By varying the spacer angles of phenylenediacetic acid, two novel Zn（II） coordination polymers based on semirigid N-heterocyclic ligand 1,4-bis（2-ethylbenzimidazol-1-ylmethyl） benzene, [Zn（beb）0.5（m-phda）]n（1...By varying the spacer angles of phenylenediacetic acid, two novel Zn（II） coordination polymers based on semirigid N-heterocyclic ligand 1,4-bis（2-ethylbenzimidazol-1-ylmethyl） benzene, [Zn（beb）0.5（m-phda）]n（1） and {[Zn（beb）（p-phda）]·2H2O}n（2）, were synthesized and fully structurally characterized. Polymer 1 exhibits a 2D grid-layer with a 44 topology. Polymer 2 shows a 2D layer with rare meso-helix. In addition, the thermal stability and photoluminescence properties of polymers 1 and 2 have also been investigated.展开更多
Hierarchically porous materials play an important role in facilitating mass transport and improving efficiency of adsorption and separation processes. In this paper, a new strategy is proposed to realize a hierarchica...Hierarchically porous materials play an important role in facilitating mass transport and improving efficiency of adsorption and separation processes. In this paper, a new strategy is proposed to realize a hierarchically porous metal-organic framework （[Cu2（OH）（L）]＇（DMF）0.8 （FJU-11, H3L=3,5-（4-carboxybenzyloxy）benzoic acid, DMF= N,N-dimethylformamide） via using semi-rigid multi-carboxylic acids. Interestingly, FJU-11 possesses the large adsorption capacities and small isosteric heats toward CO2. The column breakthrough experiment for FJU-11 highlights its potential application in the separation of the flue gas.展开更多
基金Financially supported by the National Natural Science Foundation(No.21372112)the Science and Technology Research Key Project of the Education Department of Henan Province(2014A150025)
文摘By varying the spacer angles of phenylenediacetic acid, two novel Zn（II） coordination polymers based on semirigid N-heterocyclic ligand 1,4-bis（2-ethylbenzimidazol-1-ylmethyl） benzene, [Zn（beb）0.5（m-phda）]n（1） and {[Zn（beb）（p-phda）]·2H2O}n（2）, were synthesized and fully structurally characterized. Polymer 1 exhibits a 2D grid-layer with a 44 topology. Polymer 2 shows a 2D layer with rare meso-helix. In addition, the thermal stability and photoluminescence properties of polymers 1 and 2 have also been investigated.
基金This work was financially supported by the National Natural Science Foundation of China （21207018, 21273033, 21573042 and 21203024） and the Fujian Science and Technology Department （2014J06003 and 2014H6007）. S. X. gratefully acknowledges the support of the Recruitment Program of Global Young Experts, Program for New Century Excellent Talents in University （NCET- 10-0108）, and the Award ＇MinJiang Scholar Program＇ in Fujian Province.sity （NCET- 10-0108）, and the Award ＇MinJiang Scholar Program＇ in Fujian Province.
文摘Hierarchically porous materials play an important role in facilitating mass transport and improving efficiency of adsorption and separation processes. In this paper, a new strategy is proposed to realize a hierarchically porous metal-organic framework （[Cu2（OH）（L）]＇（DMF）0.8 （FJU-11, H3L=3,5-（4-carboxybenzyloxy）benzoic acid, DMF= N,N-dimethylformamide） via using semi-rigid multi-carboxylic acids. Interestingly, FJU-11 possesses the large adsorption capacities and small isosteric heats toward CO2. The column breakthrough experiment for FJU-11 highlights its potential application in the separation of the flue gas.
