A novel 3D POMOF based on dinuclear copper (II)-oxalate complexes and Keggin polyoxoanions with excellent photocatalytic activity

作者：Chai, Dong-Feng; Wang, Mo; Zhang, Chunjing; Ning, Feng; Xu, Wenjing; Pang, Haijun^*; Ma, Huiyuan^*

来源：Inorganic Chemistry Communications, 2017, 83: 16-19.

DOI：10.1016/j.inoche.2017.05.028

• Keggin
• Polyoxometalate
• Oxalate
• Photocatalytic dye degradation

A novel coordination polymer, [Cu-2(btx)(2)(C2O4)][H2SiW12O40] . 12H(2)O (btx = 1,4-bis(triazol-1-ylmethyl)benzene)] (1) has been synthesized by hydrothermal reaction, and characterized by elemental analyses, IR spectroscopy, and single crystal X-ray diffraction. Compound 1 is composed of alpha-Keggin type [SiW12O40](4-) polyoxoanions and dinuclear copper (II)-btx complexes. The diriuclear copper (II)-btx complex is a three-dimensional (3D) porous framework, in which the[SiW2(10)O(40)](4-) as -coordinating guests are encapsulated, forming a novel 3D POMOF with two kinds of open channels along both a and b axes. Additionally, compound 1 shows excellent photocatalytic properties for the degradation of methylene blue (MB) under both visible and ultraviolet (UV) light. The molecular design of 1 not only generates a new POMOF, but also opens a new avenue to produce photocatalytic materials.

• 出版日期2017-9
• 单位哈尔滨学院; 黑龙江中医药大学; 黑龙江大学