Re-excited states of solitons and polarons in conjugated polymers

  • Zhang D
  • Liu D
  • Mei L
 et al. 
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Abstract

π-Conjugated polymers have become an important class of materials for electronic devices. It was suggested recently that a charge flipping of spin carrier will take place when a charged polaron is re-excited by a photon. A possible photo-control valve or switch can be designed from this phenomenon. In the framework of the tight-binding approximation we studied the re-exciting process both in degenerate and non-degenerate polymers and checked all the possible re-excited states. © 2005 Published by Elsevier B.V.

Author-supplied keywords

  • Polaron
  • Polymer
  • Re-excited states
  • Soliton

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