Ruthenium or osmium complexes and their uses as catalysts for water oxidation
AssigneeThe University of North Carolina at Chapel Hill
InventorsJavier Jesus Concepcion Corbea, Zuofeng Chen, Jonah Wesley Jurss, Joseph L. Templeton, Paul Hoertz, Thomas J. Meyer
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Abstract
The present invention provides ruthenium or osmium complexes and their uses as a catalyst for catalytic water oxidation. Another aspect of the invention provides an electrode and photo-electrochemical cells for electrolysis of water molecules.
Claims14
A complex having the structure of formula (I):
- wherein M is ruthenium (Ru) or osmium (Os), L2 is a tridentate ligand,
- L3 is a monodentate ligand, n is 2 or 1, and
- L1 is a bidentate ligand selected from the group consisting of
A complex having the structure of formula (I):
- wherein M is ruthenium (Ru) or osmium (Os), L1 is a bidentate ligand,
- L2 is a tridentate ligand, n is 2 or 1, and
- L3 is OH2.
A complex comprising Formula A or B:
- wherein, for Formula A and B, the ligand
- is independently selected from the group consisting of
A complex comprising a structure selected from the group consisting of [Ru(tpy)(bpy)(OH2)]2+, [Ru(tpy)(bpm)(OH2)]2+, [Ru(tpy)(bpz)(OH2)]2+, [Ru(tpy)(Mebim-pz)(OH2)]2+, [Ru(tpy)(Mebim-py)(OH2)]2+, [Ru(DMAP)(bpy)(OH2)]2+, [Ru(Mebimpy)(bpy)(OH2)]2+, [Ru(Mebimpy)(Mebim-pz)(OH2)]2+, [Ru(Mebimpy)(Mebim-py)(OH2)]2+, {Ru(Mebimpy)[4,4′-((HO)2OPCH2)2bpy](OH2)}2+ and Os(tpy)(bpy)(OH2)2+.
A catalyst comprising a complex having a structure selected from the group consisting of [Ru(tpy)(bpy)(OH2)]2+, [Ru(tpy)(bpm)(OH2)]2+, [Ru(tpy)(bpz)(OH2)]2+, [Ru(tpy)(Mebim-pz)(OH2)]2+, [Ru(tpy)(Mebim-py)(OH2)]2+, [Ru(DMAP)(bpy)(OH2)]2+, [Ru (Mebimpy)(bpy)(OH2)]2+, [Ru(Mebimpy)(Mebim-pz)(OH2)]2+, [Ru(Mebimpy)(Mebim-py)(OH2)]2+, {Ru(Mebimpy)[4,4′-((HO)2OPCH2)2bpy](OH2)}2+ and Os(tpy)(bpy)(OH2)2+.
An electrode comprising (a) a complex according formula (I):
- wherein M is ruthenium (Ru) or osmium (Os), L1 is a bidentate ligand, L2 is a tridentate ligand, L3 is a monodentate ligand, and n is 2 or 1, and (b) a supporting substrate on which said catalyst is supported.
A photo-electrochemical cell comprising a catalyst comprising a complex, wherein the complex has a structure selected from the group consisting of [Ru(tpy)(bpy)(OH2)]2+, [Ru(tpy)(bpm)(OH2)]2+, [Ru(tpy)(bpz)(OH2)]2+, [Ru(tpy)(Mebim-pz)(OH2)]2+, [Ru(tpy)(Mebim-py)(OH2)]2+, [Ru(DMAP)(bpy)(OH2)]2+, [Ru(Mebimpy)(bpy)(OH2)]2+, [Ru(Mebimpy)(Mebim-pz)(OH2)]2+, [Ru(Mebimpy)(Mebim-py)(OH2)]2+, {Ru(Mebimpy)[4,4′-((HO)2OPCH2)2bpy](OH2)}2+ and Os(tpy)(bpy)(OH2)2+.
A photoelectrolytic device comprising (a) a catalyst comprising a complex according to formula (I):
- wherein M is ruthenium (Ru) or osmium (Os), L1 is a bidentate ligand, L2 is a tridentate ligand, L3 is a monodentate ligand, and n is 2 or 1, and (b) a supporting substrate on which said catalyst is supported.
Dependencies are inferred from the claim text.