Abstract
This paper describes thermally stimulated currents (TSCs) of arachidic acid (AA) and polyamic acid alkylamine salts (PAAS) Langmuir–Blodgett (LB) films. The measurements were performed from room temperature to about 250°C and the temperature was increased at a rate of 0.2°C/s linearly. Two peaks are observed at about 70°C and 90°C in the arachidic acid LB films, and at about 70°C and 160°C in the PAAS LB films. They indicate that the peak at 70°C arises from the alkyl group, and the other peak at 160°C in PAAS LB film may be due to the C–O group. Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) of the PAAS and arachidic acid powder were measured and analyzed.
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