Influence of oxygen on electrical properties of styrene thin film polymerized in a glow discharge

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Abstract
The conductivity and the capacitance of thin polystyrene films polymerized in the atmosphere of a glow discharge were measured in vacuum, argon, oxygen, and air. The conduction current did not change apparently with an introduction of argon, but decreased abruptly with an introduction of oxygen. Such a trend was also found on the capacitance. The concurrent changes in conductivity and capacitance may be due to a reaction of free radical with oxygen. These experimental results can be interpreted as a disappearance of space charge on exposure to oxygen.

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