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Sökning: WAKA:ref > Inganäs Olle > Roman L.S. > Tidskriftsartikel > Jonforsen M. > Refereegranskat

  • Resultat 1-2 av 2
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  • Ding, L., et al. (författare)
  • Photovoltaic cells with a conjugated polyelectrolyte
  • 2000
  • Ingår i: Synthetic metals. - 0379-6779. ; 110:2, s. 133-140
  • Tidskriftsartikel (refereegranskat)abstract
    • 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.
  • Jonforsen, M., et al. (författare)
  • Photodiodes made from poly(pyridopyrazine vinylene) : polythiophene blends
  • 2001
  • Ingår i: Synthetic metals. - 0379-6779. ; 119:1-3, s. 185-186
  • Tidskriftsartikel (refereegranskat)abstract
    • A PPV-type polymer with the pyridopyrazine heterocycle (EHH-PPyPzV) has been synthesised and found to have high electron affinity according to electrochemical measurements. When used as the electron accepting material in single-layer-photodiodes, with a thiophene copolymer (PEOPT-co-PAAPT) as the electron donating material, IPCE (incident photon to current conversion efficiency) up to 1% was measured. Atomic force microscopy was used to analyse the blend morphology in the devices.
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Andersson, M.R., (2)
Svensson, M. (1)
Johansson, Tomas, (1)
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Larsson, J. (1)
Ding, L. (1)
Ahmad, I, (1)
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