Plasma-Induced Modification Mechanisms of PET Films: Correlated Evolution of Topographical Features and Surface Chemical States.

Furthermore, as the RF power was increased from 20 W to 100 W, the content of polar groups exhibited a decreasing trend, which was consistent with the data in Table 7 and was also attributed to excessive etching of the PET surface by the plasma under higher-power conditions [ 39 ]. 4.

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