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- W4313462481 abstract "Wettability of polyimide (PI) films modified by atomic oxygen (AO) was investigated by contact angle measurements. The PI films with/without being covered by a metal mesh were exposed to the AO beam with fluences from 1.4x 1016 to 9x 1018 atoms/cm2. The atomic force microscopy (AFM) and the X-ray photoelectron spectroscopy (XPS) were used to characterize the PI film surfaces. Both the roughness and the oxygen concentration at the PI surface increased by the AO exposure. The advancing and the receding contact angles of water on the PI films were measured both by the sessile drop method and by the Wilhelmy method. The contact angles measured by these two methods were identical for the PI samples both with/without AO exposures. In the case of the AO-exposed PI films being covered by the metal mesh, the contact angles were evaluated by the Wilhelmy method. A difference in contact angles on the exposed and the covered areas was clearly observed. It was also found that the wettability of the AO-exposed PI films was related to the amount of oxygen detected by the XPS." @default.
- W4313462481 created "2023-01-06" @default.
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- W4313462481 date "2023-01-03" @default.
- W4313462481 modified "2023-10-18" @default.
- W4313462481 title "Wettability of polyimide films modified by exposure to atomic oxygen" @default.
- W4313462481 doi "https://doi.org/10.1201/9780429070419-26" @default.
- W4313462481 hasPublicationYear "2023" @default.
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