Conductivity percolation in polyiodide/polymer complexes

Forsyth, Maria, Shriver, Duward F., Ratner, Mark A., DeGroot, Donald C. and Kannewurf, Carl R. 1993, Conductivity percolation in polyiodide/polymer complexes, Chemistry of materials, vol. 5, no. 8, pp. 1073-1077.

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Title Conductivity percolation in polyiodide/polymer complexes
Author(s) Forsyth, Maria
Shriver, Duward F.
Ratner, Mark A.
DeGroot, Donald C.
Kannewurf, Carl R.
Journal name Chemistry of materials
Volume number 5
Issue number 8
Start page 1073
End page 1077
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 1993-08
ISSN 0897-4756
1520-5002
Summary Variable-temperature four-probe conductivity measurements and Raman spectroscopy were investigated for iodine in poly(propylene oxide) (PPO) and NaI3 in PPO. The Raman spectra indicate the presence of both triiodide and polyiodide species in samples of I2-doped PPO. The conductivity of these PPO/I2 samples increased with increasing I2 concentration and reached a plateau at approximately 12 vol % iodine. Raman spectra at 20 °C indicate that, at concentrations less than 23 vol % I3-, the dominant species is the triiodide. Polymer salt complexes with varying amounts of I3- appear to display a conductivity threshold near Tg, at 0.2 vol fraction of triiodide.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1993, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030141

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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