【作者】 张璐； 赵雷； 陈辉； 张晚秋； 辛兆鹏； 何漩；

【Author】 Lu Zhang;Lei Zhao;Hui Chen;Wanqiu Zhang;Zhaopeng Xin;Xuan He;The State Kay Laboratory of Refractories and Metallurgy, Wuhan University of Science Technology;

【机构】 武汉科技大学省部共建耐火材料与冶金国家重点实验室；

【摘要】 目前所报道的发光MOFs材料中,主要以稀土金属^[1]及单一过渡金属[2]中心为主要体系,其中单一过渡金属的发光性能具有一定的局限性,且与金属元素的种类有关。为此,我们以MOF-5为模板,在其中掺杂过渡金属Ni,合成Zn/Ni为双金属中心化合物,通过对其结构、热稳定性、形貌及其发光性能进行了表征,探讨Zn/Ni比例与其发光性能之间的联系。结果表明,该化合物呈多孔的"花"状,且具有微孔-介孔复合的孔隙结构,平均孔径为7.8 nm。当Zn/Ni比例为2:1时,材料在425 nm波长处具有较强发光性能,是一种潜在的复合型功能材料。更多还原

【Abstract】 To date, MOFs containing rare earth metal[1] and single transition metal[2] ions are most reported as luminescent materials. Metal ions were regarded as one important factor to affect the performance, particularly in case of single transition metal ions. Here, with adding Ni(Ⅱ) ions into MOF-5, we synthesized a bimetallic compound to study the relationship between Zn/Ni ratio and the luminescence performance by characterizing its structure, thermal stability and luminescence properties. It was found that when the Zn/Ni ratio is 2:1, the average pore size of porous flower-like compounds is 7.8 nm with strong emission peak at 425 nm.更多还原