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Sökning: WAKA:ref > Inganäs Olle > Jonforsen M. > (2002)

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1.
  • Jonforsen, M., et al. (författare)
  • Synthesis and characterization of poly(quinoxaline vinylene)s and poly(pyridopyrazine vinylene)s with phenyl substituted side-groups
  • 2002
  • Ingår i: Synthetic metals. - 0379-6779. ; 131:1-3, s. 53-59
  • Tidskriftsartikel (refereegranskat)abstract
    • Poly(quinoxaline vinylene) and poly(pyridopyrazine vinylene) with 3(2'-ethylhexyloxy)phenyl side-groups have been synthesized and compared with similar polymers with purely aliphatic side-chains. The new polymers had smaller bandgaps, and from cyclic voltammetry it was seen that the phenyl substituted side-groups made the polymers easier to reduce, with half wave potentials of -1.02 and -1.33 V versus Ag/AgCl for the poly(pyridopyrazine vinylene) and poly(quinoxaline vinylene) respectively. The attachment of the phenyl substituted side-groups had counteracting effects on the stability towards photo-oxidation, which resulted in improved stability of the poly(pyridopyrazine vinylene) compared to its equivalent with purely aliphatic side-chains, while the poly(quinoxaline vinylene) showed decreased stability. © 2002 Elsevier Science B.V. All rights reserved.
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2.
  • Jonforsen, M, et al. (författare)
  • Synthesis and characterization of soluble and n-dopable poly(quinoxaline vinylene)s and poly(pyridopyrazine vinylene)s with relatively small band gap
  • 2002
  • Ingår i: Macromolecules. - 0024-9297. ; 35:5, s. 1638-1643
  • Tidskriftsartikel (refereegranskat)abstract
    • Synthesis and characterization of poly(quinoxaline vinylene)s and poly(pyridopyrazine vinylene)s with linear and branched aliphatic side chains are reported. The electron affinity of the polymers was measured with cyclic voltammetry (CV) and found to be highest for the pyridopyrazine vinylene polymers, Compared to CN-MEH-PPV, the pyridopyrazine vinylene polymers were easier to reduce, while the quinoxaline derivatives were harder. UV-vis absorption measurements showed that the polymers have relatively small band gaps.
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refereegranskat (2)
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Johansson, Tomas, (2)
Andersson, M.R., (1)
Andersson, MR (1)
Spjuth, L., (1)
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