基金Project(2019YJ0478) supported by Sichuan Science and Technology Program,ChinaProjects(2017RCL18,2017RCL35) supported by the Research Foundation for the Introduction of Talent of Sichuan University of Science and Engineering,ChinaProjects(2017CL06,2018CL06) supported by the Opening Program of Material Corrosion and Protection Key Laboratory of Sichuan Province,China
文摘合成了10种含膦胺配体的1,2-二芳基乙烯-1,2-二硫醇的镍配合物[(p-XC_(6)H_(4)N(PPh_(2))2)Ni(S_(2)C_(2)(C_(6)H_(4)Y-p)2)](1:X=Br,Y=CH_(3)O;2:X=Br,Y=CH 3;3:X=Br,Y=H;4:X=Br,Y=Br;5:X=Br,Y=F;6:X=F,Y=CH_(3)O;7:X=F,Y=CH 3;8:X=F,Y=H;9:X=F,Y=Br;10:X=F,Y=F),通过元素分析、核磁共振谱、红外光谱和紫外-可见吸收光谱对镍配合物的结构进行了表征.配合物l DMF的X-射线单晶衍射分析表明镍原子处于近乎完美的四方平面构型的S_(2)P_(2)配位环境中,通过循环伏安法测定了配合物在DMF溶液中的电化学性质以及在三氟乙酸(TFA)存在时的电催化制氢性能.研究结果表明:0.25 mmol配合物1-10在添加67.317 mM TFA时,其电催化制氢的转换频率和过电位分别为299.3~809.7 s^(-1)和0.867~0.995 V.