ArticleChemical science2019
Blue thermally activated delayed fluorescence emitters incorporating acridan analogues with heavy group 14 elements for high-efficiency doped and non-doped OLEDs.
Article in Chemical science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Selenophene π-Core Fusion for Simultaneous Fast Reverse Intersystem Crossing and Narrowband Long-Wavelength TADF.Angewandte Chemie (International ed. in English) · 2026Article
- Judicious Use of Chalcogens in Multiresonant Thermally Activated Delayed Fluorescent Emitters Leads to OLEDs with Efficiencies Exceeding 36% and Showing Mild Efficiency Roll-Off.Angewandte Chemie (International ed. in English) · 2025Article
- Rethinking boron's role in intramolecular charge transfer: from an acceptor to a donor-acceptor regulator.Chemical science · 2025Review
- The Golden Age of Thermally Activated Delayed Fluorescence Materials: Design and Exploitation.Chemical reviews · 2024Review
- Microwave-Assisted Buchwald-Hartwig Double Amination: A Rapid and Promising Approach for the Synthesis of TADF Compounds.ACS omega · 2024Article
- Article
- Benzoate-based thermally activated delayed fluorescence materials.RSC advances · 2023Article
- Synthesis and Properties of Short-Lifetime Thermally Activated Delayed Fluorescence Materials.ACS omega · 2023Article
- Confining donor conformation distributions for efficient thermally activated delayed fluorescence with fast spin-flipping.Nature communications · 2023Article
- High-efficiency and stable short-delayed fluorescence emitters with hybrid long- and short-range charge-transfer excitations.Nature communications · 2023Article
- Substituent engineering of the diboron molecular architecture for a nondoped and ultrathin emitting layer.Chemical science · 2022Article
- Recent progress in thermally activated delayed fluorescence emitters for nondoped organic light-emitting diodes.Chemical science · 2022Review
- Narrowband blue emission with insensitivity to the doping concentration from an oxygen-bridged triarylboron-based TADF emitter: nondoped OLEDs with a high external quantum efficiency up to 21.4.Chemical science · 2022Article
- Improved stability of blue TADF organic electroluminescent diodes via OXD-7 based mixed host.Frontiers of optoelectronics · 2021Article
- Copper-Loaded Layered Bismuth Subcarbonate-Efficient Multifunctional Heterogeneous Catalyst for Concerted C-S/C-N Heterocyclization.ACS applied materials & interfaces · 2021Article
- Thermal equilibration between singlet and triplet excited states in organic fluorophore for submicrosecond delayed fluorescence.Science advances · 2021Article
- The endeavor of vibration-induced emission (VIE) for dynamic emissions.Chemical science · 2020Review
- Synthesis of six-membered silacycles by borane-catalyzed double sila-Friedel-Crafts reaction.Beilstein journal of organic chemistry · 2020Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Deep-blue thermally activated delayed fluorescence (TADF) emitters are promising alternatives for conventional fluorescence and phosphorescence materials for practical application in organic light-emitting diodes (OLEDs). However, as appropriate bipolar hosts for deep-blue TADF-OLEDs are scarce, the development of efficient deep-blue TADF emitters that are applicable to both doped and non-doped systems is an urgent task. In this study, we developed a new family of blue TADF emitters that demonstrated high photoluminescence (PL) and electroluminescence (EL) quantum efficiencies in both doped and non-doped (neat) systems. Four new donor-acceptor (D-A)-type TADF molecules incorporating phenazasiline, phenazagermine, and tetramethylcarbazole as weak D units and phenothiaborin as a weak A unit were designed and synthesized. By varying the structural rigidity/flexibility as well as the electron-donating ability of the D units, the resulting photophysical and TADF properties of the D-A molecules could be systematically regulated. A comprehensive photophysical investigation revealed that phenazasiline and phenazagermine-based emitters concurrently exhibit blue TADF emissions (464-483 nm), high PL quantum efficiencies (∼100%), extremely fast spin-converting reverse intersystem crossing rates (>10
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Registered trials
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