Solid-State and Electrochemical Properties of Polyselenophene

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Electrochemically grown polyselenophene films in both the oxidized electrolyte-doped state and the neutral undoped state have been characterized by a wide variety of techniques. Information on the growth, composition, and surface morphology of the polymer has been obtained. Electrical conductivity varies by 105 Ω-1 cm- 1 between the doped and undoped films. The temperature dependence of the electrical conductivity of the doped material is characteristic of a semiconductor. The Se atom of the ring contributes negligibly to the π-electron system of the polymer in the ground state, although it has an important effect on the conjugated chain length and the electrical conductivity. Bipolarons are found to play a predominant role in the electrical conduction mechanism.

Original languageAmerican English
Pages (from-to)190-194
Number of pages5
JournalJournal of Applied Physics
Issue number1
StatePublished - 1987

Bibliographical note

Work performed by Solar Energy Research Institute, Golden, Colorado, and Sandia National Laboratories, Albuquerque, New Mexico

NREL Publication Number

  • ACNR/JA-233-9456


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