The complementation of Resonance Raman, Raman Polarization data, and far infrared spectroscopy was used to determine the nature of the iodine moiety in iodine-doped poly(phenyl)acetylene. For the molar concentration range of iodine/polymer of 1 to 5, the predominant iodine entity in the iodine-doped conductive polymer appears to be I5-.
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FerraroJ. R. and MartinK., unpublished, data on DRIFT in the FIR. Similar results were obtained using Nujol mulls, but bands were substantially weaker because of the metallic nature of the doped polymer. Additionally, some loss of iodine was observed during mulling procedure.
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