Effect of Dielectric Barrier Discharge (DBD) Treatment on the Dielectric Properties of Poly(vinylidene fluoride)(PVDF)-Based Copolymer

被引：5
作者：
Liu, Jie [1 ,2 ]
Zhou, Yang [1 ,2 ]
Yi, Kewang [1 ,2 ]
Zhang, Shihai [3 ]
Shao, Tao [4 ]
Zhang, Cheng [4 ]
Chu, Baojin [1 ,2 ]
机构：
[1] Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Peoples R China
[3] Strateg Polymer Sci Inc, 200 Innovat Blvd, State Coll, PA 16803 USA
[4] Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China
来源：
POLYMERS | 2020年 / 12卷 / 06期
基金：
中国国家自然科学基金;
关键词：
dielectric barrier discharge; polymers; dielectric breakdown strength; dielectric properties; HIGH-ENERGY-DENSITY; SURFACE MODIFICATION; BREAKDOWN; FILMS; POLYMERS; OXIDE;
D O I：
10.3390/polym12061370
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Understanding the mechanism of dielectric breakdown is important for improving the breakdown field of a polymer. In this work, dielectric barrier discharge (DBD) treatment was applied to one surface of P(VDF-CTFE) (vinylidene fluoride-chlorotrifluoroethylene) film, and the dielectric properties of the film were studied. When the treated surface was connected to the high potential side of the power source for the breakdown test, the breakdown field of the treated film was significantly reduced compared to that of the pristine film. Based on the characterization results for the surface chemistry and morphology, it was proposed that the phenomenon was caused by the combined effects of hole injection from the metal electrode and the damage of polymer chains near the surface of the polymer film after the DBD treatment process.
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页数：9
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