本文设计合成了两个分别带正电荷和负电荷的Ir(Ⅲ)配合物[Ir(PPY)2(bpy)]+(PPY= 2-苯基吡啶,bpy＝2,2'-联吡啶)和[Ir(PPY)2(pbs)]-(pbs=1,10-菲啰啉-4,7-二苯磺酸钠)作为光敏剂,以[Co(bpy)3]2+为放氢催化剂,比较了Ir(Ⅲ)配合物的光催化放氢效率.发现带负电荷的Ir(Ⅲ)配合物具有更高的光催化放氮效率,带负电荷光敏剂和带正电荷催化剂间的静电吸引可能对放氢效率的提高起到了重要作用.
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