Utilizing a Spiro TADF Moiety as a Functional Electron Donor in TADF Molecular Design toward Efficient “Multichannel” Reverse Intersystem Crossing
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DOI: 10.1002/adfm.201808088
Abstract: Designing thermally activated delayed fluorescence (TADF) materials with an efficient reverse intersystem crossing (RISC) process is regarded as the key to actualize efficient organic light‐emitting diodes (OLEDs) with low efficiency roll‐off. Herein, a novel molecular… read more here.
Keywords: intersystem crossing; reverse intersystem; tadf; efficiency ... See more keywords
Charge‐Transfer Exciton Manipulation Based on Hydrogen Bond for Efficient White Thermally Activated Delayed Fluorescence
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201908568
Abstract: Despite the success of thermally activated delayed fluorescence (TADF) emitters in monochromatic organic light‐emitting diodes (OLED), only few efficient full‐TADF white OLEDs (WOLED) are reported because of the challenge in rational exciton allocation between blue… read more here.
Keywords: hydrogen bond; thermally activated; tadf; delayed fluorescence ... See more keywords
Thermally Activated Delayed Fluorescence Warm White Organic Light Emitting Devices with External Quantum Efficiencies Over 30%
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DOI: 10.1002/adfm.202101647
Abstract: While monochrome organic light‐emitting diodes (OLEDs) based on thermally activated delayed fluorescence (TADF) emitters have achieved over 30% external quantum efficiencies (EQEs), all‐TADF white OLEDs (WOLEDs) are still lagging behind. Herein, a simple system based… read more here.
Keywords: organic light; light emitting; thermally activated; tadf ... See more keywords
Fabrication of Circularly Polarized MR-TADF Emitters with Asymmetrical Peripheral-Lock Enhancing Helical B/N-Doped Nanographenes.
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DOI: 10.1002/adma.202105080
Abstract: Circularly polarized thermally activated delayed fluorescence (CP-TADF) and multiple-resonance thermally activated delayed fluorescence (MR-TADF), which exhibit novel circularly polarized luminescence and excellent color fidelity, respectively, have gained immense popularity. In this study, integrated CP-TADF and… read more here.
Keywords: bn4 bn5; fabrication circularly; circularly polarized; tadf ... See more keywords
Quenching-Resistant Multi-Resonance TADF Emitter Realizes 40% External Quantum Efficiency in Narrowband Electroluminescence at High Doping Level.
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DOI: 10.1002/adma.202106954
Abstract: Multi-resonance thermally activated delayed fluorescence (MR-TADF) emitters manifest great potential for organic light-emitting diodes (OLEDs) due to their high exciton-utilization efficiency and narrowband emission. Nonetheless, their tendency towards self-quenching caused by strong interchromophore interactions would… read more here.
Keywords: efficiency narrowband; external quantum; multi resonance; tadf ... See more keywords
Solution‐Processed Pure Red TADF Organic Light‐Emitting Diodes With High External Quantum Efficiency and Saturated Red Emission Color
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202208602
Abstract: In spite of recent research progress in red thermally activated delayed fluorescence (TADF) emitters, highly efficient solution‐processable pure red TADF emitters are rarely reported. Most of the red TADF emitters reported to date are designed… read more here.
Keywords: red tadf; solution processed; tadf; solution ... See more keywords
Thermally Enhanced and Long Lifetime Red TADF Carbon Dots via Multi‐Confinement and Phosphorescence Assisted Energy Transfer
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DOI: 10.1002/adma.202211858
Abstract: Thermally activated delayed fluorescence (TADF) materials, which can harvest both singlet and triplet excitons for high‐efficiency emission, have attracted widespread concern for their enormous applications. Nevertheless, luminescence thermal quenching severely limits the efficiency and operating… read more here.
Keywords: thermally enhanced; tadf; emission; tadf materials ... See more keywords
Through Space Charge Transfer for Efficient Sky‐Blue Thermally Activated Delayed Fluorescence (TADF) Emitter with Unconjugated Connection
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DOI: 10.1002/adom.201901150
Abstract: Through‐space charge transfer, which exists in nonconjugation linker based thermally activated delayed fluorescence (TADF) materials, excites chemists to explore more possibilities in organic light‐emitting diodes (OLEDs). Herein, an sp3‐hybrid carbon‐centered donor–σ–acceptor type chromophore, QAFCN, is… read more here.
Keywords: thermally activated; charge transfer; tadf; space charge ... See more keywords
Dipole Moment- and Molecular Orbital-Engineered Phosphine Oxide-Free Host Materials for Efficient and Stable Blue Thermally Activated Delayed Fluorescence.
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DOI: 10.1002/advs.202102141
Abstract: To utilize thermally activated delayed fluorescence (TADF) technology for future displays, it is necessary to develop host materials which harness the full potential of blue TADF emitters. However, no publication has reported such hosts yet.… read more here.
Keywords: thermally activated; blue; tadf; delayed fluorescence ... See more keywords
Thermally Activated Delayed Fluorescence Material: An Emerging Class of Metal-Free Luminophores for Biomedical Applications.
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DOI: 10.1002/advs.202102970
Abstract: The development of simple, efficient, and biocompatible organic luminescent molecules is of great significance to the clinical transformation of biomaterials. In recent years, purely organic thermally activated delayed fluorescence (TADF) materials with an extremely small… read more here.
Keywords: fluorescence; thermally activated; tadf; delayed fluorescence ... See more keywords
Improved stability of blue TADF organic electroluminescent diodes via OXD-7 based mixed host
Sign Up to like & getrecommendations! Published in 2020 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-020-1069-0
Abstract: Thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs) have been demonstrated in applications such as displays and solid-state lightings. However, weak stability and inefficient emission of blue TADF OLEDs are two key bottlenecks limiting… read more here.
Keywords: tadf; tadf organic; blue tadf; host ... See more keywords