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Photovoltaic cells with a conjugated polyelectrolyte
- Ding, L. (author)
-
- Jonforsen, M. (author)
- Department of Polymer Technology, Chalmers Univ. of Technol., S-41296, Göteborg, Sweden
- Roman, L.S. (author)
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- Department of Polymer Technology, Chalmers Univ of Technol., S-41296, Göteborg, Sweden Tekniska högskolan (creator_code:org_t)
- 2000
- 2000
- English.
- In: Synthetic metals. - 0379-6779 .- 1879-3290. ; 110:2, s. 133-140
- Journal article (peer-reviewed)
Abstract
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- We describe photovoltaic cells made from a novel conjugated polyelectrolyte, the lithium salt of poly(thiophene-3-acetic acid) (PTAA-Li). The aqueous solubility of this polyelectrolyte allows formation of blend electrodes with a dispersion of the metallic polymer Poly(Ethylene DiOxyThiophene) (PEDOT). The incident monochromatic photon to current conversion efficiency (IPCE) of the cells were improved up to 19% by blending PTAA-Li with PEDOT to modify the ITO electrode, in combination with the low bandgap polymer poly(3-(4-octylphenyl)thiophene) (POPT), and C60 as electron acceptor. We attribute the increase of efficiency to the improved contact area between the conjugated polyelectrolyte and PEDOT.
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
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- ref (subject category)
- art (subject category)
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- Ding, L.
- Jonforsen, M.
- Roman, L.S.
- Andersson, M.R.
- Inganäs, Olle
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- Synthetic metals
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- Linköping University
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