Articles with "tadf emitters" as a keyword



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Fabrication of Circularly Polarized MR-TADF Emitters with Asymmetrical Peripheral-Lock Enhancing Helical B/N-Doped Nanographenes.

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Published in 2021 at "Advanced materials"

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
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Three‐ and Four‐Coordinate, Boron‐Based, Thermally Activated Delayed Fluorescent Emitters

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202000922

Abstract: Recent developments in purely organic‐material‐based thermally activated delayed fluorescence (TADF) emitters are helping to make them suitable for commercial applications in the near future. In spite of their high external quantum efficiencies, the broad emission… read more here.

Keywords: tadf emitters; thermally activated; boron; based thermally ... See more keywords
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Managing local triplet excited states of boron-based TADF emitters for fast spin-flip process: Toward highly efficient TADF-OLEDs with low efficiency roll-off

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.130224

Abstract: Abstract Improving the rate of a spin-flip process from a triplet to a singlet excited state, which is known as reverse intersystem crossing (RISC), is a challenging issue in realizing efficient and stable organic light-emitting… read more here.

Keywords: flip process; local triplet; triplet; tadf oleds ... See more keywords
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Molecular Design Strategy of Organic Thermally Activated Delayed Fluorescence Emitters

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Published in 2017 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.6b05324

Abstract: Recently, organic thermally activated delayed fluorescence (TADF) emitters have attracted a great deal of attention because they can theoretically realize 100% internal quantum efficiency. Many TADF emitters have been developed since the first demonstration of… read more here.

Keywords: organic thermally; quantum efficiency; efficiency; tadf emitters ... See more keywords
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Asymmetric Blue Multiresonance TADF Emitters with a Narrow Emission Band.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c11399

Abstract: In this study, we synthesized and characterized multiple resonance (MR) type blue thermally activated delayed fluorescence (TADF) emitters. Unlike many boron-based MR-TADF materials, the blue TADF emitters of this work had an asymmetric molecular structure… read more here.

Keywords: blue multiresonance; asymmetric blue; multiresonance tadf; tadf emitters ... See more keywords
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Rational Molecular Design Strategy for High-Efficiency Ultrapure Blue TADF Emitters: Symmetrical and Rigid Sulfur-Bridged Boron-Based Acceptors.

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Published in 2023 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c18851

Abstract: Developing highly efficient blue thermally activated delayed fluorescence (TADF) emitters with a narrowband emission is still a challenge. Here, novel ultrapure blue TADF emitters of TSBA-Cz and TSBA-PhCz were designed and synthesized for organic light-emitting… read more here.

Keywords: symmetrical rigid; blue tadf; tadf; tadf emitters ... See more keywords
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Phenazasiline/Spiroacridine Donor Combined with Methyl-Substituted Linkers for Efficient Deep Blue Thermally Activated Delayed Fluorescence Emitters.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b20009

Abstract: Phenazasiline, a sp3 hybridized silicon-bridged diphenylamine, is a promising donor moiety for deep-blue TADF emitters because of its deep highest occupied molecular orbital, high triplet level of 3.1 eV, and orthogonal connection with acceptor moieties.… read more here.

Keywords: deep blue; efficient deep; tadf emitters; methyl substituted ... See more keywords
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Achieving Efficient Blue Delayed Electrofluorescence by Shielding Acceptor with Carbazole Units.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.9b07820

Abstract: The design and synthesis of blue thermally activated delayed fluorescence (TADF) emitters that have high electroluminescence (EL) efficiency and low efficiency roll-off feature remains a great challenge. Herein, we developed a facile and efficient strategy… read more here.

Keywords: tadf; achieving efficient; blue tadf; tadf emitters ... See more keywords
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Harnessing A New Co-Host System and Low Concentration of New TADF Emitters Equipped with Trifluoromethyl and Cyano Substituted Benzene as Core for High Efficiency Blue OLEDs.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.9b18272

Abstract: A strategic approach of combining a new cohost system and low concentration of new TADF emitters to make efficient blue TADF OLED was developed. The benchmark TADF molecule, 4CzIPN, was adopted as a probe to… read more here.

Keywords: cf3; tadf; system low; tadf emitters ... See more keywords
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Quinoline-based TADF emitters exhibiting aggregation-induced emission for efficient non-doped organic light-emitting diodes

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Published in 2021 at "Materials Chemistry Frontiers"

DOI: 10.1039/d0qm00628a

Abstract: Three quinoline-based TADF emitters with aggregation-induced emission were synthesized and fabricated for efficient non-doped OLEDs with EQEmax up to 17.3%. read more here.

Keywords: efficient non; based tadf; aggregation induced; tadf emitters ... See more keywords
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Effects of the relative position and number of donors and acceptors on the properties of TADF materials

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Published in 2020 at "Journal of Materials Chemistry C"

DOI: 10.1039/d0tc02252g

Abstract: Thermally activated delayed fluorescence (TADF) emitters have attracted great attention for their use in organic light-emitting diodes since they can potentially realize 100% internal quantum efficiency by utilizing both singlet and triplet excitons due to… read more here.

Keywords: tadf materials; tadf; tadf emitters; position number ... See more keywords