Recent advances in molecular orientation, outcoupling and device optics

Malte C. Gather

doi:10.1117/12.2568058

20 August 2020 Recent advances in molecular orientation, outcoupling and device optics

Malte C. Gather

Proceedings Volume 11473, Organic and Hybrid Light Emitting Materials and Devices XXIV; 1147309 (2020) https://doi.org/10.1117/12.2568058
Event: SPIE Organic Photonics + Electronics, 2020, Online Only

Abstract

I will summarize current work in my team to better understand and harness effects of molecular orientation, light extraction and thin film optics OLEDs. The orientation of emissive molecules strongly influences the efficiency of light extraction in OLEDs. However, finding links between chemical design and orientation remains an open challenge. This is in part because current measurement methods only determine an average orientation value but provide no information about the orientation distribution. We propose to overcome this limitation by a single-molecule imaging approach. This allowed us to obtain statistics of the orientation distribution in TADF host-guest systems.

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Malte C. Gather "Recent advances in molecular orientation, outcoupling and device optics", Proc. SPIE 11473, Organic and Hybrid Light Emitting Materials and Devices XXIV, 1147309 (20 August 2020); https://doi.org/10.1117/12.2568058

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KEYWORDS

Organic light emitting diodes

Molecules

Thin films

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