Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 14, Issue 3, Pages 1040-1046Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200701042
Keywords
active sites; hydrogen adsorption; monolayers; physisorption; porous carbon
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Hydrogen physisorption in different carbonaceous materials was investigated in liquid nitrogen (77 K). The total hydrogen adsorption was found to have a linear relationship with the surface area of pores < 30 angstrom. The surface area and porosity of the carbon materials were determined by dinitrogen adsorption at 77 K and density function theory (DFT). The active sites for hydrogen adsorption were investigated and found to be related to the edge orientation of defective graphene micro-sheet domains.
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