A novel,porous and doubly interpenetrated MOF(FJU-29) was synthesized and characterized by FT-IR,TGA and X-ray single-crystal/powder diffraction.FJU-29 crystallizes in monoclinic,space group C2/c with a = 22.2890(7...A novel,porous and doubly interpenetrated MOF(FJU-29) was synthesized and characterized by FT-IR,TGA and X-ray single-crystal/powder diffraction.FJU-29 crystallizes in monoclinic,space group C2/c with a = 22.2890(7),b = 10.9175(2),c = 21.5601(7) ?,β = 112.908(4)o,V = 4832.7(3) ?~3,Z = 8,Mr = 450.26,D_c = 1.238 g/cm^3,F(000) = 1832,μ(CuKα) = 5.885 mm^(-1),R = 0.0585 and wR = 0.1544 for 4789 observed reflections(I 〉 2s(I)),and R = 0.0726 and wR = 0.1627 for all data.FJU-29 possesses paddle-wheel {Co_2(COO)_4} clusters bridged by bi-pyrazolate naphthalene diimide ligands(H_2NDI) and H_2BDC to from a 3D framework with a pcu-topology.The desolvated FJU-29a shows the BET surface area of 560.44 m^2·g^(-1) accompanies with discriminating uptakes in CO_2 and N_2.The adsorption selectivity determined by ideal adsorbed solution theory(IAST) indicated that FJU-29 a has high CO_2/N_2(18/85) selectivity(75.5) at 296 K and 100 kPa.The relatively high selectivity further implies that FJU-29 a is a potential material for practical flue gas purification.展开更多
Novel porous aromatic frameworks(PAF-53 and PAF-54) have been obtained by the polymerization of amino compound(p-phenylenediamine and melamine) and cyanuric chloride. They display a certain amount of CO2 adsorptio...Novel porous aromatic frameworks(PAF-53 and PAF-54) have been obtained by the polymerization of amino compound(p-phenylenediamine and melamine) and cyanuric chloride. They display a certain amount of CO2 adsorption capacity and highly selective separation of CO2/CH4 and CO2/N2 as 18.1 and83 by Henry Law respectively. They may be applied as ideal adsorbents to separate and capture CO2.展开更多
基金Financially supported by the National Natural Science Foundation of China(21273033,21673039 and 21573042)
文摘A novel,porous and doubly interpenetrated MOF(FJU-29) was synthesized and characterized by FT-IR,TGA and X-ray single-crystal/powder diffraction.FJU-29 crystallizes in monoclinic,space group C2/c with a = 22.2890(7),b = 10.9175(2),c = 21.5601(7) ?,β = 112.908(4)o,V = 4832.7(3) ?~3,Z = 8,Mr = 450.26,D_c = 1.238 g/cm^3,F(000) = 1832,μ(CuKα) = 5.885 mm^(-1),R = 0.0585 and wR = 0.1544 for 4789 observed reflections(I 〉 2s(I)),and R = 0.0726 and wR = 0.1627 for all data.FJU-29 possesses paddle-wheel {Co_2(COO)_4} clusters bridged by bi-pyrazolate naphthalene diimide ligands(H_2NDI) and H_2BDC to from a 3D framework with a pcu-topology.The desolvated FJU-29a shows the BET surface area of 560.44 m^2·g^(-1) accompanies with discriminating uptakes in CO_2 and N_2.The adsorption selectivity determined by ideal adsorbed solution theory(IAST) indicated that FJU-29 a has high CO_2/N_2(18/85) selectivity(75.5) at 296 K and 100 kPa.The relatively high selectivity further implies that FJU-29 a is a potential material for practical flue gas purification.
基金support of the National Natural Science Foundation of China(No.0831002)Major International (Regional) Joint Research Project(No.21120102034)
文摘Novel porous aromatic frameworks(PAF-53 and PAF-54) have been obtained by the polymerization of amino compound(p-phenylenediamine and melamine) and cyanuric chloride. They display a certain amount of CO2 adsorption capacity and highly selective separation of CO2/CH4 and CO2/N2 as 18.1 and83 by Henry Law respectively. They may be applied as ideal adsorbents to separate and capture CO2.