An acidic adsorption layer formed in the nanospace of a carbon nanotube helps in adsorbing nitrate anion impurities (IMAGE)

Okayama University

An acidic adsorption layer formed in the nanospace of a carbon nanotube helps in adsorbing nitrate anion impurities

Caption

Acidic adsorbed layer enhances nanoconfinement of nitrate anion impurities in single-walled carbon nanotubes (SWCNT) owing to strong confinement by the pore and strong interaction between the layer and the anion. When the nitrate ions are adsorbed, the hydroxide ions are desorbed from the nanospace. Thus, the aqueous solution exhibits alkaline properties.

Credit

Takahiro Ohkubo from Okayama University Department of Chemistry, Graduate School of Natural Science and Technology, Okayama University

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