Strategic-tuning of radiative excitons for efficient and stable fluorescent white organic light-emitting diodes.

ABSTRACT: The emerging thermally activated delayed fluorescence materials have great potential for efficiencies in organic light-emitting diodes by optimizing molecular structures of the emitter system. However, it is still challenging in the device structural design to achieve high efficiency and stable device operation in white organic light-emitting diodes. Here we propose a universal design strategy for thermally activated delayed fluorescence emitter-based fluorescent white organic light-emitting diodes, establishing an advanced system of "orange thermally activated delayed fluorescence emitter sensitized by blue thermally activated delayed fluorescence host" combined with an effective exciton-confined emissive layer. Compared to reference single-layer and double-layer emissive devices, the ext

SUBMITTER: Wu Z 

PROVIDER: S-EPMC6542840 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature