Articles with "efficient blue" as a keyword



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Cr3+ Activated Garnet Phosphor with Efficient Blue to Far‐Red Conversion for pc‐LED

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202101134

Abstract: Far‐red (FR) phosphor‐converted light‐emitting diodes (pc‐LEDs) driven by blue LED chips are novel light sources for applications in phototherapy, photosynthesis, natural light simulation, and so on but still bear low electricity‐to‐FR light conversion efficiency (≤… read more here.

Keywords: phosphor; conversion; far red; garnet ... See more keywords
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Host engineering based on multiple phosphorylation for efficient blue and white TADF organic light-emitting diodes

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.126986

Abstract: Abstract It is challenging to develop host materials for efficient blue and white thermally activated delayed fluorescence (TADF) organic light emitting diodes (OLED), since optoelectronic properties of host molecules should be accurately optimized to suppress… read more here.

Keywords: light emitting; blue white; tadf; tadf organic ... See more keywords
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An efficient blue emitter based on a naphthalene indenofluorene core

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Published in 2018 at "Organic Electronics"

DOI: 10.1016/j.orgel.2018.01.024

Abstract: Abstract We designed and synthesized a novel sky-blue fluorescent dye, 7,7,13,13-tetramethyl- N 5 ,N 5 ,N 11 ,N 11 -tetra- p -tolyl-7,13-dihydrobenzo[ g ]indeno[1,2- b ]fluorene-5,11-diamine (DANIF), which contains a naphthalene indenofluorene (NIF) core and… read more here.

Keywords: emitter based; based naphthalene; blue emitter; naphthalene indenofluorene ... See more keywords
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Efficient blue light-emitting polydibenzofluorenes through the integration of an anthracene unit

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Published in 2020 at "Polymer"

DOI: 10.1016/j.polymer.2020.122947

Abstract: Abstract Series of light emitting polymers based on dibenzofluorene-acene have been synthesized through aromatic nucleophilic substitution reaction. The polymer displayed strong solubility in specific organic solvents with a polydispersity index of 1.5–2.0 and weight average… read more here.

Keywords: blue light; emitting polydibenzofluorenes; efficient blue; light emitting ... See more keywords
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The “Enders Triazole” Revisited: Highly Efficient, Blue Platinum(II) Emitters

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Published in 2018 at "Organometallics"

DOI: 10.1021/acs.organomet.8b00191

Abstract: Complexes combining the “Enders triazole” as a bidentate C^C* NHC ligand and arylated β-diketonates around a platinum(II) center afford emitters with quantum yields of more than 80%. The phosphorescent emission is centered in the sky… read more here.

Keywords: platinum; enders triazole; efficient blue; triazole revisited ... See more keywords
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Neodymium Chloride-Doped Perovskite Nanocrystals for Efficient Blue Light-Emitting Devices.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c11736

Abstract: Metal halides doping of perovskite nanocrystals (NCs) has been shown to precisely control nonradiative pathways and to improve photoluminescence quantum yield (PLQY). Here, we report a trivalent lanthanide halide neodymium (III) chloride (NdCl3)-doped perovskite NCs… read more here.

Keywords: blue light; doped perovskite; ndcl3 doped; perovskite nanocrystals ... See more keywords
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Dimension control of in situ fabricated CsPbClBr2 nanocrystal films toward efficient blue light-emitting diodes

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Published in 2020 at "Nature Communications"

DOI: 10.1038/s41467-020-20163-7

Abstract: In the field of perovskite light-emitting diodes (PeLEDs), the performance of blue emissive electroluminescence devices lags behind the other counterparts due to the lack of fabrication methodology. Herein, we demonstrate the in situ fabrication of… read more here.

Keywords: cspbclbr2 nanocrystal; emitting diodes; efficient blue; light emitting ... See more keywords
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Confining isolated chromophores for highly efficient blue phosphorescence

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Published in 2021 at "Nature Materials"

DOI: 10.1038/s41563-021-01073-5

Abstract: High-efficiency blue phosphorescence emission is essential for organic optoelectronic applications. However, synthesizing heavy-atom-free organic systems having high triplet energy levels and suppressed non-radiative transitions—key requirements for efficient blue phosphorescence—has proved difficult. Here we demonstrate a… read more here.

Keywords: blue phosphorescence; efficient blue; phosphorescence; isolated chromophores ... See more keywords
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A solution-processable wholly-aromatic bipolar host material for highly efficient blue electroluminescent devices

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Published in 2021 at "Journal of Materials Chemistry C"

DOI: 10.1039/d0tc05150k

Abstract: Highly efficient blue electroluminescent devices were realized by using a solution-processable wholly-aromatic bipolar host material prepared through an insulating C(sp3) bridge linking strategy. read more here.

Keywords: solution processable; processable wholly; electroluminescent devices; blue electroluminescent ... See more keywords
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Efficient blue fluorescent OLEDs based on a D-π-A emitter with the hybridized localized and charge-transfer state

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Published in 2023 at "Journal of Materials Chemistry C"

DOI: 10.1039/d3tc00175j

Abstract: An anthracene-bridged D-π-A emitter, 4-(10-(4-(4,5-diphenyl-4H-1,2,4-triazol-3-yl)phenyl)anthracen-9-yl)-N,N-diphenylaniline (TAZ-An-TPA) was designed and synthesized, in which 3,4,5-triphenyl-4H-triazole (TAZ), anthracene and triphenylamine (TPA) act as the acceptor, π-bridge and donor, respectively. The additional TAZ moiety... read more here.

Keywords: based emitter; oleds based; efficient blue; emitter hybridized ... See more keywords
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Efficient blue and white phosphorescent organic light-emitting diodes with a mixed host in emission layer

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Published in 2017 at "Molecular Crystals and Liquid Crystals"

DOI: 10.1080/09273948.2017.1338908

Abstract: ABSTRACT Efficient blue and white phosphorescent organic light-emitting diodes (PhOLEDs) with low turn-on voltage were fabricated by using mixed hole and electron transporting layer materials as the co-host in the emissive layer. The optimized performance… read more here.

Keywords: phosphorescent organic; layer; blue white; efficient blue ... See more keywords