| 基于四氮唑的Cu(I)/Cu(II)配合物及其可见光催化降解有机污染物的研究 |
| Cu(I)/Cu(II) Complexes Based on A Tetrazole Derivative and the Study about the Degradation of Organic Dye under Visible Light Irradiation |
|
| 摘要: 为了研究配合物在可见光下催化降解有机污染物，我们利用1,2,4,5-四(2H-四氮唑)苯配体(H4TTB)和三苯基磷(PPh3)与氰化亚铜在水热/溶剂热条件下的反应得到一价铜配合物[Cu2(TTB)0.5(PPh3)]n (1)和二价铜配合物{[Cu(TTB)0.5(H2O)2]?H2O}n (2)，并通过红外光谱、热稳定性分析和X-射线粉末衍射对它们进行了表征。X-射线单晶结构解析表明，1中的每一个TTB4-配体都有十二个N原子参与配位，进而使得配合物1拥有了二维的骨架结构，而配合物2则呈现出一维双Cu2 链结构。这两个配合物在可见光照射下对罗丹明B(RhB)和亚甲基蓝(MB)都表现出很好的催化降解性能：氙灯照射一个小时，一价铜配合物1和二价铜配合物2对RhB的降解率分别达到了88%和78%；而这两个配合物对MB的降解效果更好，在40分钟后都达到了93%，这也说明一价铜配合物和二价铜配合物都能有效的光催化降解有机染料。 |
| 关键词: Cu(I)/Cu(II)配合物 有机染料降解 可见光催化 |
| 基金项目: 国家自然科学基金;高校基金 |
| Abstract: Two Cu(I)/Cu(II) complexes, formulated as [Cu2(TTB)0.5(PPh3)]n (1) and {[Cu(TTB)0.5(H2O)2]?H2O }n (2) (H4TTB = 1,2,4,5-tetra-(2H-tetrazole-5-yl)-benzene, PPh3 = triphenyl phosphine) have been obtained by solvothermal/hydrothermal reactions for the exploration of efficient photocatalytic degradation of organic dye pollutants. The two complexes were characterized by IR, TG, PXRD and X-ray single crystal determination. Complex 1 exhibits a novel 2D structure with 12 coordination atoms in a TTB4-, and complex 2 features an irregular 1D double chain structure. Moreover, under visible light, both complexes 1 and 2 display higher activation for the photocatalytic decomposition of rhodamine B (RhB) and methyl blue (MB). The degradation efficiency can reach 88% (RhB) and 93% (MB) for 1, and 78% (RhB) and 93% (MB) for 2. Clearly, the photocatalytic degradation efficiency of complex 1 is similar to that of complex 2. |
| Keywords: Cu(I)/Cu(II) complexes Degradation of organic dye Visible light irradiation |
| 投稿时间：2017-01-06 修订日期：2017-02-16 |
| 摘要点击次数: 82 |
| 全文下载次数: 0 |
|
| 查看/发表评论 下载PDF阅读器 |
| Support information: |
|
|
|
|
|
|
