Investigation of hydrogen physisorption active sites on the surface of porous carbonaceous materials

被引：48
|
作者：
Qu, Deyang [1 ]
机构：
[1] Univ Massachusetts, Dept Chem, Boston, MA 02125 USA
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2008年 / 14卷 / 03期
关键词：
active sites; hydrogen adsorption; monolayers; physisorption; porous carbon;
D O I：
10.1002/chem.200701042
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：1040 / 1046
页数：7
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