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High-surface-area, interconnected, nanofibrillar TiO2 structures as photoanodes in dye-sensitized solar cells

Lookup NU author(s): Dr Stevin Pramana

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Abstract

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.


Publication metadata

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

Year: 2013

Volume: 68

Issue: 7

Pages: 487-490

Print publication date: 01/04/2013

Online publication date: 03/12/2012

ISSN (print): 1359-6462

ISSN (electronic): 1872-8456

Publisher: Pergamon Press

URL: https://doi.org/10.1016/j.scriptamat.2012.11.027

DOI: 10.1016/j.scriptamat.2012.11.027


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