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Title: Metal oxide-encapsulated dye-sensitized photoanodes for dye-sensitized solar cells

Dye-sensitized semiconducting metal oxide films for photoanodes, photoanodes incorporating the films and DSCs incorporating the photoanodes are provided. Also provided are methods for making the dye sensitized semiconducting metal oxide films. The methods of making the films are based on the deposition of an encapsulating layer of a semiconducting metal oxide around the molecular anchoring groups of photosensitizing dye molecules adsorbed to a porous film of the semiconducting metal oxide. The encapsulating layer of semiconducting metal oxide is formed in such a way that it is not coated over the chromophores of the adsorbed dye molecules and, therefore, allows the dye molecules to remain electrochemically addressable.
Inventors:
;
Issue Date:
OSTI Identifier:
1234500
Assignee:
Northwestern University EFRC
Patent Number(s):
9,236,194
Application Number:
13/767,270
Contract Number:
SC0001059
Resource Relation:
Patent File Date: 2013 Feb 14
Research Org:
Northwestern Univ., Evanston, IL (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE

Other works cited in this record:

Effect of atomic layer deposited ultra thin HfO2 and Al2O3 interfacial layers on the performance of dye sensitized solar cells
journal, March 2010
  • Shanmugam, Mariyappan; Baroughi, Mahdi Farrokh; Galipeau, David
  • Thin Solid Films, Vol. 518, Issue 10, p. 2678-2682
  • DOI: 10.1016/j.tsf.2009.08.033

Effect of an Ultrathin TiO2 Layer Coated on Submicrometer-Sized ZnO Nanocrystallite Aggregates by Atomic Layer Deposition on the Performance of Dye-Sensitized Solar Cells
journal, April 2010
  • Park, Kwangsuk; Zhang, Qifeng; Garcia, Betzaida Battalla
  • Advanced Materials, Vol. 22, Issue 21, p. 2329-2332
  • DOI: 10.1002/adma.200903219

Water-Based Electrolytes for Dye-Sensitized Solar Cells
journal, August 2010
  • Law, ChunHung; Pathirana, Shehan C.; Li, Xaioe
  • Advanced Materials, Vol. 22, Issue 40, p. 4505-4509
  • DOI: 10.1002/adma.201001703

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