期刊
NANOMATERIALS
卷 8, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/nano8050275
关键词
mesoporous carbon; Mg doping; steam activation; basic site; microporosity; CO2 adsorption
类别
资金
- National Natural Science Foundation of China [21403267, 21650110459]
- Qingdao Applied Basic Research Projects [17-1-1-75-jch]
- CAS President's International Fellowship Initiative [2016PT015]
Mesoporous carbons (MC) have attracted a tremendous amount of interest due to their efficient molecular transport properties. However, the limited number of active sites and low microporosity generally impede their use for practical applications. Herein, we have fabricated Mg and N co-doped mesoporous carbon (Mg-NMC) with high microporosity via one-pot synthetic route followed by further steam activation. In comparison with the parent N-doped mesoporous carbon, Mg-NMC shows partially ordered mesostructure and improved CO2 adsorption capacity attributed to the introduction of basic site after Mg doping. Upon further steam activation, the microporosity is enhanced to 37.3%, while the CO2 adsorption capacity is also increased by 70.4% at 273 K and 1.0 bar.
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