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Molten and Solid Trialkylsulfonium Iodides and Their Polyiodides as Electrolytes in Dye-Sensitized Nanocrystalline Solar Cells
KTH, Oorganisk kemi / Inorganic Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical Chemistry.
KTH, Oorganisk kemi / Inorganic Chemistry.
2003 (English)In: Journal of Physical Chemistry B, ISSN 1520-6106, E-ISSN 1520-5207, Vol. 107, no 49, 13665-13670 p.Article in journal (Refereed) Published
Abstract [en]

Potential new electrolytes for dye-sensitized nanocrystalline solar cells (DNSCs) of Grätzel type based on trialkylsulfonium iodides have been investigated. Room temperature molten salts of (Et2MeS)I, (Bu2MeS)I, and (Bu2EtS)I, with iodine in low concentrations, revealed good conducting abilities. DNSCs using iodine-doped (Bu2MeS)I as electrolyte achieved an overall light-to-electricity conversion efficiency of 3.7% in simulated AM 1.5 solar light at a light intensity of 0.1 Sun. The effects from varying the temperature during the I/V measurements were studied, as well as the effects of 4-tert-butylpyridine treatment of the electrodes.

Place, publisher, year, edition, pages
American Chemical Society , 2003. Vol. 107, no 49, 13665-13670 p.
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-46775DOI: 10.1021/jp036859vOAI: oai:DiVA.org:uu-46775DiVA: diva2:74682
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-12-05

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Hagfeldt, Anders

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