Articles with "phosphor" as a keyword



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Shining Transparent Displays with Stable Narrow‐Band Blue‐Emitting Phosphor in Layered Film

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202206278

Abstract: Transparent displays (TDs) rendering “levitating” images on screen have appeared as an emerging technology toward augmented/mixed reality applications. However, the traditional phosphor design and screen construction have severely limited the TD performance owing to the… read more here.

Keywords: phosphor; narrow band; film; transparent displays ... See more keywords
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Achieving High Quantum Efficiency Broadband NIR Mg4Ta2O9:Cr3+ Phosphor Through Lithium‐Ion Compensation

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202300124

Abstract: Ultra‐efficient broadband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) are urgently needed to improve the detection sensitivity and spatial resolution of current smart NIR spectroscopy‐based techniques. Nonetheless, the performance of NIR pc‐LED has severely limited owing… read more here.

Keywords: phosphor; cr3; broadband; nir ... See more keywords
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Phosphor–Aluminum Composite for Energy Recycling with High‐Power White Lighting

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Published in 2017 at "Advanced Optical Materials"

DOI: 10.1002/adom.201700347

Abstract: A state-of-the-art solid-state lighting (SSL) device comprises a blue light-emitting device covered with a yellow-emitting phosphor. In a high-power SSL device, thermal stability is an essential requirement for the phosphor because the phosphor is constantly… read more here.

Keywords: high power; energy; phosphor aluminum; phosphor ... See more keywords
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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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Altlasten des Krieges – Verbrennungen durch weißen Phosphor

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Published in 2019 at "Rechtsmedizin"

DOI: 10.1007/s00194-019-00361-4

Abstract: Weißer Phosphor ist eine hochreaktive Substanz, die sich bei Zimmertemperatur selbst entzünden kann. Historisch fand er Verwendung in Streichhölzern und aufgrund seiner hochtoxischen Wirkung bei geringen Dosen auch als Rattengift. Während orale Vergiftungen durch Phosphor… read more here.

Keywords: verbrennungen durch; die; phosphor; wei phosphor ... See more keywords
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Preparation and characterization of a new long afterglow phosphor CaSnO3: Yb3+

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-6767-z

Abstract: A new phosphor CaSnO3: Yb3+ was synthesized by a traditional solid-state reaction and the luminescent properties were investigated. The phosphors are well crystallized at 1200 °C. The excitation and the emission spectra show the characteristic broad… read more here.

Keywords: casno3 yb3; preparation characterization; phosphor; phosphor casno3 ... See more keywords
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Performance optimization of Er3+ doped barium–natrium–yttrium–fluoride phosphor synthesized by the low-temperature combustion synthesis method

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-6776-y

Abstract: Er3+ doped barium–natrium–yttrium–fluoride phosphor sensitive to 1550 nm was synthesized and optimized by the low-temperature combustion synthesis (LCS) method, which is the most popular method for the synthesis of oxides and compound oxides, using citric acid… read more here.

Keywords: method; barium natrium; doped barium; phosphor ... See more keywords
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Optical characterization of Eu3+ doped MLSiO4 (M = Ca, Sr, Ba and L = Mg) phosphor materials for display devices

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-7916-0

Abstract: Mixed metal oxide based phosphors of Eu3+ doped MLSiO4 (M = Ca, Sr, Ba and L = Mg) type were explored using sol–gel process. Optical characteristics of different compositions of calcium magnesium silicate including CaMg(0.97)SiO4, Ca(0.97)MgSiO4 and Ca(0.985)Mg(0.985)SiO4 phosphor… read more here.

Keywords: eu3 doped; ion; phosphor; doped mlsio4 ... See more keywords
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Luminescence and energy transfer in warm white-light-emitting K3Y(PO4)2:Tb,Eu phosphor for LEDs applications

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-8244-0

Abstract: To obtain warm white-emission in a new single-phase phosphor, a series of Tb–Eu doped K3Y(PO4)2 (KYP) samples were prepared by solid-state reaction method, and their photoluminescence properties were investigated. For Tb-single-doped KYP, the green emission… read more here.

Keywords: energy transfer; doped kyp; warm white; luminescence energy ... See more keywords
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Chromaticity-tunable color converter of CaAlSiN3:Eu2+ red phosphor film layer stacked YAG PiG for warm-WLED

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-8343-y

Abstract: We realized a facile chromaticity tuning for the YAG:Ce3+ phosphor-in-glass (PiG) based WLEDs (white light-emitting diodes) by tape casting CaAlSiN3:Eu2+ red film layer on PiG plate and then encapsulated to a remote-type stacking configuration. Experimental… read more here.

Keywords: color; pig; chromaticity; film layer ... See more keywords
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Effect of doping Sr2+ on luminescence and abnormal thermal quenching behavior of silicate solid-solution green phosphor Ba9Lu2Si6O24:Eu2+

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-0122-x

Abstract: A novel Eu2+ ions doped silicate solid-solution green phosphors, (Ba1−ySry)9Lu2Si6O24:0.14Eu2+ (0 ≤ y ≤ 0.25), have been successfully prepared by conventional sintering method. The Rietveld refinement result was taken to determine the pure phase of (Ba1−ySry)9Lu2Si6O24:0.14Eu2+ (0 ≤ y ≤ 0.25). The characteristic… read more here.

Keywords: thermal quenching; solution green; silicate solid; 9lu2si6o24 14eu2 ... See more keywords