Articles with "multiple resonance" as a keyword



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Multiple‐Resonance Extension and Spin‐Vibronic‐Coupling‐Based Narrowband Blue Organic Fluorescence Emitters with Over 30% Quantum Efficiency

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202202464

Abstract: Achieving narrow‐bandwidth emission and high external quantum efficiency (EQE) simultaneously is a challenge for next‐generation blue‐emitting organic light‐emitting diodes (OLEDs). In this study, novel multiple‐resonance thermally activated delayed fluorescence (MR‐TADF) emitters are developed by fusing… read more here.

Keywords: vibronic coupling; quantum efficiency; spin vibronic; multiple resonance ... See more keywords
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Multiple Resonance Dendrimers Containing Boron, Oxygen, Nitrogen-Doped Polycyclic Aromatic Emitters for Narrowband Blue-Emitting Solution-Processed OLEDs.

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Published in 2022 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202200079

Abstract: Different from small-molecule multiple resonance emitters processed via vacuum evaporation technology, we present the design of multiple resonance dendrimers by introducing the first- and second-generation carbazole dendrons in periphery of boron, oxygen, nitrogen-doped polycyclic aromatic… read more here.

Keywords: multiple resonance; solution; resonance; polycyclic aromatic ... See more keywords
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Using magnetic coupling to improve multiple resonance NMR probe circuits.

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Published in 2020 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2020.106741

Abstract: Multiple resonant NMR circuits are an especially important aspect of modern NMR detectors. Today NMR researchers can carry out direct observe, indirect observe and double or triple resonance experiments on many different nuclides without having… read more here.

Keywords: magnetic coupling; nmr probe; resonance; using magnetic ... See more keywords
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Multiple Resonance-Effect-Induced Sky-Blue Thermally Activated Delayed Fluorescence with a Narrow Emission Band.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b03342

Abstract: Efficient thermally activated delayed fluorescence materials based on the multiple resonance effect were synthesized by nucleophilic substitution and electrophilic C-H borylation, featuring a small energy gap between the singlet and triplet state, high photoluminescence quantum… read more here.

Keywords: thermally activated; resonance effect; delayed fluorescence; activated delayed ... See more keywords
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Distinguishing the respective determining factors for spectral broadening and concentration quenching in multiple resonance type TADF emitter systems.

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Published in 2022 at "Materials horizons"

DOI: 10.1039/d2mh00511e

Abstract: Multiple resonance (MR) type thermally activated delayed fluorescence (TADF) emitters have attracted much recent attention due to their narrow emission spectra and high photoluminescence quantum yields (PLQYs). Spectral broadening and concentration quenching at high doping… read more here.

Keywords: concentration quenching; tadf; concentration; multiple resonance ... See more keywords