Lookup NU author(s): Dr Stevin Pramana
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The utilization of high-surface-area, nanofibrillar, electrospun TiO 2 thin films with intact fiber morphology as photoanodes in dye-sensitized solar cells has been demonstrated. Electrochemical impedance spectroscopy measurements indicated that these photoanodes exhibited good charge transport and collection. Devices fabricated from these interconnected nanofibers (3 μm thick) attained efficiencies of 4.2% (N719 dye). For comparison, nanoparticle photoanodes of similar thickness were also prepared. The fabrication steps of the cells which preserve the interconnected morphology of the photoanodes are simple and economical. © 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Author(s): Sabba D, Mathews N, Chua J, Pramana SS, Mulmudi HK, Wang Q, Mhaisalkar SG
Publication type: Article
Publication status: Published
Journal: Scripta Materialia
Print publication date: 01/04/2013
Online publication date: 03/12/2012
ISSN (print): 1359-6462
ISSN (electronic): 1872-8456
Publisher: Pergamon Press
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