The Chemistry of Polyacetylene Doping.

Abstract

Natural abundance 13C Nuclear Magnetic Resonance experiments using cross polarization and magic angle spinning provide a unique method for monitoring the doping of polyacetylene. In contrast with previous authors we find that the doping of cis-polyacetylene with AsF5 leads, even at low doping levels, to a new signal characteristic of the doped regions of the polymer. Similar measurements on trans-polyacetylene indicate that the doping of the trans isomer proceeds considerably more uniformly than that of the cis isomer. Comparisons with appropriate model compounds suggest that the observed shift of the 13C NMR signal on doping is primarily a chemical shift rather than a Knight shift. Finally we discuss recent results on the nature of proton acid doping of polyacetylene, a process which shows remarkable similarities to oxidative doping. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 31, 1981
Accession Number
ADA107165

Entities

People

  • B. W. Mcquillan
  • G. B. Street
  • J. C. Scott
  • J. F. Rabalt
  • T. C. Clarke

Organizations

  • International Business Machines Corporation (Armonk, NY)

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acquisition
  • Chemical Shifts
  • Chemistry
  • Contrast
  • Controlled Atmospheres
  • Cross Polarization
  • Energy Bands
  • Infrared Spectra
  • Magnetic Resonance
  • Materials
  • Measurement
  • Military Research
  • Nuclear Magnetic Resonance
  • Polarization
  • Resonance
  • Spectra
  • United States

Readers

  • Marine Ecotoxicology
  • Polymer Science and Technology
  • Positioning, Navigation, and Timing (PNT) Technology.