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Updated: Aug 7, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Hydrogen-bonded and physisorbed CO in single-walled carbon nanotube bundles
Christopher Matranga1, Bradley Bockrath
1National Energy Technology Laboratory, United States Department of Energy, P. O. Box 10940, Pittsburgh, Pennsylvania 15236, USA. matranga@netl.doe.gov
Abstract:
Fourier transform infrared spectroscopy is used to study CO adsorption in single-walled carbon nanotubes. Evidence for adsorption in endohedral and groove/external surface sites is presented through displacement studies involving both CO and CO2. Blue-shifted CO stretching frequencies also indicate that CO hydrogen bonds to hydroxyl functionalities created on the nanotubes by acid purification steps. N2 surface area measurements are used to further understand the porosity of the nanotube samples and to help explain the spectroscopic results.
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