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Updated: May 1, 2026
Development of Efficient OLEDs from Solution Deposition
Published on: November 4, 2022
Enhanced electron injection into inverted polymer light-emitting diodes by combined solution-processed zinc
Stefan Höfle1, Alexander Schienle, Michael Bruns
1Light Technology Institute, Karlsruhe Institute of Technology (KIT), Engesserstrasse 13, 76131, Karlsruhe, Germany.
Abstract:
Inverted device architectures for organic light-emitting diodes (OLEDs) require suitable interfaces or buffer layers to enhance electron injection from highwork-function transparent electrodes. A solution-processable combination of ZnO and PEI is reported, that facilitates electron injection and enables efficient and air-stable inverted devices. Replacing the metal anode by highly conductive polymers enables transparent OLEDs.
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