Peripheral Decoration of Multi‐Resonance Molecules as a Versatile Approach for Simultaneous Long‐Wavelength and Narrowband Emission
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DOI: 10.1002/adfm.202102017
Abstract: High device efficiency and color‐purity are the two essentials for high‐quality organic light‐emitting diodes (OLEDs). Multi‐resonance (MR) molecules show great potentials for high color‐purity OLEDs due to their sharp emission bands. However, most MR molecules… read more here.
Keywords: emission; narrowband emission; resonance molecules; approach ... See more keywords
Multi‐Resonance TADF Conjugated Polymers toward Highly Efficient Solution‐Processible Narrowband Green OLEDs
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DOI: 10.1002/adfm.202408119
Abstract: Due to the extended conjugation along the polymeric backbone and the scarcity of suitable multi‐resonance (MR) emitting units for polymerization, precisely adjusting the colors of MR‐thermally activated delayed fluorescence (MR‐TADF) conjugated polymers to green and… read more here.
Keywords: conjugated polymers; solution; tadf conjugated; multi resonance ... See more keywords
Planar Expansion Enhances Horizontal Orientation of Multi‐Resonance TADF Emitter Toward Highly Efficient Narrowband Blue OLEDs
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DOI: 10.1002/adfm.202409244
Abstract: Multi‐resonance thermally activated delayed fluorescence (MR‐TADF) materials are of vital importance for ultra‐high‐definition displays. However, developing molecular design tactics for blue MR‐TADF emitters that simultaneously achieve good TADF properties, narrowband emission, and ideal molecular orientation… read more here.
Keywords: orientation; tadf emitter; tadf; multi resonance ... See more keywords
Simple‐Structure and Anti‐Quenching Deep‐Blue Multi‐Resonance TADF Emitters Enable High‐Efficiency OLEDs with BT.2020 Blue Gamut
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DOI: 10.1002/adfm.202414635
Abstract: Developing highly efficient pure‐blue organic light‐emitting diodes (OLEDs) that meet the stringent BT.2020 standard by using multi‐resonance thermally activated delayed fluorescence (MR‐TADF) materials has long been a formidable challenge. In this study, a strategy is… read more here.
Keywords: tadf emitters; 2020 blue; deep blue; blue ... 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
Efficient Ultra‐Narrowband OLEDs Based on Carbazole‐Fused Dual‐Boron Embedded Multi‐Resonance Thermally Activated Delayed Fluorescence Materials
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DOI: 10.1002/adom.202302987
Abstract: The development of efficient multi‐resonance thermally activated delayed fluorescence (MR‐TADF) materials with ultra‐narrowband emission presents an ongoing challenge. In this work, a carbazole‐fused dual‐boron embedded MR‐TADF framework is proposed, achieving three emitters, CFDBO, CFDBA, and… read more here.
Keywords: activated delayed; thermally activated; ultra narrowband; multi resonance ... See more keywords
Multi‐Resonance Thermally Activated Delayed Fluorescence Materials Based on Heteroatoms‐Incorporated Phenazine Derivatives and Di[2.2]Paracyclophane
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DOI: 10.1002/adom.202502729
Abstract: Multi‐resonance thermally activated delayed fluorescence (MR‐TADF) materials have emerged as a focal point of research in organic light‐emitting diodes (OLEDs) owing to their exceptional optoelectronic characteristics. Herein, four MR‐TADF molecules based on boron/nitrogen skeletons and… read more here.
Keywords: activated delayed; thermally activated; multi resonance; resonance thermally ... See more keywords
Boron-Based Multi-Resonance TADF Emitter with Suppressed Intermolecular Interaction and Isomer Formation for Efficient Pure Blue OLEDs.
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DOI: 10.1002/smll.202107574
Abstract: Multi-resonance (MR) thermally activated delayed fluorescent (TADF) emitters are highly attractive due to their superior color purity as well as efficient light-harvesting ability from singlets and triplets. However, boron and nitrogen-based MR-TADF emitters suffer from… read more here.
Keywords: tadf emitter; interaction; suppressed intermolecular; multi resonance ... See more keywords
Heavy-atom effect promotes multi-resonance thermally activated delayed fluorescence
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DOI: 10.1016/j.cej.2021.131169
Abstract: Abstract As one type of latest emitters with simultaneous high efficiency and color-purity, the development of multi-resonance thermally activated delayed fluorescence (MR-TADF) materials represents an important advancement for organic light-emitting diodes (OLEDs). We herein present… read more here.
Keywords: thermally activated; heavy atom; resonance thermally; activated delayed ... See more keywords
Highly efficient multi-resonance thermally activated delayed fluorescence material toward a BT.2020 deep-blue emitter
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DOI: 10.1038/s41467-024-46619-8
Abstract: An ultrapure deep-blue multi-resonance-induced thermally activated delayed fluorescence material (DOB2-DABNA-A) is designed and synthesized. Benefiting from a fully resonating extended helical π-conjugated system, this compound has a small ΔEST value of 3.6 meV and sufficient spin–orbit… read more here.
Keywords: activated delayed; thermally activated; emitter; deep blue ... See more keywords
Carbonyl-nitrogen multi-resonance emitters for efficient OLEDs with high color purity
Sign Up to like & getrecommendations! Published in 2025 at "Communications Chemistry"
DOI: 10.1038/s42004-025-01435-z
Abstract: Multi-resonance (MR) materials hold an intriguing feature of narrow emission spectra and have attracted considerable attention in the manufacture of high-definition organic light-emitting diodes (OLEDs). However, the majority of MR materials are composed by a… read more here.
Keywords: resonance; carbonyl nitrogen; skeleton; multi resonance ... See more keywords