학술저널
Effects of Buffer Layer in Organic Light-Emitting Diodes Using Poly(N-vinylcarbazole)
Effects of Buffer Layer in Organic Light-Emitting Diodes Using Poly(N-vinylcarbazole)
- 한국응용과학기술학회 (구.한국유화학회)
- 한국응용과학기술학회지
- 한국유화학회지 제20권 제2호
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2003.06173 - 176 (4 pages)
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We have seen the effects of buffer layer in organic light-emitting diodes using poly(N-vinylcarbazole)(PVK). Polymer PVK buffer layer was made using static spin-casting method. Two device structures were made; one is ITO/TPD/Alq3/Al as a reference and the other is ITO/PVK/TPD/Alq3/Al to see the effects of buffer layer in organic light-emitting diodes. Current-voltage characteristics, luminance-voltage characteristics and luminous efficiency were measured with a variation of spin-casting speeds. We have obtained an improvement of luminous efficiency by a factor of two and half when the PVK buffer layer is used.
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