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Embedding Organic Light-Emitting Diodes into Channel Waveguide Structures

Authors


  • The authors are grateful for continuous technical support from H. Metzner (Universität zu Köln) and thank Merck KGaA (Frankfurt) for providing the RX and PSF polymers. The authors thank B. Wallikewitz for fruitful discussions, R. Bruker for recording cyclic voltammograms, M. Kaiser for support with scanning electron microscopy, and A. Reckmann for close-up pictures (all Universität zu Köln). Financial support from the Bundesministerium für Bildung und Forschung (BMBF) through the OLAS project is gratefully acknowledged.

Abstract

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Combining optical waveguides and organic light-emitting diodes (OLEDs) is a key requirement for optical sensors based on organic materials. A device architecture in which the active layers of the OLED also form the waveguide structure is demonstrated (see figure), and it is shown that the choice of materials with adequate optical an electrical properties is crucial to obtain low-loss waveguides.

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