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High Electric Field and Energetic Processes in Poly(ethylene naphthalate)

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Academic year: 2021

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Figure

Fig. 1. Molecular structure of the (a)  poly(ethylene terephthalate) –PET  and (b) poly(ethylene naphthalate) –PEN [5]
Fig. 3. In blue: UV-vis absorption spectrum of a 25µm thick PEN film [10].
Fig. 5. Current-voltage characteristics for 70µm thich PEN films in  amorphous state (diamond) and semi-crystalline state(40% crystallinity)
Fig. 9. EL-field characteristics under sine ac stress at different frequencies.
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