Mechanical interactions in all-carbon peapods

Article Abstract:

Number of peapods made with general (n,m) tubes, and characterized by different filling ratios is investigated computationally, and structures and energetics of several types of all-carbon peapods made by C60s encapsulated inside single-wall carbon nanotubes are calculated. The results indicate that C60-C60 interactions determine the preferred rotational orientations of the encapsulated molecules.

Science & research, Research, Mechanical properties, Carbon compounds

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Identification of large fullerenes formed during the growth of single-walled carbon nanotubes in the HiPco process

Article Abstract:

A small fraction of high-molecular-weight closed shell carbon clusters are formed along with the single-walled carbon nanotubes during the catalytic, high-pressure decomposition of carbon monoxide. The fullerenic clusters and can be desorbed by laser irradiation thus providing for a quantitative estimation by LDI-TOF mass spectrometry with appropriate markers.

Analytical Laboratory Instrument Manufacturing, Analytical instruments, Ion Mass Spectroscopy, Mass spectrometry, Chemical properties, Fullerenes

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Dissolution of pristine single walled carbon nanotubes in superacids by direct protonation

Article Abstract:

Strong - tube - tube van der Waal attractions that hinder the dissolution of single walled carbon nanotubes (SWNTs) as individuals have been overcome by the direct protonation of the tubes by superacids. A dissolution tube exits as protonated polycardocations, charge balanced by corresponding conjugate base anions.

Analysis, Solubility, Organic acids, Acetohydroxamic acid

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