• Journal of Inorganic Materials
  • Vol. 35, Issue 4, 469 (2020)
Xiaoqing LU and Maohuai WANG
Author Affiliations
  • School of Materids Science and Engineering, China University of Petroleum, Qingdao 266580, China
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    DOI: 10.15541/jim20190214 Cite this Article
    Xiaoqing LU, Maohuai WANG. Theoretical Investigation on Adsorption and Separation of CO2/N2 in Hybrid Ultramicroporous Materials[J]. Journal of Inorganic Materials, 2020, 35(4): 469 Copy Citation Text show less
    Structures of SIFSIX-X-Cu: (a) SIFSIX-3-Cu; (b) SIFSIX-2-Cu; (c) SIFSIX-O-Cu
    1. Structures of SIFSIX-X-Cu: (a) SIFSIX-3-Cu; (b) SIFSIX-2-Cu; (c) SIFSIX-O-Cu
    Adsorption isotherms of CO2 (a) and N2 (b) in SIFSIX-X-Cu at 298 K
    2. Adsorption isotherms of CO2 (a) and N2 (b) in SIFSIX-X-Cu at 298 K
    Adsorption isotherms of single component and mixture of CO2/N2 in (a) SIFSIX-3-Cu, (b) SIFSIX-2-Cu, and (c) SIFSIX-O-Cu at 298 K
    3. Adsorption isotherms of single component and mixture of CO2/N2 in (a) SIFSIX-3-Cu, (b) SIFSIX-2-Cu, and (c) SIFSIX-O-Cu at 298 K
    Isosteric heat of (a) CO2 and (b) N2 in SIFSIX-X-Cu
    4. Isosteric heat of (a) CO2 and (b) N2 in SIFSIX-X-Cu
    CO2 adsorption sites in SIFSIX-3-Cu (a-top view, c-side view) and SIFSIX-O-Cu (b-top view, d-side view)
    5. CO2 adsorption sites in SIFSIX-3-Cu (a-top view, c-side view) and SIFSIX-O-Cu (b-top view, d-side view)
    The most stable CO2 adsorption sites in (a) SIFSIX-3-Cu and (b) SIFSIX-O-Cu
    6. The most stable CO2 adsorption sites in (a) SIFSIX-3-Cu and (b) SIFSIX-O-Cu
    Radial distribution functions of CO2 around Si atoms in frameworks
    7. Radial distribution functions of CO2 around Si atoms in frameworks
    VP/(cm3·g-1)D/nmPorosity, Φ/%Surface area, A/(m2·g-1)
    SIFSIX-3-Cu0.270.3432.48300
    SIFSIX-2-Cu0.400.5235.70735
    SIFSIX-O-Cu0.220.3437.00300
    Table 1. Physical characteristics of SIFSIX-X-Cu
    Xiaoqing LU, Maohuai WANG. Theoretical Investigation on Adsorption and Separation of CO2/N2 in Hybrid Ultramicroporous Materials[J]. Journal of Inorganic Materials, 2020, 35(4): 469
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