Articles with "blue" as a keyword



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A Multifunctional Blue‐Emitting Material Designed via Tuning Distribution of Hybridized Excited‐State for High‐Performance Blue and Host‐Sensitized OLEDs

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202002323

Abstract: Actualizing full singlet exciton yield via a reverse intersystem crossing from the high‐lying triplet state to singlet state, namely, “hot exciton” mechanism, holds great potential for high‐performance fluorescent organic light‐emitting diodes (OLEDs). However, incorporating comprehensive… read more here.

Keywords: high performance; hot exciton; state; excited state ... See more keywords
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Highly Efficient Deep-Blue OLEDs using a TADF Emitter with a Narrow Emission Spectrum and High Horizontal Emitting Dipole Ratio.

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Published in 2020 at "Advanced materials"

DOI: 10.1002/adma.202004083

Abstract: New blue (DBA-SAB) and deep-blue (TDBA-SAF) thermally activated delayed fluorescence (TADF) emitters are synthesized for blue-emitting organic-light emitting diodes (OLEDs) by incorporating spiro-biacridine and spiro-acridine fluorene donor units with an oxygen-bridged boron acceptor unit, respectively.… read more here.

Keywords: blue; deep blue; narrow emission; high horizontal ... See more keywords
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Deep-Blue OLEDs with Rec.2020 Blue Gamut Compliance and EQE over 22% Achieved by Conformation Engineering.

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Published in 2022 at "Advanced materials"

DOI: 10.1002/adma.202200537

Abstract: To achieve high-efficiency deep-blue electroluminescence satisfying Rec.2020 standard blue gamut, we developed two TADF emitters, 5-(2,12-di-tert-butyl-5,9-dioxa-13b-boranaphtho[3,2,1-de]anthracen-7-yl)-10,10-diphenyl-5,10-dihydrodibenzo[b,e][1,4]azasiline (TDBA-PAS) and 10-(2,12-di-tert-butyl-5,9-dioxa-13b-boranaphtho[3,2,1-de]anthracen-7-yl)-9,9-diphenyl-9,10-dihydroacridine (TDBA-DPAC). Inherited from their parented organoboron multi-resonance core, both emitters show very promising deep-blue emissions with… read more here.

Keywords: blue gamut; rec 2020; deep blue; 2020 blue ... See more keywords
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An Effective Strategy to Construct Highly Efficient Deep‐Blue Organic Light‐Emitting Field‐Effect Transistors

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Published in 2017 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201700453

Abstract: The fabrication of highly efficient deep-blue organic light-emitting field-effect transistors (OLEFETs) remains a challenge due to the large energy bandgap of deep-blue emitters. In this work, an effective strategy is developed by combining an ambipolar… read more here.

Keywords: efficient deep; blue; blue organic; deep blue ... See more keywords
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Rational Molecular Design for Efficient Exciton Harvesting, and Deep‐Blue OLED Application

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Published in 2018 at "Advanced Optical Materials"

DOI: 10.1002/adom.201800342

Abstract: The efficient deep-blue luminogens with hybrid local and charge transfer (HLCT) excited state have drawn much attention for their potential in the full utilization of excitons with the corresponding excellent electroluminescent (EL) performance. However, almost… read more here.

Keywords: molecular design; blue; rational molecular; exciton ... See more keywords
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Dipole Moment- and Molecular Orbital-Engineered Phosphine Oxide-Free Host Materials for Efficient and Stable Blue Thermally Activated Delayed Fluorescence.

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Published in 2021 at "Advanced science"

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
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Brilliant blue G protects against brain and liver tissue damage during systemic endotoxemia in rats treated with lipopolysaccharide

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Published in 2019 at "Comparative Clinical Pathology"

DOI: 10.1007/s00580-019-02962-7

Abstract: Brilliant blue G or Coomassie blue is a purinergic P2X7 receptor antagonist. In this study, the effect of brilliant blue G on serum oxidative stress and brain and liver tissue damage was studied in rats… read more here.

Keywords: blue; brain liver; damage; activity ... See more keywords
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RIMFRA: Rotation-invariant multi-spectral facial recognition approach by using orthogonal polynomials

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Published in 2019 at "Multimedia Tools and Applications"

DOI: 10.1007/s11042-019-07816-6

Abstract: This paper proposes a novel rotation-invariant multi-spectral facial recognition approach (RIMFRA) by using orthogonal polynomials. In the first step, a rotation, illumination and noise invariant local descriptor (RinLd) is proposed to represent the texture patterns… read more here.

Keywords: using orthogonal; blue; invariant multi; rotation ... See more keywords
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The effects of physical luminance on colour discrimination in dogs: A cautionary tale

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Published in 2019 at "Applied Animal Behaviour Science"

DOI: 10.1016/j.applanim.2019.01.004

Abstract: Abstract Due to the composition of the cone photoreceptors in the retina of dogs, it has been proposed they might demonstrate human-like red/green colour blindness. However, some assessments have shown that dogs may still be… read more here.

Keywords: blue; physical luminance; luminance; red green ... See more keywords
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Investigations on the parent material of soils of two Nile Valleys with different river dynamics (White Nile and Blue Nile)

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Published in 2019 at "CATENA"

DOI: 10.1016/j.catena.2019.03.022

Abstract: Abstract Soils of two Nile Valleys (White Nile and Blue Nile) and the neighboring Nubian Sandstone plateaus (Qoz) in Central Sudan were investigated. The White and Blue Niles rise from different areas and are different… read more here.

Keywords: blue; nile valleys; nile blue; blue nile ... See more keywords
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Ancillary ligand effect with methyl and t-butyl for deep blue and high EQE blue phosphorescent organic light-emitting diodes

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.128437

Abstract: Abstract Novel phosphorescent emitters, FIr4mpic and FIr4tpic were designed and prepared synthetically to improve the chromaticity and emission efficiency of FIrpic, one of the main blue phosphor. Apparently, methyl and tert-butyl on 4-position of picolinic… read more here.

Keywords: blue; light emitting; fir4mpic fir4tpic; ancillary ligand ... See more keywords