Hybridized through-bond/through-space charge transfer enables efficient blue emitters with the Rec. 2020 color gamut.

Xihao Yang, Yongxu Hu, Xiaoyu Guo, Jingsheng Miao, He Liu, Chuluo Yang

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Article in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Xihao YangShenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518055 P. R. China liuhe001@szu.edu.cn.

Yongxu HuShenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518055 P. R. China liuhe001@szu.edu.cn.

Xiaoyu GuoShenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518055 P. R. China liuhe001@szu.edu.cn.

Jingsheng MiaoShenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518055 P. R. China liuhe001@szu.edu.cn.

He LiuShenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518055 P. R. China liuhe001@szu.edu.cn.ORCID https://orcid.org/0000-0001-7494-036X

Chuluo YangShenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518055 P. R. China liuhe001@szu.edu.cn.ORCID https://orcid.org/0000-0003-3285-0053

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Achieving efficient deep-blue emission with high color purity remains a critical challenge for BT.2020-compliant OLEDs. Herein, we present a rational molecular design strategy by tuning the hybridization between through-bond charge transfer (TBCT) and through-space charge transfer (TSCT) in a series of A1-D1-D2-A2 structured TADF emitters. Two proof-of-concept emitters, BOtC and BOCC, were synthesized with symmetric and asymmetric 1,1'-bicarbazole donors, respectively. Comprehensive theoretical and photophysical analyses reveal that BOtC exhibits balanced TBCT/TSCT hybridization, leading to a small energy difference (Δ

Identifiers

PMID42205815

DOI10.1039/d6sc01886f

PMCPMC13209149

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