developed deeper in the rope and the final defects geometries will be able to give a practical feedback to electronic density first principle computations.

Petroleum Refineries, Petroleum refining, Polymerization, Electric properties, Irradiation, Carbon compounds, Irradiation (Radiation exposure)

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Electronic interactions in tertiary oligophenylureas

Article Abstract:

The syntheses, structures and spectroscopy of a series of oligomeric tertiary oligophenylureas possessing one to five phenyl rings are reported. It is concluded that the nature of the electronic interactions within the oligophenylureas is influenced by an unusual folded geometry in which the phenyl rings adopt a splayed face-to-face relationship.

Analysis, Spectrum analysis, Spectroscopy, Oligomers, Structure, Phenyl compounds

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