Plasma discharge power dependent AC conductivity of plasma poly(ethylene oxide) thin films
作者： S. Yakut , K. Ulutas , D. Deger
DOI: 10.1016/J.TSF.2017.10.048
关键词:
摘要: Abstract Plasma polymerized poly(ethylene oxide) thin film samples with thickness of 500 nm were deposited using plasma assisted physical vapour deposition at radio-frequency discharge powers 0, 2, 5 and 30 W, respectively. For comparison, a conventional precursor was also investigated. In order to investigate the effect power on cross-linking density precursors, structural characterization differential scanning calorimetry (DSC) Fourier transform infrared spectroscopy performed. Structural analysis showed that increased upon increasing power. This increase observed as an in dynamic glass transition temperature during DSC measurements. addition these characterizations, dielectric response precursors measured. The results changes changed alternative current (AC) conductivity. measured temperatures obtained are accordance from temperature-dependent AC conductivity results. It exhibits Arrhenius behaviour. activation energies for polymer 0.38 eV 0.5 eV dependent energy indicate fragmentation long chains into more smaller oligomers radicals occurred
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