Temperature effect on electrical characteristics of negative DC corona charged polyimide films
| Autor: | Z. Ziari, Hala Mallem, Salah Sahli |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Surface potential decay Materials science Analytical chemistry 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Kapton Sample temperature Corona (optical phenomenon) 0103 physical sciences Electric properties Electrical and Electronic Engineering Charge injection 0210 nano-technology Polyimide Corona discharge |
| Zdroj: | IEEE Transactions on Dielectrics and Electrical Insulation. 25:421-427 |
| ISSN: | 1070-9878 |
| DOI: | 10.1109/tdei.2017.006570 |
| Popis: | The study of the effect of sample temperature on the electric properties of PI films has been investigated. Surface potential decay (SPD) measurements on PI (Kapton HN, thickness: 50 μm) films were measured, after negative corona discharge, as a function of sample temperature varying from 27 to 80 °C. The measurements showed significant increase in the SPD rate with increasing sample temperature. Surface potential profile, return potential appearing after charge neutralization and charging current characteristics have been experimentally recorded for different sample temperatures in order to interpret SPD evolution at high sample temperature. The SPD curves were analyzed by fitting a bi-exponential decay Equation according to the presence of two different decay mechanisms related to shallow and deep traps. The distributions of trapped charges are obtained for different sample temperatures. |
| Databáze: | OpenAIRE |
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