Abstract

A new coordination polymer, [Ni(iBuOIPA)(dpb)] (1), was synthesized from 1,4-bis(pyridyl)benzene, 5-i-butoxyisophthalate and nickel acetate by hydrothermal method. Its structure was determined by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, IR spectra and TG analyses. Complex 1 was crystallized in monoclinic crystal system, I2/a space group, and the cell parameters were a = 31.214(2) Å, b = 9.9687(6) Å, c = 22.2981(16) Å, V = 6757.1(8) ų, Z = 8. Polymer 1 displays a 2D layer which are further interpenetrated each other to construct a three-dimensional network. Electrochemical measurements reveal that the Ni-MOF modified electrode has good catalytic activity to oxygen evolution reaction with a lower overpotential of only 170 mV at 5 mA cm⁻² in KOH solution.

摘要

通过水热法，由1,4-双（吡啶基）苯，5-异丁氧基间苯二酸酯和乙酸镍合成了一种新的配位聚合物[Ni（iBuOIPA）（dpb）]（1）。通过单晶X射线衍射分析确定其结构，并通过元素分析，IR光谱和TG分析进一步表征。配合物1在单斜晶系I 2 /一个空间群中结晶，晶胞参数为a  = 31.214（2）Å，b  = 9.9687（6）Å，c  = 22.2981（16）Å，V  = 6757.1（8） ）埃³，ž  = 8聚合物1会显示一个2D层，这些层会进一步相互渗透以构建三维网络。电化学测量表明，Ni-MOF修饰的电极对氧气析出反应具有良好的催化活性，在KOH溶液中5 mA cm ^-2时只有170 mV的较低的超电势。