occurs in all three unsymmetrical homobimetallic complexes. On the other hand, for both heterometallic dyads, an efficient intramolecular photoinduced electron transfer from the excited ruthenium moiety to the rhodium-based unit takes place. The rate constants for the energy- and electron-transfer processes have been determined by time-resolved emission spectroscopy. The influence of the pH on the absorption
组成[[bpy)2 Ru II(phen-Hbzim-tpy)Ru II(tpy / tpy -PhCH 3 / H 2 pbbzim)]的同
金属和异双
金属配合物] 4+和[[bpy)2 Ru II(phen-Hbzim) -tpy)Rh III(tpy -PhCH 3 / H 2 pbbzim)] 5+,其中phen-Hbzim-tpy = 2- [4-(2,6-dipyridin-2-ylpyridin-4-yl)phenyl] -1 H-
咪唑[4,5- f ] [1,10]
菲咯啉,bpy =
2,2'-联吡啶,tpy = 2,2':6',2”-叔
吡啶,tpy-PhCH 3 = 4'-( 4-甲基苯基)-2,2':6',2''-叔
吡啶和H 2已合成pbbzim = 2,6-双(
苯并咪唑-2-基)
吡啶,并通过元素分析,电喷雾电离质谱和1 H NMR光谱进行了表征。这些双
金属配合物的吸收光