Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/99780
Type: Artigo de periódico
Title: Disordered Distribution Of Defects In Polythiophene
Author: Lavarda F.C.
Dos Santos M.C.
Galvao D.S.
Laks B.
Abstract: In this work we study the electronic structure associated to a disordered distribution of bipolarons in polythiophene. The polymer chain is modelled by a tight-binding Hamiltonian with explicit treatment of electron-phonon coupling and the elastic energy of the sigma framework. The model also includes the electrostatic interaction due to the counterions. The density of states of the disordered system is obtained by the use of the Negative Factor Counting technique. Our results show that ion-induced conformational disorder can account for the closure of the gap and that the states around the Fermi level are extended. © 1993.
Editor: 
Rights: fechado
Identifier DOI: 10.1016/0379-6779(93)90773-P
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-43949166607&partnerID=40&md5=42621fb41a3a2d962ec69db339b478a2
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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