Synthesis of phosphonic acid derivatized bipyridine ligands and their ruthenium complexes

Norris, Michael R., Concepcion, Javier J., Glasson, Christopher R.K., Fang, Zhen, Lapides, Alexander M., Ashford, Dennis L., Templeton, Joseph L., and Meyer, Thomas J. (2013) Synthesis of phosphonic acid derivatized bipyridine ligands and their ruthenium complexes. Inorganic Chemistry, 52 (21). pp. 12492-12501.

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Abstract

Water-stable, surface-bound chromophores, catalysts, and assemblies are an essential element in dye-sensitized photoelectrosynthesis cells for the generation of solar fuels by water splitting and CO2 reduction to CO, other oxygenates, or hydrocarbons. Phosphonic acid derivatives provide a basis for stable chemical binding on metal oxide surfaces. We report here the efficient synthesis of 4,4'-bis(diethylphosphonomethyl)-2,2'-bipyridine and 4,4'-bis(diethylphosphonate)-2,2'-bipyridine, as well as the mono-, bis-, and tris-substituted ruthenium complexes, [Ru(bpy)2(Pbpy)]2+, [Ru(bpy)(Pbpy)2]2+, [Ru(Pbpy)3]2+, [Ru(bpy)2(CPbpy)]2+, [Ru(bpy)(CPbpy)2]2+, and [Ru(CPbpy)3]2+ [bpy = 2,2'-bipyridine; Pbpy = 4,4'-bis(phosphonic acid)-2,2'-bipyridine; CPbpy = 4,4'-bis(methylphosphonic acid)-2,2'-bipyridine].

Item ID: 33466
Item Type: Article (Research - C1)
ISSN: 1520-510X
Funders: US Department of Energy (DOE)
Projects and Grants: DOE Award DE-SC0001011, DOE Grant DE-FG02-06ER15788, DOE Grant DE-SC0001298, DOE Office of Science Graduate Fellowship Program
Date Deposited: 29 May 2014 01:26
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030207 Transition Metal Chemistry @ 50%
03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030503 Organic Chemical Synthesis @ 50%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850504 Solar-Photovoltaic Energy @ 50%
97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 50%
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