Phosphors for solid-state white lighting
WebJan 10, 2024 · The extensive use of solid-state luminescent materials has been made possible because the current generation of inorganic phosphors fulfills most of the application requirements: they have a range of excitation and emission wavelengths and bandwidths, high quantum efficiencies, outstanding chemical and thermal stabilities, and … WebSep 15, 2024 · A series of novel white light-emitting LaAl 2.03 B 4 O 10.54: Dy 3+ phosphors for light-emitting diode applications were synthesized by high-temperature solid-state reactions. The results of X-ray diffraction measurement indicate that the crystal structure of the phosphors is LaAl 2.03 B 4 O 10.54.
Phosphors for solid-state white lighting
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WebNoteworthy is that, intrinsic emission of Tb3+ ions is attributed to the effective energy transfer from the trapped exciton state of the double perovskite host to Tb3+ ions. Finally, mixing 30% Tb3+ alloyed Cs2Ag0.6Na0.4InCl6:Bi and Cs2NaInCl6:10%Sb phosphors, a series of double-perovskite-based white light-emitting diodes (WLEDs) are prepared.
WebImportantly, the cyan-emitting CLZA:1% Ce 3+ phosphors possessed a luminescence efficiency of 58%. Notably, the CLZA:1% Ce 3+ cyan phosphors allowed to fill the cyan gap between the blue and green emission bands in white LEDs, and the value of color rendering index could be enhanced from 82.3 to 89.2. WebPhosphor-converted white light sources and characteristics of ideal sources such as luminous efficacy, colour rendering, chromaticity coordinates and colour temperature are discussed. Various applications of the SSL are described to spur the interest of the readers.
WebSince the mid-1990s, phosphors have played a key role in emerging solid-state white-lighting technologies that are based on combining a III-nitride-based near-UV or blue solid-state light source with downconversion to longer wavelengths. Almost all widely used … WebHigh efficient single−component full−color emitting Ca6Y2Na2(PO4)6F2 (CYNPF): Eu2+, Tb3+, Mn2+ phosphors have been synthesized by high−temperature solid−state reaction. Coupled with the Eu2+, Tb3+, and Mn2+ emission bands centered at 455 nm, 547 nm, and 580 nm, color-tunable white light can be generated. The
WebOct 1, 2014 · At present, nearly all commercial phosphor-converted white LEDs consist of a blue LED chip and a YAG:Ce 3+ yellow phosphor. Although such an LED is efficient, its cold-white light has a poor...
WebApr 14, 2024 · The CIE chromaticity coordinates for the BaBi2B4O10:Eu3+ (x = 0.4) phosphor (0.65, 0.35) are close to the NTSC standard values (0.67, 0.33) for commercial red phosphor. The obtained results show that the BaBi2B4O10:Eu3+ phosphors are promising candidates for solid state lighting application. signal readingWebLanthanide-doped luminescent glasses have attracted tremendous attention in modern optoelectronic applications, especially for solid-state white light-emitting diodes (WLEDs). Eu 3+ /Tb 3+ co-doped luminescent glasses are well-known to emit intense yellowish-orange light resulting from the energy transfer from green-emitting sensitizer Tb 3 ... signal receiver boosterWebProvided herein are phosphors of the general molecular formula: A3-2xEUxMP3O9N, wherein the variables are as defined herein. Methods of producing the phosphors are also provided. ... the present disclosure provides light-emitting devices comprising these phosphors. WO2024028516A1 - Violet light exciteable blue-emitting oxynitride phosphors and ... the prodigal farms noidaWebSep 6, 2012 · @article{osti_1050747, title = {Efficient and Color-Tunable Oxyfluoride Solid Solution Phosphors for Solid-State White Lighting}, author = {Im, Won Bin and George, Nathan and Kurzman, Joshua and Brinkley, Stuart and Mikhailovsky, Alexander and Hu, Jerry and Chmelka, Bradley F and DenBaars, Steven P and Seshadri, Ram}, abstractNote = {A … the prodigal father murder she wrote castWebFeb 9, 2015 · Highly efficient cyan-emitting garnet Ca 3 Hf 2 SiAl 2 O 12: xCe 3+ phosphor for solid state white lighting . Xin Ding, ab Ge Zhu, ab ... xCe3+ phosphors. The crystal structure and luminescence properties of the Ca3Hf2SiAl2O12: xCe3+ are investigated in detail. Transmission electron microscopy analysis and XRD Rietveld r theprodigalfather.orgWebFeb 1, 2024 · High-power white LED/LD for solid-state lighting puts forward higher requirements for glass ceramic phosphor, for example, large absorption, high luminous efficacy (LE), high quantum yield (QY), and excellent color quality (e.g., high color index (CRI) and low correlated color temperature (CCT)). signal receiver crosswordWebSelect search scope, currently: catalog all catalog, articles, website, & more in one search; catalog books, media & more in the Stanford Libraries' collections; articles+ journal articles & other e-resources signal realty minot n.d