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Understanding Improved Lifetime in Mixed Emissive Layer Organic Light-Emitting Devices (OLEDs)

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Abstract

The role of excitons and polarons in OLED degradation is studied by quantifying emitter photoluminescence (PL) efficiency loss. Excitons are found to dictate PL loss, while polarons have a stronger impact on the efficiency of exciton formation.

© 2017 Optical Society of America

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