ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2022
Highly Efficient and Stable Blue Organic Light-Emitting Diodes based on Thermally Activated Delayed Fluorophor with Donor-Void-Acceptor Motif.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2022. 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.
- Dibenzofuran-Modulated Narrowband Red MR-TADF Emitters for BT.2020 OLEDs With Ultralow Roll-Off and Long Lifetime.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Probing Ultrastrong Through-Space Electronic Coupling in Donor-Acceptor Systems at the Single-Molecule Level.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Comprehensive Review on the Structural Diversity and Versatility of Multi-Resonance Fluorescence Emitters: Advance, Challenges, and Prospects toward OLEDs.Chemical reviews · 2025Review
- The Golden Age of Thermally Activated Delayed Fluorescence Materials: Design and Exploitation.Chemical reviews · 2024Review
- Unraveling Degradation Processes and Strategies for Enhancing Reliability in Organic Light-Emitting Diodes.Nanomaterials (Basel, Switzerland) · 2023Review
- Longevity gene responsible for robust blue organic materials employing thermally activated delayed fluorescence.Nature communications · 2023Article
- Effect of void-carbon on blue-shifted luminescence in TADF molecules by theoretical simulations.Frontiers in chemistry · 2023Article
- Highly Efficient and Stable Blue Organic Light-Emitting Diodes based on Thermally Activated Delayed Fluorophor with Donor-Void-Acceptor Motif.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Organic Electroluminescent Materials Possessing Intra- and Intermolecular Hydrogen Bond Interactions: A Mini-Review.Frontiers in chemistry · 2022Review
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Thermally activated delayed fluorophores (TADF) with donor-acceptor (D-A) structures always face strong conjugation between donor and acceptor segments, rendering delocalized new molecular orbitals that go against blue emission. Developing TADF emitters with blue colors, high efficiencies, and long lifetimes simultaneously is therefore challenging. Here, a D-void-A structure with D and A moieties connected at the void-position where the frontier orbital from donor and acceptor cannot be distributed, resulting in nonoverlap of the orbitals is proposed. A proof-of-the-concept TADF emitter with 3,6-diphenyl-9H-carbazole (D) connected at the 3'3-positions of 9H-xanthen-9-one (A), the void carbon-atom with no distribution of the highest occupied molecular orbital (HOMO) of A-segment, realizes more efficient and blue-shifted emission compared with the contrast D-A isomers. The deeper HOMO-2 of A is found to participate into conjugation rather than HOMO, providing a wider-energy-gap. The corresponding blue device exhibits a y color coordinate (CIE
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