Nonlinear excitations in pernigraniline, the oxidized form of polyaniline

M. C. Dos Santos, Jean-Luc Bredas

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

The electronic structure of fully oxidized polyaniline, pernigraniline, is investigated in the framework of the Su-Schrieffer-Heeger Hamiltonian, making use of an original renormalization technique. Among the family of polyanilines, pernigraniline is the only form to possess a degenerate ground state. It is shown to accomodate elementary excitations of soliton and polaron types having remarkable properties, in some instances markedly different from those predicted for the so-called AB polymer. Nonlinear optical properties of the material are expected to be important.

Original languageEnglish (US)
Pages (from-to)2499-2502
Number of pages4
JournalPhysical Review Letters
Volume62
Issue number21
DOIs
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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