Over 260-folds Enhancement of Reverse Intersystem Crossing by a Host-guest Exciplex for a Multiple Resonance Emitter toward Efficient Narrowband Electroluminescence

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This is a Quantitative Study study.

Zetian Wang; Ting Li; Yongjun Song; D. Zhuang; Sen Yang; Lei He

doi:10.1039/d5sc05928c

January 1, 2025Chemical ScienceOpen Access

Over 260-folds Enhancement of Reverse Intersystem Crossing by a Host-guest Exciplex for a Multiple Resonance Emitter toward Efficient Narrowband Electroluminescence

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Key Points

Enhancements in reverse intersystem crossing lead to over 260-fold improvements, which boosts OLED efficiency significantly.
Utilizing host-guest exciplex structures, thermally-activated delayed fluorescence can be optimized for narrowband electroluminescence.
These advancements in multiple resonance emitters can pave the way for higher-quality display technologies moving forward.
The findings point to the potential for broader adoption of high-efficiency OLEDs in numerous electronic applications.

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Implication

This research demonstrates significant improvement in reverse intersystem crossing in TADF emitters, indicating potential for more efficient OLEDs.

Abstract

Multiple resonance (MR) thermally-activated delayed fluorescence (TADF) emitters hold great potential for fabricating high-efficiency narrowband organic lightemitting diodes (OLEDs) toward high-definition display applications. However, their slow reverse intersystem crossing (RISC)...

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Wang et al. (2025) studied this question.

synapsesocial.com/papers/68e5c1c36950a706b22b5a14 https://doi.org/10.1039/d5sc05928c

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Over 260-folds Enhancement of Reverse Intersystem Crossing by a Host-guest Exciplex for a Multiple Resonance Emitter toward Efficient Narrowband Electroluminescence

Key Points

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Implication

Abstract

Discussion

Cite This Study

Over 260-folds Enhancement of Reverse Intersystem Crossing by a Host-guest Exciplex for a Multiple Resonance Emitter toward Efficient Narrowband Electroluminescence

Key Points

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Implication

Abstract

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Cite This Study

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