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Highly catalytic carbon nanotube counter electrode on plastic for dye solar cells utilizing cobalt-based redox mediator
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
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2013 (English)In: Electrochimica Acta, ISSN 0013-4686, E-ISSN 1873-3859, Vol. 111, 206-209 p.Article in journal (Refereed) Published
Abstract [en]

A flexible, slightly transparent and metal-free random network of single-walled carbon nanotubes (SWCNTs) on plain polyethylene terephthalate (PET) plastic substrate outperformed platinum on conductive glass and on plastic as the counter electrode (CE) of a dye solar cell employing a Co(II/III)tris(2,2'-bipyridyl) complex redox mediator in 3-methoxypropionitrile solvent. The CE charge-transfer resistance of the SWCNT film was 0.60 Omega cm(2), 4.0 Omega cm(2) for sputtered platinum on indium tin oxide-PET substrate and 1.7 Omega cm(2) for thermally deposited Pt on fluorine-doped tin oxide glass, respectively. The solar cell efficiencies were in the same range, thus proving that an entirely carbon-based SWCNT film on plastic is as good CE candidate for the Co electrolyte. (C) 2013 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2013. Vol. 111, 206-209 p.
Keyword [en]
Dye solar cell, Carbon nanotube, Plastic, Counter electrode, Cobalt complex, Electrolyte
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-218332DOI: 10.1016/j.electacta.2013.07.202ISI: 000329531100029OAI: oai:DiVA.org:uu-218332DiVA: diva2:695830
Available from: 2014-02-12 Created: 2014-02-11 Last updated: 2017-12-06Bibliographically approved

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Aitola, KerttuFeldt, SandraBoschloo, GerritHagfeldt, Anders

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