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Surface-plasmon assisted energy conversion in dye-sensitized solar cells

Ding, B and Lee, BJ and Yang, M and Jung, HS and Lee, JK (2011) Surface-plasmon assisted energy conversion in dye-sensitized solar cells. Advanced Energy Materials, 1 (3). 415 - 421. ISSN 1614-6832

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In this study, the effect of plasmonic core-shell structures, consisting of dielectric cores and metallic nanoshells, on energy conversion in dye-sensitized solar cells (DSSCs) is investigated. The structure of the core-shell particles is controlled to couple with visible light so that the visible component of the solar spectrum is amplified near the core-shell particles. In core-shell particle-TiO 2 nanoparticle films, the local field intensity and light pathways are increased due to the surface plasmons and light scattering. This, in turn, enlarges the optical cross-section of dye sensitizers coated onto the mixed films. When 22 vol% of core-shell particles are added to a 5 μ m thick TiO 2 film, the energy conversion efficiency of DSSCs increases from 2.7% to 4.0%, in spite of a more than 20% decrease in the amount of dyes adsorbed on the composite films. The correaltion between core-shell particle content and energy conversion efficiency in DSSCs is explained by the balance among near-field effects, light scattering efficiency, and surface area in the composite films. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Ding, B
Lee, BJ
Yang, M
Jung, HS
Lee, JKjul37@pitt.eduJUL370000-0002-7778-7679
Centers: Other Centers, Institutes, Offices, or Units > Petersen Institute of NanoScience and Engineering
Date: 1 May 2011
Date Type: Publication
Journal or Publication Title: Advanced Energy Materials
Volume: 1
Number: 3
Page Range: 415 - 421
DOI or Unique Handle: 10.1002/aenm.201000080
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
ISSN: 1614-6832
Date Deposited: 15 Oct 2014 20:37
Last Modified: 22 Jun 2021 13:56


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