The Co-MOF poly[[diaqua{μ4-1,1,2,2-tetrakis[4-(1H-1,2,4-triazol-1-yl)phenyl]ethylene-κ4N:N':N'':N'''}cobalt(II)] benzene-1,4-dicarboxylic acid benzene-1,4-dicarboxylate], {[Co(C34H24N12)(H2O)2](C8H4O4)·C8H6O4}n or {[Co(ttpe)(H2O)2](bdc)·(1,4-H2bdc)}n, (I), was synthesized by the hydrothermal method using 1,1,2,2-tetrakis[4-(1H-1,2,4-triazol-1-yl)phenyl]ethylene (ttpe), benzene-1,4-dicarboxylic acid (1,4-H2bdc) and Co(NO3)2·6H2O, and characterized by single-crystal X-ray diffraction, IR spectroscopy, powder X-ray diffraction (PXRD), luminescence, optical band gap and valence band X-ray photoelectron spectroscopy (VB XPS). Co-MOF (I) shows a (4,4)-connected binodal two-dimensional topology with a point symbol of {44·62}{44·62}. The two-dimensional networks capture free neutral 1,4-H2bdc molecules and bdc2- anions, and construct a three-dimensional supramolecular architecture via hydrogen-bond interactions. MOF (I) is a good photocatalyst for the degradation of methylene blue and rhodamine B under visible-light irradiation and can be reused at least five times.

中文翻译：

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具有（4,4）连接的双脚架二维拓扑结构的Co-MOF：合成，结构和光催化性能。

Co-MOF聚[[diaqua {μ4-1,1,2,2-四[4-（1H-1,2,4-三唑-1-基）苯基]乙烯-κ4N：N'：N'' ：N'''}钴（II）]苯-1,4-二羧酸苯-1,4-二羧酸酯]，{[Co（C34H24N12）（H2O）2]（C8H4O4）·C8H6O4} n或{[Co （ttpe）（H2O）2]（bdc）·（1,4-H2bdc）} n，（I）通过水热法使用1,1,2,2-四[4（1H-1， 2,4-三唑-1-基）苯基]乙烯（ttpe），苯-1,4-二羧酸（1,4-H2bdc）和Co（NO3）2·6H2O的特征在于单晶X射线衍射，红外光谱，粉末X射线衍射（PXRD），发光，光学带隙和价带X射线光电子能谱（VB XPS）。Co-MOF（I）显示了一个点符号为{44·62} {44·62}的，（4,4）连接的二面体二维拓扑。二维网络捕获自由的中性1,4-H2bdc分子和bdc2-阴离子，并通过氢键相互作用构建三维超分子结构。MOF（I）是在可见光照射下降解亚甲基蓝和若丹明B的良好光催化剂，可重复使用至少5次。