Journal
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
Volume 48, Issue 6, Pages 353-361Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1070328422060033
Keywords
cyclometallation; ruthenium; Gratzel cell; bipyrazole
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Funding
- Russian Foundation for Basic Research [20-33-90285]
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A new complex was synthesized and characterized in this study. The optical and luminescence properties of the complex were investigated. It shows potential as a photosensitizer.
New complex [RuL(Dmdcbp)(2)]PF6 (I) is synthesized by the consecutive reactions of [Ru-p-cymene](2)Cl-4 with 3,3',5,5'-tetramethyl-1,1'-biphenyl-4,4'-bipyrazole (L) and 4,4'-dicarboxy-2,2'-bipyridine in a methanol-chloroform medium. The composition of complex I is confirmed by NMR and elemental analysis, and the optical and luminescence properties of the complex are studied. Ligand L is characterized for the first time by X-ray diffraction (CIF file CCDC no. 2118676). Quantum chemical calculations in terms of the density functional theory are performed for the interpretation of the absorption and emission spectra. Complex I is promising for using as a photosensitizer.
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