Vibrational Spectroscopy of Iodine-Doped Substituted Polyacetylenes

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Raman and far-infrared (FIR) data for iodine-doped substituted polyacetylenes, such as poly(2-propyn-1-ol)-(POHP) and poly(benzyl-propargylamine)-(PBPA) are reported. The data are consistent with an I5 (I2 . . . I3) dopant species in the heavily doped polymers. Solution and solid data provided similar vibrational results. Stability of the polymeric radical cation and the polyiodide anion moiety in tetrahydrofuran is attributed to the solvation effects of the ions by the solvent. New data on heavily doped poly(phenyl)acetylene (PPA) are presented.

Keywords: Electroactive polymers; Far-infrared spectra; Iodine-doped substituted polyacetylenes; Poly(2-propyn-1-ol)acetylene; Poly(benzylpropargylamine)acetylene; Poly(phenyl)acetylene; Raman spectroscopy

Document Type: Research Article


Affiliations: 1: Loyola University, Chemistry Department, Chicago, Illinois 60626 2: Universita di Roma, Dipartimento di Chimica, Rome, Italy

Publication date: July 1, 1987

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