An Experimental Work On The Electrical Conductivity Of PEG Under Changing Relative Humidity

An Experimental Work On The Electrical Conductivity Of PEG Under Changing Relative Humidity

Polyethylene glycol (PEG) thin films are investigated experimentally. Dc measurements are done under changing relative humidity (rh) to study the change in the electrical conductivity. Upto 70 % rh, electronic conduction takes place with the increase in the current as a result of the absorbed water....

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Hauptverfasser: Erdamar, O, Skarlatos, Y, Aktas, G, Inci, M N
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Skarlatos, Y
Aktas, G
Inci, M N
description Polyethylene glycol (PEG) thin films are investigated experimentally. Dc measurements are done under changing relative humidity (rh) to study the change in the electrical conductivity. Upto 70 % rh, electronic conduction takes place with the increase in the current as a result of the absorbed water. Around 70 % rh, the polymer melts from the semicrystalline form, the water vapor condenses and conduction begins to take an ionic nature. At that point, the current shows a sudden increase. After 75 % rh, the conductivity shows irregularities with respect to the increase in rh. There is a hysterisis between the absorption and desorption of water as the film can not get its pre-absorption form, which can be maintained after drying the sample, in the time interval of desorption.
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title An Experimental Work On The Electrical Conductivity Of PEG Under Changing Relative Humidity
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