Solar water splitting in a molecular photoelectrochemical cell
Abstract
A Dye Sensitized Photoelectrosynthesis Cell (DSPEC) splits water with visible light using a derivatized, core/shell nanostructured photoanode with the core having a high surface area conductive metal oxide film--such as nanoITO (indium tin oxide) or nanoATO (antimony tin oxide)--coated with a thin outer shell of, for example, TiO2 formed by Atomic Layer Deposition (ALD). A "chromophore-catalyst assembly" 1, [(PO3H2)2bpy)2Ru(4-Mebpy-4-bimpy)Ru(tpy)(OH2)].s- up.4+, which combines both light absorber and water oxidation catalyst in a single molecule, is attached to the TiO2 shell. Visible photolysis of the resulting core/shell/assembly structure with a Pt cathode results in water splitting into hydrogen and oxygen.
- Inventors:
- Issue Date:
- Research Org.:
- The University of North Carolina at Chapel Hill, Chapel Hill, NC (United States); North Carolina State University, Raleigh, NC (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1493296
- Patent Number(s):
- 10119197
- Application Number:
- 14/479,995
- Assignee:
- The University of North Carolina at Chapel Hill (Chapel Hill, NC); North Carolina State University (Raleigh, NC)
- Patent Classifications (CPCs):
-
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- DOE Contract Number:
- SC0001011; FG26-08NT01925
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2014 Sep 08
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY
Citation Formats
Alibabaei, Leila, Brennaman, Matthew Kyle, Norris, Michael, Parsons, Gregory N., and Meyer, Thomas J. Solar water splitting in a molecular photoelectrochemical cell. United States: N. p., 2018.
Web.
Alibabaei, Leila, Brennaman, Matthew Kyle, Norris, Michael, Parsons, Gregory N., & Meyer, Thomas J. Solar water splitting in a molecular photoelectrochemical cell. United States.
Alibabaei, Leila, Brennaman, Matthew Kyle, Norris, Michael, Parsons, Gregory N., and Meyer, Thomas J. Tue .
"Solar water splitting in a molecular photoelectrochemical cell". United States. https://www.osti.gov/servlets/purl/1493296.
@article{osti_1493296,
title = {Solar water splitting in a molecular photoelectrochemical cell},
author = {Alibabaei, Leila and Brennaman, Matthew Kyle and Norris, Michael and Parsons, Gregory N. and Meyer, Thomas J.},
abstractNote = {A Dye Sensitized Photoelectrosynthesis Cell (DSPEC) splits water with visible light using a derivatized, core/shell nanostructured photoanode with the core having a high surface area conductive metal oxide film--such as nanoITO (indium tin oxide) or nanoATO (antimony tin oxide)--coated with a thin outer shell of, for example, TiO2 formed by Atomic Layer Deposition (ALD). A "chromophore-catalyst assembly" 1, [(PO3H2)2bpy)2Ru(4-Mebpy-4-bimpy)Ru(tpy)(OH2)].s- up.4+, which combines both light absorber and water oxidation catalyst in a single molecule, is attached to the TiO2 shell. Visible photolysis of the resulting core/shell/assembly structure with a Pt cathode results in water splitting into hydrogen and oxygen.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 06 00:00:00 EST 2018},
month = {Tue Nov 06 00:00:00 EST 2018}
}
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