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Title: 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 Univ., Raleigh, NC (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1493296
Patent Number(s):
10,119,197
Application Number:
14/479,995
Assignee:
The University of North Carolina at Chapel Hill (Chapel Hill, NC); North Carolina State University (Raleigh, NC)
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 = {2018},
month = {11}
}

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