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A chemical model capable of predicting the operational stability for organic light‐emitting devices is established, as reported by Dongho Kim, Jun Yeob Lee, Youngmin You, and co‐workers in article number 2003832. This model involves Langevin recombination, followed by electron transfer from a dopant to a host exciton, as the key degradation step. The research disentangles the chemical processes in...
The operational lifetime of organic light‐emitting devices (OLEDs) is governed primarily by the intrinsic degradation of the materials. Therefore, a chemical model capable of predicting the operational stability is highly important. Here, a degradation model for OLEDs that exhibit thermally activated delayed fluorescence (TADF) is constructed and validated. The degradation model involves Langevin...
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