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A novel 3D POMOF based on Wells–Dawson arsenomolybdates with excellent photocatalytic and lithium-ion battery performance
CrystEngComm ( IF 2.6 ) Pub Date : 2017-11-06 00:00:00 , DOI: 10.1039/c7ce01734k Bo-Wen Cong 1, 2, 3, 4, 5 , Zhan-Hua Su 1, 2, 3, 4, 5 , Zhi-Feng Zhao 5, 6, 7, 8 , Bo Wang 5, 9, 10, 11, 12
CrystEngComm ( IF 2.6 ) Pub Date : 2017-11-06 00:00:00 , DOI: 10.1039/c7ce01734k Bo-Wen Cong 1, 2, 3, 4, 5 , Zhan-Hua Su 1, 2, 3, 4, 5 , Zhi-Feng Zhao 5, 6, 7, 8 , Bo Wang 5, 9, 10, 11, 12
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Herein, a novel POMOF based on Wells–Dawson arsenomolybdate (AM), with the formula [{Cu(btp)2}3{As2Mo18O62}] (btp = 1,3-bis(1,2,4-triazol-1-yl)propane) (1), was synthesized under hydrothermal conditions and structurally characterized by single crystal X-ray diffraction, elemental analysis, IR spectroscopy, XPS, PXRD, TG analysis, UV-vis-NIR spectroscopy, and BET analysis. It is interesting that the [As2Mo18O62]6− polyoxoanion as a hexa-connector is encapsulated with {Cu-btp} complexes to form a 3D POMOF. The 3D topological network has the Schläfli symbol of {46·55·62·72}3{46·56·73}. Compound 1 shows excellent stability in air, different pH aqueous solutions and common organic solvents. Compound 1 also exhibits fluorescence properties and efficient and stable photocatalytic activity for the degradation of MB and RhB under UV irradiation. In addition, the electrochemical performance of the designed Wells–Dawson AM as the anode material for lithium-ion batteries (LIBs) has also been evaluated. For the 1st cycle, the reversible capacity of compound 1 is about 1050 mA h g−1 at a current density of 100 mA g−1 and is maintained at around 870 mA h g−1 after 240 cycles.
中文翻译：
基于Wells-Dawson砷钼酸盐的新型3D POMOF，具有出色的光催化和锂离子电池性能
在此，一种基于Wells-Dawson砷钼酸盐（AM）的新型POMOF，其分子式为[{Cu（btp）2 } 3 {As 2 Mo 18 O 62 }]（btp = 1,3-bis（1,2,4 -三唑-1-基）丙烷）（1）在水热条件下合成，并通过单晶X射线衍射，元素分析，IR光谱，XPS，PXRD，TG分析，UV-vis-NIR光谱进行结构表征BET分析。有趣的是，将作为六连接体的[As 2 Mo 18 O 62 ] 6-聚氧阴离子与{Cu-btp}配合物封装形成3D POMOF。3D拓扑网络的Schläfli符号为{4 6·5 5 ·6 2 ·7 2 } 3 {4 6 ·5 6 ·7 3 }。化合物1在空气，不同pH的水溶液和常见的有机溶剂中显示出极好的稳定性。化合物1还显示出荧光性质以及在UV辐射下降解MB和RhB的有效和稳定的光催化活性。此外，还对设计的Wells-Dawson AM作为锂离子电池（LIB）的负极材料的电化学性能进行了评估。对于第一个循环，在电流密度为100 mA g的情况下，化合物1的可逆容量约为1050 mA hg -1-1，并在240个循环后保持在870 mA hg -1左右。
更新日期：2017-11-16
中文翻译：
基于Wells-Dawson砷钼酸盐的新型3D POMOF，具有出色的光催化和锂离子电池性能
在此，一种基于Wells-Dawson砷钼酸盐（AM）的新型POMOF，其分子式为[{Cu（btp）2 } 3 {As 2 Mo 18 O 62 }]（btp = 1,3-bis（1,2,4 -三唑-1-基）丙烷）（1）在水热条件下合成，并通过单晶X射线衍射，元素分析，IR光谱，XPS，PXRD，TG分析，UV-vis-NIR光谱进行结构表征BET分析。有趣的是，将作为六连接体的[As 2 Mo 18 O 62 ] 6-聚氧阴离子与{Cu-btp}配合物封装形成3D POMOF。3D拓扑网络的Schläfli符号为{4 6·5 5 ·6 2 ·7 2 } 3 {4 6 ·5 6 ·7 3 }。化合物1在空气，不同pH的水溶液和常见的有机溶剂中显示出极好的稳定性。化合物1还显示出荧光性质以及在UV辐射下降解MB和RhB的有效和稳定的光催化活性。此外，还对设计的Wells-Dawson AM作为锂离子电池（LIB）的负极材料的电化学性能进行了评估。对于第一个循环，在电流密度为100 mA g的情况下，化合物1的可逆容量约为1050 mA hg -1-1，并在240个循环后保持在870 mA hg -1左右。
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