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
A non-interpenetrated anionic In-MOF(FJU-302)based on a linear H2 bpdc and an angled H2 cdc as dual-ligands was characterized by FT-IR,TGA and X-ray single-crystal/powder diffraction.FJU-302 crystallizes in the monocl...A non-interpenetrated anionic In-MOF(FJU-302)based on a linear H2 bpdc and an angled H2 cdc as dual-ligands was characterized by FT-IR,TGA and X-ray single-crystal/powder diffraction.FJU-302 crystallizes in the monoclinic system and I4_(1)/amd space group with a=27.1274(8),b=27.1274(8),c=29.788(3)Å,V=21921(2)Å^(3),Z=16,M_(r)=608.32,D_(c)=0.737 g/cm^(3),F(000)=4848,μ(Cu Kα)=3.659 mm^(–1),R=0.0800 and wR=0.1911 for 5703 observed reflections(I>2s(I)),and R=0.1470 and w R=0.2342 for all data.In this work,a carbazole based anionic In-MOF(FJU-302)was designed and synthesized,and the proton conductivity from subzero temperature(–30℃)to 70℃ was measured without additional humidity.FJU-302 presents a max proton conductivity of 6.47×10^(–4) S·cm^(–1) at 70℃,and it can maintain 5.88×10^(–7) S·cm^(–1) at–30℃.This work reports a first carbazole based MOF for proton conductivity at subzero temperature conditions.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supported by the National Natural Science Foundation of China(21673039,21573042,21805039,21975044 and 21971038)the Fujian Provincial Department of Science and Technology(2018J07001 and 2019H6012)Education Department of Fujian province(JT180090)。
文摘A non-interpenetrated anionic In-MOF(FJU-302)based on a linear H2 bpdc and an angled H2 cdc as dual-ligands was characterized by FT-IR,TGA and X-ray single-crystal/powder diffraction.FJU-302 crystallizes in the monoclinic system and I4_(1)/amd space group with a=27.1274(8),b=27.1274(8),c=29.788(3)Å,V=21921(2)Å^(3),Z=16,M_(r)=608.32,D_(c)=0.737 g/cm^(3),F(000)=4848,μ(Cu Kα)=3.659 mm^(–1),R=0.0800 and wR=0.1911 for 5703 observed reflections(I>2s(I)),and R=0.1470 and w R=0.2342 for all data.In this work,a carbazole based anionic In-MOF(FJU-302)was designed and synthesized,and the proton conductivity from subzero temperature(–30℃)to 70℃ was measured without additional humidity.FJU-302 presents a max proton conductivity of 6.47×10^(–4) S·cm^(–1) at 70℃,and it can maintain 5.88×10^(–7) S·cm^(–1) at–30℃.This work reports a first carbazole based MOF for proton conductivity at subzero temperature conditions.
