Electric Literature of 15746-57-3, An article , which mentions 15746-57-3, molecular formula is C20H16Cl2N4Ru. The compound – Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II) played an important role in people’s production and life.
The photophysics of PAMAM (poly-amidoamine) based dendrimers (generations G0-G4) modified with (4, 8, 16, 32 and 64) pendant-[Ru(tpy)2]+2 (tpy is 2,2?:6?,2?-terpyridine) and [Ru(bpy)3]+2 (bpy is 2,2?-bipyridine) chromophores were studied in fluid solution at 298 K and frozen glasses at 77 K. The absorption and emission spectra, the excited-state lifetimes, and the quantum yield were obtained for both families of metallodendrimers. The behavior of these metallodendrimers parallels that exhibited by discrete molecular analogues, i.e., [Ru(tpy)2]+2 and -[Ru(bpy)3]+2, with the bipyridine derivatives exhibiting longer lifetimes and higher quantum yields when compared to the corresponding terpyridine complexes. Some generation dependent variations were also observed. The low temperature excited state lifetime for the terpyridine dendrimers, decreased linearly with the cube root of the molecular weight (and thus the dendrimer size), which should suggest an effect of the proximity of adjacent chromophores. The effects of solvent were also studied by comparing results in butyronitrile and dimethylacetamide with the latter being used as a mimic of the dendritic backbone. These results suggested that, for the higher generations, the dendritic backbone act as the solvent in affecting the photophysical behavior.
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI