Synthesis,Characterization, Electrochemical and Spectroscopic Properties of [Ru(dppt)(bpy)Cl]+ and [Ru(pta)(bpy)Cl]+ |
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Authors: | Hong Xian-Lan Chao Hui Wang Xiang-Li ji Liang-Nian li Hong |
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Institution: | (1) Present address: Department of Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou, 510275, PR China |
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Abstract: | Two novel RuII complexes Ru(dppt)(bpy)Cl]ClO4
(1) and Ru(pta)(bpy)Cl]ClO4
(2)dppt, pta and bpy = 3-(1,10-phenanthrolin-2-yl)-5,6-diphenyl-as-triazine, 3-(1,10-phenanthrolin-2-yl)-as-triazino5,6-f]acenaphthylene and 2,2-bipyridine, respectively] were synthesized and characterized by elemental analysis and electrospray mass spectrometry, 1H-n.m.r., and u.v.–vis spectroscopy. The redox properties of the complexes were examined using cyclic voltammetry. Due to the strong -accepting character of asymmetric ligands, the MLCT bands of (1) and (2) are shifted significantly to lower energies by comparison with Ru(tpy)(bpy)Cl]+. |
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