Synthetic Route of C12H8N2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1,10-Phenanthroline, is researched, Molecular C12H8N2, CAS is 66-71-7, about Long-lived cyclometalated iridium complexes: Synthesis, structure, DFT and photocatalytic aspects. Author is Laha, Paltan; Chandra, Falguni; Husain, Ahmad; Koner, Apurba Lal; Patra, Srikanta.
Herein, authors present synthesis, photophys. and photocatalytic aspects of four mononuclear luminescent iridium complexes ([1]+-[4]+) incorporating cyclometalating benzimidazole-based (L1 and L2) and phenanthroline pyrazine-based (L3-L5) ligands. Several anal. techniques were used for the characterization of the complexes. The structural elucidation of [2]+ and [3]+ using x-ray crystallog. show a distorted Oh structure with nitrogen donors of cyclometalating ligands are in trans-direction. All the complexes are emitting in the orange-red region and displayed moderately good quantum yield. The complexes have also shown moderately good luminescence lifetime (τ = 80-1900 ns) in different solvents. Importantly, the complex [3]+ exhibits comparative longer emission lifetime (τ = 1800 ns) in water at ambient condition. The complexes have shown moderately good photocatalytic efficacy towards azo dyes degradation in aqueous solution The mechanistic investigation suggests that in the presence of light in aqueous medium the complexes induce the generation of (HO•/(O•2-)) species which is responsible for the photodecomposition of azo dyes.
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