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Solid-state lighting: The future looks bright
LEDs are gaining traction in lighting, but several research advances are needed before they find widespread use in homes and offices. With increasing...
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Measurements, standards, and data in support of the sustainable use of materials
Industry is increasingly aware that sustainability combines environmental, societal, and economic considerations in product development and that this...
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Luminescent properties of Li2CaSiO4:Eu2+ phosphor
Li 2 CaSiO 4 :Eu 2+ phosphors with single phase were successfully synthesized by the solid state reaction method and their photoluminescence properties...
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Current Progress in Solid-State Lighting
A new era is dawning, the era of solid-state lighting in which the technical community has reason to believe that solid-state lighting will develop...
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Introduction
The history of the light bulb can certainly be traced back to Messrs Swan and Edison, but it is equally certain that they would not have made their...
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Some Halophosphates Phosphors
The Halophosphate phosphor is defined as a phosphor with the apatite mineral structure. Almost all commonly found tubes on the global lighting market...
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Synthesis and characterization of Eu3+/Dy3+ codoped composite phosphors SrAl2Si2O8/SrAlSi1/2O7/2 via a one-pot nitrate-gel process
Composite phosphors SrAl 2 Si 2 O 8 /SrAlSi 1/2 O 7/2 codoped with Eu 3+ and Dy 3+ were synthesized via a simple one-pot nitrate-gel process. The thermal...
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Some Orthophosphate Phosphors
The orthophosphate group, is the most common phosphorus oxoanion also known as phosphoric acid. All four oxygen atoms, are usually coordinated to...
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Energy production and conversion applications of one-dimensional semiconductor nanostructures
One-dimensional semiconductor nanomaterials form the basis for new technologies as well as driving the evolution of existing ones. Although these...
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Tunable visible emission and warm white photoluminescence of lithium-doped zinc oxide thin films
Visible emission of Li-doped ZnO (LZO) thin films prepared by a sol–gel method has been tuned in a wide range from blue-green to yellow. Blue-green,...
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Ce and Eu activated Na2Zn5(PO4)4, a new promising novel phosphor
A new efficient phosphor, Eu 2+ /Eu 3+ and Ce 3+ activated Na 2 Zn 5 (PO 4 ) 4 has been synthesized by solid-state reaction technique at high temperature. X-ray...
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Effects of RE3+ (RE = La, Ce, Pr, Sm, Dy, Ho, Er, and Tm) on the luminescence of Sr2MgSiO5:Eu2+ phosphors
Sr 2 MgSiO 5 :Eu 2+ phosphors were synthesized through a high temperature solid state reaction method. The phase and luminescence properties of the samples...
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Applications
The measurement of the optical properties of solids is simple in principle, but can be involved in practice. This is so because many bulk solids...
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Dependence of luminescence properties on composition of rare-earth activated (oxy)nitrides phosphors for white-LEDs applications
Rare-earth-activated nitride and oxynitride phosphors are attractive converter materials for white-LEDs applications due to their efficient...
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Phosphor-Concentration-Dependent Characteristics of White LEDs in Different Current Regulation Modes
Phosphor-concentration-dependent characteristics of white light-emitting diodes (LEDs) under different current regulation conditions were...
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Photoluminescence and thermal stability of yellow-emitting Sr-α-SiAlON:Eu2+ phosphor
Novel α-SiAlON:Eu 2+ -based yellow oxynitride phosphors with the formula Sr 0.375− x Eu
x 2+ Si 12− m − n Al m + n O n N 16− n ( m = 0.75, n = x = 0.004–0.04) have...
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Synthesis of Ca3Al6Si2O16: Ce3+, Tb3+ phosphors by sol–gel method and optical properties
Ca 3 Al 6 Si 2 O 16 : Ce 3+ , Tb 3+ phosphors have been prepared by sol–gel method. The structure and photoluminescence properties were studied with careful....
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Photoluminescent Nanofibers for Solid-State Lighting Applications
Photoluminescent nanofibers (PLN) can be formed by combining electrospun polymeric nanofibers and luminescent particles such as quantum dots (QD)....
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The temperature-dependent luminescence properties of BaAl2−xSixO4−xNx:Eu2+ and its application in yellowish-green light emitting diode
The influences of (SiN) + and Eu 2+ concentration on the optical properties of BaAl 2− x Si x O 4− x N x :Eu 2+ were investigated. The lifetime results show that...
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Role of flux in the production process of red phosphors for white LEDs
Eu 3+ -doped potassium tungstate phosphor was synthesized by solid-state reactions. The as-produced phosphor was re-fired with a small amount of...
