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The charge carrier trap energy levels of two different polyimide films characterized by three methods

  • Key Lab of the Ministry of Education for Process Control and Efficiency Egineering

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

The charge carrier trap energy level is an important parameter that will affect the electrical and optical properties of insulating and semiconducting materials. Depending on the characterizing methods, it has a remarkable difference. The trap energy levels of two kinds of polyimide films, original (100HN) and corona-resistant (100CR) ones produced by Dupont, are estimated by depolarization current, space charge limited current and thermally stimulated current method. The corresponding values are 1.185eV-1.200eV and 1.168eV-1.220eV, 0.93eV and 0.76eV, 0.65-0.91eV and 0.60-0.90eV, respectively. These results show that the trap energy level of polymers comes significantly under the influence of heating procedures, and the shallower traps are constructed in corona-resistant polyimide film.

Original languageEnglish
Title of host publication2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2009
Pages891-894
Number of pages4
DOIs
StatePublished - 2009
Externally publishedYes
Event2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2009 - Harbin, China
Duration: 19 Jul 200923 Jul 2009

Publication series

NameProceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials

Conference

Conference2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials, ICPADM 2009
Country/TerritoryChina
CityHarbin
Period19/07/0923/07/09

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