The Dependence of the Hydrogen Sorption Capacity of Single-Walled Carbon Nanotubes on the Concentration of Catalyst

Abstract

The adsorption of hydrogen on single-walled carbon nanotubes was measured using micro-gravimetric nitrogen and hydrogen adsorption isotherms at 77K for gas pressures of up to 1 bar (nitrogen) and 12 bar (hydrogen). Results show that surface area and hydrogen uptake depend on the concentration of the iron catalyst used for making the nanotubes. Langmuir fits… (More)

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