نتایج جستجو برای: polypyridyl
تعداد نتایج: 477 فیلتر نتایج به سال:
We synthesized the luminescent ruthenium(II) polypyridyl complexes of type [Ru(bpy)2(L1)][ClO4]2 (1) (where L1 = 4,4-dicarboxy-2,2-bipyridine); [Ru(bpy)2(L2)][ClO4]2 (2); and [Ru(L2)3][ClO4]2 (3) L2 4,4-dimethanol-2,2-bipyridine). Photo-physical electrochemical properties Ru(II) were investigated along with emission vs. pH. This reveals that carboxylic acids in 2,2-bipyridine ligand had a more ...
Electrocatalytic reduction of CO(2) by [Ru(tpy)(bpy)(solvent)](2+) (tpy = 2,2':6',2''-terpyridine, bpy = 2,2'-bipyridine) and its structural analogs is initiated by sequential 1e(-) reductions at the tpy and bpy ligands followed by rate limiting CO(2) addition to give a metallocarboxylate intermediate. It undergoes further reduction and loss of CO.
The understanding of photoinduced ligand exchange mechanisms in polypyridyl ruthenium(II) complexes operating aqueous solution is crucial importance to rationalize their photoreactivity. Herein, we demonstrate that a synergetic use ab initio molecular dynamics simulations and static calculations, both conducted at the DFT level, can provide full photosubstitution monodentate by solvent water mo...
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