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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, p. 206-209Article 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, p. 206-209
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, id: 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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