G. Will, N. Masciocchi, et al.
Zeitschrift fur Kristallographie - New Crystal Structures
Doping of polyacetylene with arsenic pentafluoride is found to involve oxidation of the polymer according to the mechanism: 2(CH)x + 3AsF5 → 2(CH)+x + 2AsF-6 + AsF3. The AsF-6 ions intercalate beteeen the polymer chains in a nonrandom fashion. Oxidation of the polymer is accompanied by replacement of the original interband transition in the visible by a featureless transition extending into the infrared. Treatment of the doped polyacetylene with ammonia destroys the enhanced conductivity and regenerates a visible spectrum similar to that of the undoped polymer but somewhat blue-shifted. Possible explanations are offered for these results in terms of the proposed mechanism of doping. © 1979.
G. Will, N. Masciocchi, et al.
Zeitschrift fur Kristallographie - New Crystal Structures
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MRS Spring Meeting 1993
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