ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2024
Stepwise Toward Pure Blue Organic Light-Emitting Diodes by Synergetically Locking and Shielding Carbonyl/Nitrogen-Based MR-TADF Emitters.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Aromaticity-Localized Square Tetraboron-Extended Multiple-Resonance Emitters With B‒N Covalent Bonds for Highly Efficient Narrowband Electroluminescence.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Computational Insights into the Effect of Noncovalent S···S Interaction on the Excited-State Characteristics of Multiresonant Fluorophore.Molecules (Basel, Switzerland) · 2026Article
- Hydrogen Atom Transfer Induces Photodegradation in Carbonyl-Based Multi-Resonance TADF Emitters.Angewandte Chemie (International ed. in English) · 2026Article
- Chiral Selenium-Integrated Multi-Resonant Thermally Activated Delayed Fluorescent Emitters Showing Improved Reverse Intersystem Crossing Rate.Angewandte Chemie (International ed. in English) · 2025Article
- Diindolocarbazole as a Core Structure for Narrow-Emitting and Highly Efficient Blue Organic Light-Emitting Diodes.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Comprehensive Review on the Structural Diversity and Versatility of Multi-Resonance Fluorescence Emitters: Advance, Challenges, and Prospects toward OLEDs.Chemical reviews · 2025Review
- Excited-State Engineering toward Accelerated Reverse Intersystem Crossing in Diindolocarbazole-Embedded Multiple-Resonance Emitters for High-Performance Blue OLEDs.ACS applied materials & interfaces · 2025Article
- Carbonyl-nitrogen multi-resonance emitters for efficient OLEDs with high color purity.Communications chemistry · 2025Article
- Stepwise Toward Pure Blue Organic Light-Emitting Diodes by Synergetically Locking and Shielding Carbonyl/Nitrogen-Based MR-TADF Emitters.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Deep-blue multi-resonance (MR) emitters with stable and narrow full-width-at-half-maximum (FWHM) are of great importance for widening the color gamut of organic light-emitting diodes (OLEDs). However, most planar MR emitters are vulnerable to intermolecular interactions from both the host and guest, causing spectral broadening and exciton quenching in thin films. Their emission in the solid state is environmentally sensitive, and the color purity is often inferior to that in solutions. Herein, a molecular design strategy is presented that simultaneously narrows the FWHM and suppresses intermolecular interactions by combining intramolecular locking and peripheral shielding within a carbonyl/nitrogen-based MR core. Intramolecularly locking carbonyl/nitrogen-based bears narrower emission of 2,10-dimethyl-12,12-diphenyl-4H-benzo[9,1]quinolizino[3,4,5,6,7-defg]acridine-4,8(12H)-dione in solution and further with peripheral-shielding groups, deep-blue emitter (12,12-diphenyl-2,10-bis(9-phenyl-9H-fluoren-9-yl)-4H-benzo[9,1]quinolizino[3,4,5,6,7-defg]acridine-4,8(12H)-dione, DPQAO-F) exhibits ultra-pure emission with narrow FWHM (c.a., 24 nm) with minimal variations (∆FWHM ≤ 3 nm) from solution to thin films over a wide doping range. An OLED based on DPQAO-F presents a maximum external quantum efficiency (EQE
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