Optical and Magnetic Signatures of Localized Excitations in Pernigraniline: Role of Neutral Solitons

Abstract

Using a tight-binding Hamiltonian we study the Peierls distorted form of polyaniline, the pernigraniline base (PNB) polymer. Both bond order and ring torsional degrees of freedom are considered in the conformational relaxation. The geometrical and electronic structures of the localized solitonic and polaronic excitations are calculated. Comparison with available optical and magnetic measurements is made. Particular emphasis is placed on the spectroscopic and magnetic features of neutral solitons.

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Document Details

Document Type
Technical Report
Publication Date
Jun 29, 1992
Accession Number
ADA260001

Entities

People

  • Arthur J. Epstein
  • W.p. Su

Organizations

  • University of Pennsylvania

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Absorption
  • Chemistry
  • Conductive Polymers
  • Electrons
  • Energy Bands
  • Energy Gaps
  • Energy Levels
  • Excitation
  • Ground State
  • High Temperature
  • Low Temperature
  • Magnetic Signatures
  • Materials
  • Physics
  • Polyanilines
  • Polymers
  • Semi-Flexible Rod Polymers

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Polymer Science and Technology

Technology Areas

  • Microelectronics