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Yang, X.; Müller, D. C.; Neher, D.; Meerholz, K.
Advanced materials (Weinheim), 04/2006, Letnik: 18, Številka: 7Journal Article
Polymeric electrophosphorescent LEDs with internal quantum efficiencies approaching unity have been fabricated. Such performance levels are previously unknown for OLEDs. The key to this success is redox chemically doped oxetane‐crosslinkable hole‐transporting layers with multilayer capability (see figure). They improve hole injection and act as electron‐blocking layers, without the need to include exciton‐ or hole‐blocking layers.
