Abstract
AbstractThe activation energies of in‐plane highly electrically conductive 2‐dodecyl‐7,7,8,8‐tetracyanoquinodimethane (C12 TCNQ)/arachidic acid (C20) hetero‐LB films and C12TCNQ homo‐LB films were determined by thermally stimulated current (TSC) measurement. The TSC curves for the upper Al electrode/C12TCNQ/C20/lower Al electrode were nearly of the same shape as those for the upper Al electrode/C12TCNQ/lower Al electrode. The activation energies of the upper Al electrode/C12TCNQ/C20/lower Al electrode and upper Al electrode/C12TCNQ/lower Al electrode were 0.9–1.3 eV at 55–80°C and 1.6–1.8 eV at 105–120°C, respectively. The TSC curves for the upper Al electrode/C12TCNQ/C20/lower Al electrode and upper Al electrode/C12TCNQ/lower Al electrode had two peaks at 55–80°C owing to the depolarization of the electric dipole and two peaks at 105–120°C owing to the movement of space charges in the C12TCNQ molecule. Copyright © 2008 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
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