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High light-to-energy conversion efficiencies for solar cells based on nanostructured ZnO electrodes
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics.
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1997 (English)In: Journal of Physical Chemistry B, ISSN 1520-6106, E-ISSN 1520-5207, Vol. 101, no 14, 2598-2601 p.Article in journal (Other academic) Published
Abstract [en]

Photoelectrochemical properties of nanostructured ZnO thin film electrodes have been investigated in the UV and visible regions. For films consisting of 15 nm large undoped crystallites a maximum monochromatic current conversion efficiency of 58% was obtained in the visible using a ruthenium-based dye as a sensitizer. The overall solar energy conversion efficiency for this film was 2%. In comparison, sensitized films consisting of 150 nm large Al-doped crystallites yield a monochromatic current conversion efficiency of 31% and an overall solar energy conversion efficiency of 0.5%. The study also shows that nanostructured ZnO may give high efficiencies in the UV region, approaching unity for the Al-doped films.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 1997. Vol. 101, no 14, 2598-2601 p.
Keyword [en]
Colloidal TIO2 Films, Photoelectrochemical Cells, Nanocrystalline, Sensitization
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-73607ISI: A1997WR42600029OAI: oai:DiVA.org:uu-73607DiVA: diva2:101517
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2016-04-20Bibliographically approved

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Rensmo, HåkanHagfeldt, AndersLindquist, Sten-Eric

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