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January 1, 2026Organic Chemistry Frontiers

Bifunctional near-ultraviolet emitting materials based on hybridized local and charge-transfer (HLCT) excited states for efficient electro-fluorescence and phosphorescent OLEDs

Kemei Zhu Yannan Zhou Chenglin Ma Yongquan Li Shenghui Zhou Li Zhang Jingru Song Qikun Sun Wenjun Yang Shanfeng Xue

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Key Points

This research aims to design a D–A HLCT molecule that balances transport properties and exhibits efficient near-ultraviolet emission.
Designed a hybridized local and charge-transfer molecule with high T1.
Measured NUV emission properties with external quantum efficiency.
Tested the molecule as a host for various colored phosphorescent OLEDs.
Achieved NUV emission with CIEy = 0.039 and EQE = 4.73%.
The molecule served as a host for green (21.52%), yellow (23.67%), and red (7.38%) PhOLEDs.
Demonstrated dual functionality for both electro-fluorescence and phosphorescence.

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Implication

Demonstrates efficient electro-fluorescence and phosphorescent properties in hybridized OLEDs, indicating advanced material design.

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Cite This Study

Zhu et al. (2026) studied this question.

synapsesocial.com/papers/6a17dc233fad632b0f9d8c98 https://doi.org/10.1039/d6qo00546b

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