Cobalt Containing Polyimide Films Treated by Nanosecond Pulsed Electrical Discharges in Water

Camelia Miron, Jie Zhuang, Michal Balcerak, Marcin Holub, Angela Kruth, Antje Quade, Ion Sava, Klaus DIeter Weltmann, Juergen F. Kolb

研究成果: Article

3 引用 (Scopus)

抄録

This paper describes the effect of nanosecond pulsed electrical discharges generated in distilled water on cobalt-modified fluorinated polyimide (PI) films derived from hexafluoroisopropylidendiphthalic dianhydride and 4,4'-diamino-3,3'-dimethyl diphenylmethane. The PI films have been characterized by dielectric spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction (XRD) measurements. The relative permittivity of the PI films increased after treatment by water plasma. The XRD analysis has shown a slight increase of the degree of intermolecular ordering and stronger π-π interactions with the increase of the plasma treatment time. Application of nanosecond high-voltage pulses has induced an increase in concentration of CF3 groups at the polymer surface. A decrease of the cobalt and chlorine fractions, due to their migration into water, and an increase of aliphatic C-C bonds at the film surface may be responsible for the relative permittivity modification after exposure to water plasma.

元の言語English
ページ(範囲)2708-2714
ページ数7
ジャーナルIEEE Transactions on Plasma Science
44
発行部数11
DOI
出版物ステータスPublished - 2016 11 1
外部発表Yes

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polyimides
cobalt
water
permittivity
x rays
diffraction
chlorine
high voltages
photoelectron spectroscopy
polymers
pulses
spectroscopy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

これを引用

Cobalt Containing Polyimide Films Treated by Nanosecond Pulsed Electrical Discharges in Water. / Miron, Camelia; Zhuang, Jie; Balcerak, Michal; Holub, Marcin; Kruth, Angela; Quade, Antje; Sava, Ion; Weltmann, Klaus DIeter; Kolb, Juergen F.

:: IEEE Transactions on Plasma Science, 巻 44, 番号 11, 01.11.2016, p. 2708-2714.

研究成果: Article

Miron, C, Zhuang, J, Balcerak, M, Holub, M, Kruth, A, Quade, A, Sava, I, Weltmann, KDI & Kolb, JF 2016, 'Cobalt Containing Polyimide Films Treated by Nanosecond Pulsed Electrical Discharges in Water', IEEE Transactions on Plasma Science, 巻. 44, 番号 11, pp. 2708-2714. https://doi.org/10.1109/TPS.2016.2600280
Miron, Camelia ; Zhuang, Jie ; Balcerak, Michal ; Holub, Marcin ; Kruth, Angela ; Quade, Antje ; Sava, Ion ; Weltmann, Klaus DIeter ; Kolb, Juergen F. / Cobalt Containing Polyimide Films Treated by Nanosecond Pulsed Electrical Discharges in Water. :: IEEE Transactions on Plasma Science. 2016 ; 巻 44, 番号 11. pp. 2708-2714.
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AU - Quade, Antje

AU - Sava, Ion

AU - Weltmann, Klaus DIeter

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AB - This paper describes the effect of nanosecond pulsed electrical discharges generated in distilled water on cobalt-modified fluorinated polyimide (PI) films derived from hexafluoroisopropylidendiphthalic dianhydride and 4,4'-diamino-3,3'-dimethyl diphenylmethane. The PI films have been characterized by dielectric spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction (XRD) measurements. The relative permittivity of the PI films increased after treatment by water plasma. The XRD analysis has shown a slight increase of the degree of intermolecular ordering and stronger π-π interactions with the increase of the plasma treatment time. Application of nanosecond high-voltage pulses has induced an increase in concentration of CF3 groups at the polymer surface. A decrease of the cobalt and chlorine fractions, due to their migration into water, and an increase of aliphatic C-C bonds at the film surface may be responsible for the relative permittivity modification after exposure to water plasma.

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