ArticleNature communications2025
Stable narrowband blue OLEDs by modulating frontier molecular orbital levels.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Minimal Input, Maximum Insight: Inferring Material Parameters From Solar Cell JV Curves Alone.Small methods · 2026Article
- Non-Benzenoid π-Electronic Perturbation Enables Frontier-Orbital Symmetry Reconstruction in Ultra-Narrowband Organic Luminophores.Angewandte Chemie (International ed. in English) · 2026Article
- Record-High Performance Hyperfluorescent OLEDs Achieved via Electronic Structure Control of Chlorine-Diversified MR-TADF Emitters.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- B-N-B Embedded multiple-resonance polyaromatic enabling efficient narrowband electroluminescence.Nature communications · 2026Article
- Chemical Bonding from the Perspective ofThe journal of physical chemistry letters · 2025Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Energy level alignment of frontier molecular orbital (FMO) is essential for controlling charge carrier and exciton dynamics in organic light-emitting diodes (OLEDs). However, multiple resonance (MR) emitters with exceptional narrowband luminescence typically suffer from inadequate FMO levels. Herein, a conventional blue MR prototype with a shallow highest occupied molecular orbital (HOMO) level of -5.32 eV is initially employed to reveal the charge carrier and exciton dynamics. Severe hole trapping by its shallow HOMO significantly hinders its transport. More importantly, trapped carriers induce direct exciton formation and recombination at MR emitters in a hyperfluorescent system, leading to triplet accumulation in MR emitters. To resolve these issues, a proof-of-concept wavefunction perturbation strategy is proposed by incorporating cyano motifs at peripheral sites of MR backbone to adjust the energy levels. This approach significantly shifts HOMOs of 0.36 and 0.51 eV without compromising colour purity. The derivative substituting meta-boron position (mCNDB) exhibits a pure-blue emission peaking at 459 nm with a narrow bandwidth of 13 nm. The detrimental carrier trapping effect is eliminated, enhancing external quantum efficiency to exceeding 23%, maintaining around 20% at 1000 cd m
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Registered trials
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