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Influence of frequency, electrode material and superimposed dc on ac electroluminescence in polymer films

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4 Author(s)
Cisse, L. ; Lab. de Genie Electr., Univ. Paul Sabatier, Toulouse, France ; Teyssedre, G. ; Mary, D. ; Laurent, C.

Summarizes new results on the influence of some experimental parameters on ac electroluminescence (EL) of polymers used as insulating materials in electrical engineering. Electroluminescence under a uniform ac field is investigated in low density polyethylene (PE) and polyethylene naphthalate (PEN) films with semi-transparent electrodes on both sides. Particular emphasis is given to polyethylene. The dependence of EL on the voltage frequency is investigated in the range of 10-2 Hz to 10+2 Hz with the help of phase-resolved measurements. The influence of the electrode/polymer contact is investigated by changing the electrode material (gold, silver, and calcium). The effect of a superimposed dc bias on the ac voltage is also reported

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Dielectrics and Electrical Insulation, IEEE Transactions on  (Volume:9 ,  Issue: 1 )