Temperature Effect on Electrical Characteristics of Negative DC Corona Charged Polyimide Films

被引：12
|
作者：
Mallem, Hala [1 ]
Ziari, Zehira [1 ]
Sahli, Salah [1 ]
机构：
[1] Univ Freres Mentouri Constantine, LMI, Fac Sci Technol, Constantine, Algeria
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2018年 / 25卷 / 02期
关键词：
Charge injection; charging current; corona charging; PI; potential return; SPD; sample temperature; trapped charge density; SURFACE-POTENTIAL DECAY; KAPTON-H POLYIMIDE; TRANSPORT PROPERTIES; IRRADIATED POLYMERS; POLYPROPYLENE FILMS; INSULATORS; CONDUCTION; DYNAMICS; BEHAVIOR; TRAPS;
D O I：
10.1109/TDEI.2017.006570
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 mu m) films were measured, after negative corona discharge, as a function of sample temperature varying from 27 to 80 degrees 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.
引用
收藏
页码：421 / 427
页数：7
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