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Tin oxide as a transparent electrode material for light-emitting diodes fabricated with poly (p-phenylene vinylene)

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Abstract

We have fabricated light emitting diodes (LED) with poly (p-phenylene vinylene) (PPV) as the emissive layer and tin oxide (TO) as the transparent conducting positive electrode and aluminium as the negative electrode. The fabrication conditions are optimized for visible light emission in these TO/PPV/Al LEDs. The threshold voltage for substantial charge injection for visible light emission in these LEDs lies below 10V. The device fabrication and electrical characterization of TO/PPV/Al LEDs are discussed in this communication.

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Authors and Affiliations

  1. Departamento de Física, Universidade Federal do Paraná, Cx. Postal 19081, 81531-990, Curitiba PR, Brasil

    I A Hümmelgen, Y P Yadava, L S Roman, A C Arias, M R Fernandes & F C Nart

  2. Instituto de Química de São Carlos, Universidade de São Paulo, Cx. Postal 780, 13560-970, São Carlos SP, Brasil

    M R Fernandes

Authors
  1. I A Hümmelgen
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  2. Y P Yadava
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  3. L S Roman
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  4. A C Arias
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  5. M R Fernandes
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  6. F C Nart
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Hümmelgen, I.A., Yadava, Y.P., Roman, L.S. et al. Tin oxide as a transparent electrode material for light-emitting diodes fabricated with poly (p-phenylene vinylene). Bull. Mater. Sci. 19, 423–427 (1996). https://doi.org/10.1007/BF02744679

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