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Mesoporous TiO<inf>2</inf>nanowires as bi-functional materials for dye-sensitized solar cells

UNSPECIFIED (2012) Mesoporous TiO<inf>2</inf>nanowires as bi-functional materials for dye-sensitized solar cells. Electrochimica Acta, 74. 83 - 86. ISSN 0013-4686

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Abstract

A bimodal structured TiO2nanowire (NW) was synthesized via metal glycolate-mediated method. Each large NW was comprised of a few nanometers-sized anatase particles, which led to a high specific surface area, 50.4 m2g-1. When the bimodal TiO2NWs were coated onto a spherical nanoparticle-based active layer of the photoelectrode for a dye-sensitized solar cell, the reflectance of the photoelectrode increased by 4-times, compared to a bare active layer. The TiO2NWs increased quantum efficiency of the dye-sensitized solar cell, from 400 to 800 nm wavelengths, which was attributed to both the light-scattering and charge generating effects due to the capability of reflecting incident light and adsorbing large amount of dye molecules. © 2012 Elsevier Ltd.


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Details

Item Type: Article
Status: Published
Centers: Other Centers, Institutes, or Units > Petersen Institute of NanoScience and Engineering
Date: 15 July 2012
Date Type: Publication
Journal or Publication Title: Electrochimica Acta
Volume: 74
Page Range: 83 - 86
DOI or Unique Handle: 10.1016/j.electacta.2012.04.008
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
ISSN: 0013-4686
Date Deposited: 22 Oct 2014 13:33
Last Modified: 05 Jan 2019 21:55
URI: http://d-scholarship.pitt.edu/id/eprint/23384

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