摘要:
A luminescent material is disclosed. The luminescent material may include a first compound having a host lattice comprising first ions and oxygen. A first portion of the first ions may be substituted by copper ions. In one embodiment, the host lattice may include silicon, the copper ions may be divalent copper ions and the first compound may have an Olivine crystal structure, β-K.2SO4 crystal structure, a trigonal Glaserite (K3Na(SO4)2) or monoclinic Merwinite crystal structure, a tetragonal Ackermanite crystal structure, a tetragonal crystal structure or an orthorhombic crystal structure. In another embodiment, the copper ions do not act as luminescent ions upon excitation with the ultraviolet or visible light.
摘要翻译:公开了一种发光材料。 发光材料可以包括具有包含第一离子和氧的主晶格的第一化合物。 第一离子的第一部分可以被铜离子取代。 在一个实施例中,主晶格可以包括硅,铜离子可以是二价铜离子,并且第一化合物可以具有橄榄石晶体结构,K 2 SO 4晶体结构,三角形镓石(K3Na(SO4)2)或 单斜晶系的Merwinite晶体结构,四方晶系晶体结构,四方晶体结构或正交晶体结构。 在另一个实施方案中,当用紫外线或可见光激发时,铜离子不作为发光离子。
摘要:
Luminescent materials and methods of forming such materials arc described herein. In one embodiment, a luminescent material has the formula: [AaSnbXxX′x′X″x″][dopant], wherein A is included in the luminescent material as a monovalent cation; X, X′, and X″ are selected from fluorine, chlorine, bromine, and iodine; a is in the range of 1 to 5; b is in the range of 1 to 3; a sum of x, x′, and x″ is a +2b; and at least X′ is iodine, such that x′(a+2b)≧1/5.
摘要:
To provide a green phosphor with high conversion efficiency of blue of near-ultraviolet light and excellent color purity, a multinary oxynitride phosphor represented by the general formula [I] is proposed. M1xBayM2zLuOvNw [I] In the formula [I], M1 represents Cr, Mn, Fe, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb, M2 represents Sr, Ca, Mg and Zn, L represents metal elements belonging to the fourth group or the fourteenth group of the periodic table, and x, y, z, u, v and w are the numeric values in the following ranges: 0.00001≦x≦3 0≦y≦2.99999 2.6≦x+y+z≦3 0
摘要翻译:为了提供具有高的近紫外光蓝的转换效率和优异的色纯度的绿色荧光体,提出了由通式[I]表示的多氮氧化物荧光体。 M1xBayM2zLuOvNw [I]在式[I]中,M1表示Cr,Mn,Fe,Ce,Pr,Nd,Sm,Eu,Tb,Dy,Ho,Er,Tm和Yb,M2表示Sr,Ca,Mg和Zn ,L表示属于周期表第四组或第十四组的金属元素,x,y,z,u,v和w是以下范围内的数值:0.00001≦̸ x≦̸ 3 0≦̸ y≦̸ 2.99999 2.6≦̸ x + y + z≦̸ 3 0
摘要:
Disclosed are a phosphor having high luminance, a phosphor paste containing the phosphor and a light-emitting device. The phosphor includes an oxide containing M1, M2 and M3 (wherein M1 represents at least one element selected from the group consisting of Ba, Sr and Ca; M2 represents at least one element selected from the group consisting of Ti, Zr, Hf, Si, Ge and Sn, while containing at least Sn; and M3 represents at least one element selected from the group consisting of Si and Ge) as a base material, while being added with an activator.
摘要:
The present invention provides a process for producing a luminescent glass, comprising the steps of adsorbing, to a porous high silica glass, at least one metal component selected from the group consisting of elements of Groups IIIA, IVA, VA, VIA, VIIA, VIII, IB, IIB and IVB of the Periodic Table; and thereafter heating the porous glass in a reducing atmosphere.The luminescent glass obtained by the process is excellent in heat resistance, chemical durability, mechanical strength and other properties, and exhibits strong luminescence when irradiated with UV light or the like. The glass can be effectively used as a luminous body for lighting systems, display devices, etc.
摘要:
A composite photocatalyst includes a semiconducting core and a nanoscale particle disposed on a surface of the semiconducting core, wherein the nanoscale particle is an electron carrier, and wherein the photocatalyst is sensitive to visible light irradiation.
摘要:
There is provided a phosphor emitting light of high brightness and having high weatherability, which has a composition represented by the following general formula: (M11−yRy)aMgM2bM3cOa+2b+(3/2)cX2 wherein M1 is at least one element selected from the group consisting of Ca, Sr, Ba, Zn and Mn, M2 is at least one element selected from the group consisting of Si, Ge and Sn, M3 is at least one element selected from the group consisting of B, Al, Ga and In, X is at least one element selected from the group consisting of F, Cl, Br and I, R is at least one element selected from the group consisting of rare earth elements with Eu being an inevitable element, and y, a, b and c satisfy the following relationships of 0.0001≦y≦0.3, 7.0≦a
摘要翻译:提供了具有高亮度并具有高耐候性的光的荧光体,其具有由以下通式表示的组成:(M11-yRy)aMgM2bM3cOa + 2b +(3/2)cX2其中M1是选自 由Ca,Sr,Ba,Zn和Mn组成的组,M2是选自Si,Ge和Sn中的至少一种元素,M3是选自由B,Al,Ga和In组成的组中的至少一种元素 X为选自F,Cl,Br和I的至少一种元素,R为选自Eu为不可避免元素的稀土元素中的至少一种元素,y,a,b和 c满足以下关系:0.0001 <= y <= 0.3,7.0 <= a <10.0,3.0 <= b <5.0和0 <= c <1.0。
摘要:
An object of the present invention is to provide a high-efficiency red light emitting phosphor and white light emitting phosphor for using in a display or lighting which high-efficiently emits light in combination with a light source which emits light in the region from near-ultraviolet light to visible light. The present invention relates to a phosphor having a crystal phase having a specified chemical composition.
摘要:
An aspect in accordance with the present invention provides, a fluorescent material with garnet structure containing Gd, Al, Ga, and O at least, containing Lu and/or Y, and also containing Ce as an activator, wherein said fluorescent material is expressed as (Gd1−x−zLxCez)3+a(Al1−uGau)5−aO12, wherein L is Lu and/or Y, wherein 0
摘要:
A nanomaterial comprising a plurality of nanoparticles. The plurality of nanoparticles includes at least one dopant and at least one of a metal oxide, a metal phosphate, a metal silicate, a metal hafnate, a metal aluminate, and combinations thereof. The metal is one of an alkali earth metal, a lanthanide, and a transition metal. The plurality of nanoparticles is formed by forming a homogenized precursor solution of at least one metal precursor and at least one dopant precursor, adding a fuel and optionally at least one of a phosphate source, a silicate source, a hafnate source, and an aluminate source to the precursor solution, removing water from the precursor solution to leave a reaction concentrate, and igniting the reaction concentrate to form a powder comprising the nanomaterial. In one embodiment, the nanomaterial is a scintillator material.