Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 11, Issue 13, Pages 1913-1920Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201600427
Keywords
adsorption; carbon; gas selectivity; Lewis bases; metal-organic frameworks
Categories
Funding
- National Natural Science Foundation of China [21473254, 21401215]
- Special Project Fund of Taishan Scholars of Shandong Province
- Fundamental Research Funds for the Central Universities
Ask authors/readers for more resources
The development of functional porous carbon with high CO2/N-2 selectivity is of great importance for CO2 capture. In this paper, a type of porous carbon with doped pyridinic sites (termed MOFC) was prepared from the carbonization of a pyridyl-ligand based MOF. Four MOFCs derived from different carbonizing temperatures were prepared. Structural studies revealed high contents of pyridinic-N groups and nearly the same pore-size distributions for these MOFCs. Gas-sorption studies revealed outstanding CO2 uptake at low pressures and room temperature. Owing to the high content of pyridinic-N groups, the CO2/N-2 selectivity on these MOFCs exhibits values of about 40-50, which are among the top values in carbon materials. Further correlation studies demonstrated that the CO2/N-2 selectivities show a positive linear relationship with the surface density of pyridinic-N groups, thus validating the synergistic effect of the doped pyridinic-N groups on CO2 adsorption selectivity.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available