Electrical conductivity of solution-grown poly(2,6-dimethyl-1,4-phenylene oxide) films

The electrical conductivity of solution-grown poly(2,6-dimethyl-1,4-phenylene oxide) films sandwiched between planar metal electrodes was investigated at voltages between 50 and 2000 V as a function of thickness from 36 to 70 micro m at room temperature (298 K), and as a function of temperature in t...

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Bibliographic Details
Published in:Thin solid films 1991-02, Vol.196 (2), p.361-367
Main Authors: Kalkar, A.K., Kundagol, Shankar, Chand, Suresh, Chandra, Subhas
Format: Article
Language:English
Subjects:
Applied sciences
Electrical, magnetic and optical properties
Exact sciences and technology
Physical properties
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Summary:The electrical conductivity of solution-grown poly(2,6-dimethyl-1,4-phenylene oxide) films sandwiched between planar metal electrodes was investigated at voltages between 50 and 2000 V as a function of thickness from 36 to 70 micro m at room temperature (298 K), and as a function of temperature in the range 298–353 K at a constant thickness of 70 micro m. Two distinct regions of conduction are apparent: ohmic conduction at low field (region I), the slope of the log current voltage characteristics being about one; and non-ohmic conduction at higher fields (region II), the slope being about two. Space-charge-limited conduction (SCLC) has been suggested as the dominant mechanism of conduction at high fields.
ISSN:0040-6090
1879-2731
DOI:10.1016/0040-6090(91)90379-C