2017
DOI: 10.1039/c7dt02192e
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Ru–Os dyads based on a mixed bipyridine–terpyridine bridging ligand: modulation of the rate of energy transfer and pH-induced luminescence switching in the infrared domain

Abstract: A series of heterobimetallic complexes of compositions [(bpy/phen)Ru(dipy-Hbzim-tpy)Os (tpy-PhCH/Hpbbzim)] (bpy = 2,2'-bipyridine, phen = 1,10-phenanthroline, tpy-PhCH = 4'-(4-methylphenyl)-2,2':6',2''-terpyridine and Hpbbzim = 2,6-bis(benzimidazole-2-yl)pyridine)), derived from a heteroditopic bpy-tpy bridging ligand, were synthesized and thoroughly characterized in this work. The heterometallic complexes exhibit two successive one-electron reversible metal-centered oxidations corresponding to Os/Os at lower … Show more

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Cited by 16 publications
(18 citation statements)
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“…44,46 tpy-Hbzim-dipy = 4′-[4-(4,5-dipyridin-2-yl-1H-imidazol-2-yl)-phenyl]-[2,2′:6′,2″]terpyridine, bpy = 2,2′-bipyridine, phen = 1,10-phenanthroline, tpy-PhCH 3 = 4′-(4-methylphenyl)-2,2′:6′,2″-terpyridine, H 2 pbbzim = 2,6-bis(benzimidazol-2-yl)- pyridine. 38,49,76 bpy = 2,2′-bipyridine and HL = 2-(4-(2,6-di(pyridin-2-yl)pyridin-4-yl)phenyl)-1H-imidazo[4,5-f][1,10] phenanthroline). 77 bpy = 2,2′-bipyridine and Htppip = 2-(4-(2,6-di(pyridin-2-yl)pyridin-4-yl)phenyl)-1Himidazo[4,5-f] [1,10] phenanthroline.…”
Section: Results and Discussionmentioning
confidence: 99%
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“…44,46 tpy-Hbzim-dipy = 4′-[4-(4,5-dipyridin-2-yl-1H-imidazol-2-yl)-phenyl]-[2,2′:6′,2″]terpyridine, bpy = 2,2′-bipyridine, phen = 1,10-phenanthroline, tpy-PhCH 3 = 4′-(4-methylphenyl)-2,2′:6′,2″-terpyridine, H 2 pbbzim = 2,6-bis(benzimidazol-2-yl)- pyridine. 38,49,76 bpy = 2,2′-bipyridine and HL = 2-(4-(2,6-di(pyridin-2-yl)pyridin-4-yl)phenyl)-1H-imidazo[4,5-f][1,10] phenanthroline). 77 bpy = 2,2′-bipyridine and Htppip = 2-(4-(2,6-di(pyridin-2-yl)pyridin-4-yl)phenyl)-1Himidazo[4,5-f] [1,10] phenanthroline.…”
Section: Results and Discussionmentioning
confidence: 99%
“…It is of interest to compare the pH-sensing behaviors of closely related complexes. In Table , we provided a comparison of p K a and p K a * values and luminescence switching behaviors of some structurally related Ru­(II) and Os­(II) complexes mainly derived from heteroditopic bpy-tpy and phen-tpy type of ligands. ,,,, …”
Section: Results and Discussionmentioning
confidence: 99%
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