Degradation effects in poly para-phenylene vinylene derivatives due to controlled oxygen exposure

F.J.J Janssen,L.J van IJzendoorn,H.F.M Schoo,J.M Sturm,G.G Andersson,A.W.Denier van der Gon,H.H Brongersma,M.J.A de Voigt

Synthetic Metals（2002）

Cited 23|Views13

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Abstract

The influence of oxygen exposure on three chemically different poly para-phenylene vinylene (PPV) derivatives used in polymeric light emitting devices (PLEDs) has been investigated. During device preparation, PPV layers have been exposed to oxygen either in the dark or during the irradiation with visible light, before the cathode was applied. Device efficiency was studied by electrical and optical characterisation and correlated to oxygen depth profiles measured with Elastic Recoil Detection Analysis (ERDA).

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Key words

Conducting polymers,Light emitting diodes,Oxygen,Elastic recoil detection analysis,Polymer structure,Electrical characterisation

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