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Coordination-driven assembly of a 3d-4f heterometallic organic framework with 1D Cu4I4 and Eu-based chains: syntheses, structures and various properties

文献类型： 外文期刊

作者： Guo, Feng 1 ; Su, Changhua 2 ; Fan, Yuhang 1 ; Shi, Wenbing 1 ; Zhang, Xiuling 3 ; Xu, Jiakun 4 ;

作者机构： 1.Yangtze Normal Univ, Coll Chem & Chem Engn, Chongqing Key Lab Inorgan Special Funct Mat, Chongqing 408100, Peoples R China

2.Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Shandong, Peoples R China

3.Dezhou Univ, Coll Chem & Chem Engn, Dezhou 253023, Peoples R China

4.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Polar Fisheries, Minist Agr & Rural Affairs, Qingdao 266071, Peoples R China

5.Natl Lab Marine Sci & Technol Qingdao, Lab Marine Drugs & Byprod Pilot, Qingdao 266071, Peoples R China

期刊名称：DALTON TRANSACTIONS （ 影响因子：4.39； 五年影响因子：4.07 ）

ISSN： 1477-9226

年卷期： 2020 年 49 卷 32 期

页码：

收录情况： SCI

摘要： A three-dimensional porous 3d-4f heterometallic organic framework, namely, {[Eu-3(Cu4I4)(3)(INA)(9)(DMF)(4)]center dot 3DMF}(n)(YNU-2), was successfully prepared under solvothermal conditions. There are two different one-dimensional metal chains in the structure, namely, Cu4I4 and Eu-III-based chains, resulting in an excellent stability of the prepared sample. A N-2 sorption isotherm at 77 K revealed that the activated sample exhibits a Brunauer-Emmett-Teller surface area of 371 m(2) g(-1), while, YNU-2 can adsorb obviously higher CO2 amounts than CH4 at 273 K and 298 K under 1 atm because of the stronger interaction force between CO2 and the porous skeleton. Furthermore, YNU-2 is highly efficient heterogeneous catalyst for chemical fixation of the CO2 and epoxides into cyclic carbonates with a preferable recyclability. Taking into account its excellent stability, the prepared sample can be used to construct an electrochemical adapter sensor for detecting cocaine with a detection limit of 0.27 pg mL(-1) in the wide range of 0.001-0.5 ng mL(-1).

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