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设计合成了水杨醛缩对硝基苯胺(HL)及其锌配合物(ZnL2),用元素分析、IR、热重分析等方法对产物结构进行了表征。并采用循环伏安法研究了配合物ZnL2在DMF和DMSO溶液中的电化学性质,可以观察到1个单电子氧化还原过程,对应于配合物分子内Zn2+/Zn+电对的电子转移过程。并对比研究了两个化合物在甲醇、无水乙醇、DMF溶液中的荧光性质,荧光光谱表明,配体与配合物在甲醇、乙醇、DMF溶液中能够发射较强的荧光,配合物ZnL2发光机理为金属离子微扰下配体的π*→n发光。
The salicylaldehyde reduced p-nitroaniline (HL) and its zinc complex (ZnL2) were designed and synthesized. The product structure was characterized by elemental analysis, IR, TG and other methods. Cyclic voltammetry was used to study the electrochemical properties of complex ZnL2 in DMF and DMSO solutions. One single electron redox process was observed, corresponding to the electron transfer of Zn2 + / Zn + in the complex. The fluorescence properties of the two compounds in methanol, absolute ethanol and DMF were compared. The fluorescence spectra showed that the ligand and the complex could emit strong fluorescence in methanol, ethanol and DMF solution. The complex ZnL2 emission mechanism Π * → n luminescence of the ligand under perturbation of metal ions.