Organic ionic plastic crystal electrolytes; a new class of electrolyte for high efficiency solid state dye-sensitized solar cells

Armel, Vanessa, Forsyth, Maria, MacFarlane, Douglas R. and Pringle, Jennifer M. 2011, Organic ionic plastic crystal electrolytes; a new class of electrolyte for high efficiency solid state dye-sensitized solar cells, Energy and environmental science, vol. 4, no. 6, pp. 2234-2239.

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Title Organic ionic plastic crystal electrolytes; a new class of electrolyte for high efficiency solid state dye-sensitized solar cells
Author(s) Armel, Vanessa
Forsyth, Maria
MacFarlane, Douglas R.
Pringle, Jennifer M.
Journal name Energy and environmental science
Volume number 4
Issue number 6
Start page 2234
End page 2239
Total pages 6
Publisher Royal Society of Chemistry
Place of publication Cambridge, U. K.
Publication date 2011-06
ISSN 1754-5692
1754-5706
Keyword(s) nanostructured materials
photoelectrochemical cells
plasticity
solar cells
solid electrolytes
Summary Dye-sensitized solar cells are an increasingly promising alternative to conventional silicon solar cells as a method of converting solar energy to electricity and thus providing an effectively inexhaustible energy source. However, the most efficient of these devices currently utilize liquid electrolytes, which suffer from the associated problems of leakage and evaporation. Hence, significant research is currently focused on the development of solid state alternatives. Here we report a new class of solid state electrolyte for these devices, organic ionic plastic crystal electrolytes, that allow relatively rapid diffusion of the redox couple through the matrix, which is critical to the cell performance. A range of different organic ionic plastic crystal materials, utilizing different cation and anion structures, have been investigated and the conductivities, diffusion rates and photovoltaic performance of the electrolytes are reported. The best material, utilizing the dicyanamide anion, achieves efficiencies of more than 5%.
Language eng
Field of Research 030399 Macromolecular and Materials Chemistry not elsewhere classified
030604 Electrochemistry
Socio Economic Objective 850504 Solar-Photovoltaic Energy
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2011, The Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044247

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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