Hydrogen-bonded and physisorbed CO in single-walled carbon nanotube bundles

Article Abstract:

Fourier transform infrared spectroscopy is used to study CO adsorption in single-walled carbon nanotubes. The results show that CO primarily psysisorbs in endohedral sites in unprocessed samples, in groove/external surface sites in acid treated samples, and in the endohedral and groove/eternal surface sites in acid treated samples after vacuum heating.

Carbon Monoxide, Usage

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Trapped CO2 in carbon nanotube bundles

Article Abstract:

An infrared spectroscopic study of CO2 that becomes permanently trapped in carbon nanotube bundles during thermolysis is presented. Computer simulations and experiments point to sequential filling of sites for gas-phase CO2 adsorption on heated tubes with small defect interstitial sites filling before endohedral sites.

Spectrum analysis, Spectroscopy, Structure

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Permanent trapping of CO2 in single-walled carbon nanotubes synthesized by the HiPco process

Article Abstract:

Infrared spectroscopy is used to examine trapped and physisorbed Co2 in single-walled carbon nanotube bundles synthesized by the HiPco process. The sites responsible for the infrared peaks of the physisorbed and trapped species are discussed.

Chemical synthesis, Properties

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