Structural characterization and spectroelectrochemical, anion sensing and solvent dependence photophysical studies of a bimetallic Ru(II) complex derived from 1,3-di(1H-imidazo[4,5-f][1,10]phenanthroline-2-yl)benzene.

@article{Saha2012StructuralCA,
  title={Structural characterization and spectroelectrochemical, anion sensing and solvent dependence photophysical studies of a bimetallic Ru(II) complex derived from 1,3-di(1H-imidazo[4,5-f][1,10]phenanthroline-2-yl)benzene.},
  author={D. Saha and Shyamal Das and Sourav Mardanya and Sujoy Baitalik},
  journal={Dalton transactions},
  year={2012},
  volume={41 29},
  pages={
          8886-98
        }
}
The X-ray crystal structure of a mixed-ligand bimetallic ruthenium(II) complex of composition [(bipy)(2)Ru(H(2)Impib)Ru(bipy)(2)](ClO(4))(4) (1), where H(2)Impib = 1,3-di(1H-imidazo[4,5-f][1,10]phenanthroline-2-yl)benzene and bipy = 2,2'-bipyridine, has been determined and showed that the compound crystallized in monoclinic form with the space group P2(1)/c. The absorption, steady state and time-resolved luminescence spectral properties of the complex were thoroughly investigated in different… Expand
Synthesis, electrochemical and spectroscopic properties of ruthenium(II) complexes containing 2,6-di(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)aryl ligands
A series of dinuclear [(bpy)2Ru(L)Ru(bpy)2]4+ and mononuclear ruthenium(II) complexes [(bpy)2Ru(L)]2+ where bpy is 2,2′-bipyridine and L representsExpand
Synthesis, structural characterization, and photophysical, spectroelectrochemical, and anion-sensing studies of heteroleptic ruthenium(II) complexes derived from 4'-polyaromatic-substituted terpyridine derivatives and 2,6-bis(benzimidazol-2-yl)pyridine.
TLDR
Anion-induced lifetime quenching and/or enhancement make the receptors suitable lifetime-based sensors for selective anions, and Cyclic voltammetric measurements of the compounds carried out in acetonitrile have provided evidence in favor of anion-dependent electrochemical responses with F(-) and AcO(-) ions. Expand
Synthesis, structural characterization, and multichannel anion and cation sensing studies of a bifunctional Ru(II) polypyridyl-imidazole based receptor.
TLDR
The cation-sensing properties showed that the receptor was found to exhibit a colorimetric sensing ability that was highly selective for Fe(2+), as evidenced by the distinct color change from yellow orange to deep red-violet to the naked eye over the other cations studied. Expand
Synthesis, structural characterization and anion-, cation- and solvent-induced tuning of photophysical properties of a bimetallic Ru(II) complex: combined experimental and DFT/TDDFT investigation
A mixed-ligand bimetallic ruthenium(II) complex of composition [(bpy)2Ru(H2PyImPhen)Ru(bpy)2](ClO4)4 (1), where H2PyImPhen = 2,6-di(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)pyridine and bpy =Expand
Highly sensitive and selective difunctional ruthenium(II) complex-based chemosensor for dihydrogen phosphate anion and ferrous cation.
TLDR
RuL was found to exhibit a colorimetric sensing ability that was highly selective for Fe(2+), as evidenced by an obvious color change from pale yellow to light red-purple to the naked eye over the other cations studied. Expand
Pyrene and imidazole functionalized luminescent bimetallic Ru(II) terpyridine complexes as efficient optical chemosensors for cyanide in aqueous, organic and solid media.
We report in this work the anion recognition and sensing aspect of a new family of bimetallic Ru(ii) complexes derived from a symmetrical bridgingExpand
pH luminescence switching, dihydrogen phosphate sensing, and cellular uptake of a heterobimetallic ruthenium(II)-rhenium(I) complex.
TLDR
It is demonstrated that RuHLRe rapidly and selectively illuminated the membrane of HeLa cells over fixed cells and exhibited reduced cytotoxicity at the imaging concentration compared to the Re(I)-free parent Ru(II) complex. Expand
Pyrene-biimidazole based Ru(II) and Os(II) complexes as highly efficient probes for the visible and near-infrared detection of cyanide in aqueous media.
TLDR
Both complexes possess a very high selectivity towards cyanide ions in aqueous media in the presence of an excess of other anions and display a visual detection of cyanide ion detection with a very low detection limit. Expand
Triazole appending ruthenium(ii) polypyridine complex for selective sensing of phosphate anions through C–H–anion interaction and copper(ii) ions via cancer cells
A new ruthenium(II) polypyridine-based complex, [RuII(bpy)2(Btb)] 2PF6− (Rbtb) {bpy = 2,2′-bipyridine and Btb = 2-((1-([2,2′-bipyridin]-4-yl)-1H-1,2,3-triazol-4-yl)methoxy)-1,3-benzothiazole}, wasExpand
Anion- and solvent induced modulation of photophysical properties of a luminescent bimetallic Ru(II) complex: Experimental and TD-DFT study
Abstract Anion- and solvent induced modulation of phtophysical behavior of a binuclear Ru(II) complex of the type [(bpy)2Ru(H2L)Ru(bpy)2]4+, where H2L =Expand
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TLDR
A ruthenium(II) complex as anions receptor has been exploited, where Ru(II)-bpy moiety acts as a chromophore and the H 2bbim ligand as an anion binding site and the structural changes induced by the deprotonation has been investigated. Expand
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