Demonstrates improved operational stability in narrowband OLEDs, suggesting better device longevity.
being the highest and the efficiency roll-off being the lowest among narrowband OLEDs (including hyperfluorescence ones) based on DtBuCzB reported so far. The device also shows markedly improved operational stability compared to counterpart devices using the other two hosts or counterpart hyperfluorescence devices.
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Li et al. (2026) studied this question.
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