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À propos de : A Simple Method for Fabricating PolymericLight-Emitting Diodes        

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  • A Simple Method for Fabricating PolymericLight-Emitting Diodes
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  • A simple, inexpensive method involving chemical deposition ofsilver metal onto a polymerlayer by noncatalytic chemical reduction from silver nitrate solutionis used in the fabricationof polymeric light-emitting diodes (LEDs). The method yieldedsilver films with good polymer/metal interfaces and the resulting LEDs emitted light uniformly over theentire device area,but the emission efficiencies were lower by an order of magnitudecompared to LEDs withvacuum-deposited metal electrodes. The chemical deposition of themetal film was carriedout on a lab bench in open air without any special precautions. Inaddition to its costadvantage over vacuum deposition methods, the chemical process may alsoallow fabricationof polymer LEDs on nonflat and/or large area substrates.
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