摘要:
A luminescent element includes a luminescent substrate; and a metal layer with a metal microstructure formed on a surface of the luminescent substrate; wherein the luminescent substrate has a luminescent material with a chemical composition: Y2O3:Eu. A preparation method of a luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.
摘要翻译:发光元件包括发光基板; 以及在所述发光基板的表面上形成有金属微观结构的金属层; 其中,所述发光基板具有化学成分为Y 2 O 3:Eu的发光材料。 还提供了发光元件的制备方法和发光方法。 发光元件具有良好的发光均匀性,发光效率高,发光稳定性好,结构简单,可用于超高亮度发光装置。
摘要:
Oxide luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the general formula: aRe2O3.bSiO2.cEu2O3.dM, wherein Re is at least one selected from Gd and Y, M is selected from metal nano-particles, (a+c):b=0.5-5, d:b=5×10−5-5×10−3, c:(a+c)=0.02-0.1. Compared to the oxide luminescent materials in the art, the said luminescent materials have higher luminescent intensity.
摘要:
A luminescent material of gallium indium oxide and preparation method thereof are provided. The luminescent material of gallium indium oxide has a chemical formula of GaInO3:zM, wherein, M is the metal nano-particle which is selected from one or two of Ag, Au, Pt and Pd, and z meets the condition of 1×10−5≦z≦0.02. The method for preparing the luminescent material comprises the following steps: (1) preparing the mixed solution containing indium ion and gallium ion; (2) adding chelator and crosslinking agent into the mixed solution to obtain a chelate solution; (3) adding M nano-particles sol which is surface treated into the chelate solution, heating by water-bath and stirring, drying to obtain the precursor of the luminescent material; (4) preheating the precursor, cooling, grinding, calcining, then cooling and grinding again to obtain the luminescent material.
摘要:
Halo-borate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: Ca2-xBO3Cl1-yFy:xEu2+, with zM0, wherein M0 is selected from one of Ag, Au, Pt, Pd or Cu metal nano-particles; 0.001≦x≦0.1, 0≦y≦0.2, 0
摘要:
Halo-silicate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: (Ba1-yAy)2-xSiO4:Eux, Dz@ Mn, wherein A is selected from one or two of Sr, Ca, Mg or Zn, D is selected from one of F or Cl, M is selected from at least one of Ag, Au, Pt, Pd or Cu metal nano-particles; @ is coating; (Ba1-yAy)2-xSiO4:Eux, Dz, is shell; 0.001
摘要:
Disclosed is a strontium cerate luminescent material having a chemical formula of Sr2CeO4:xM and comprising the luminescent material Sr2CeO4 and metal nanoparticle M, and the preparation method thereof, where M is at least one of Ag, Au, Pt and Pd, and x is a molar ratio of M to the luminescent material Sr2CeO4 and 0
摘要:
Double core-shell fluorescent materials and preparation methods thereof are provided. The double core-shell fluorescent materials include inner core, inner shell coating the inner core and outer shell coating the said inner shell. The inner core is metal particle and the chemical constitution of the inner shell is silicon dioxide. The outer shell is fluorescent powder represented by the following chemical formula: (R1-x, Eux)2O3, wherein R is Y, Gd or combination thereof, 0.02≦x≦0.1. The double core-shell fluorescent materials with uniform and stable luminous effect not only increase luminous intensity, but also decrease usage amount of fluorescent powder by using metal particle as inner core.
摘要:
The disclosure provides a preparation method for copper oxide nanowires including following steps: step 01, a conductive layer as an electrode is prepared on a clean substrate, or a clean substrate with a conductive layer is provided directly. Step 02, copper powder is weighed up, and the copper powder is homogeneously mixed with organic carrier. Step 03, mixture prepared in step 02 is printed onto the clean substrate with a conductive layer. Step 04, the substrate after being processed by step 03 is sintered under atmosphere having oxygen, and finally cooled to obtain copper oxide nanowires. Adhesion between the copper oxide nanowires prepared in the present disclosure and the substrate is excellent, the copper oxide nanowires may substantially prepared uniformly in large area and under low temperature, technology flow of coating is decreased, a cost of manufacture is decreased, such that a promising method for bottleneck of commercialization process of the field emission device is provided.
摘要:
Blue light emitting glass and the preparation method thereof are provided. The blue light emitting glass has the following composition: aCaO.bAl2O3.cSiO2.xCeO2, wherein a, b, c and x are, by mol part, 15-55, 15-35, 20-60 and 0.01-5 respectively. The preparation method comprises: weighing the raw materials according to the composition of the blue light emitting glass; mixing the raw materials uniformly and melting the raw materials to obtain glass melt; molding the glass melt to obtain transparent glass; thermally treating the transparent glass under reducing atmosphere, and thereafter obtaining the finished product. The blue light emitting glass obtained has intense broadband excitation spectrum in ultraviolet region and emits intense blue light under the excitation of ultraviolet light. It is suitable for using as luminescent medium material.
摘要:
Bismuth ion sensitized rare earth germanate luminescence materials and preparation methods are disclosed. The luminescence materials are the compounds of the following general formula (Y1-x-y-zAxBiyLnz)2GeO5. The preparation methods comprise: using oxides, carbonates, oxalates, acetates, nitrates or halides of Y, A, Bi, Ln and Ge as raw materials, wherein A is one of Gd, Lu, Sc and La, and Ln is at least one of Tm, Ho, Sm, Tb, Eu and Dy, homogeneously grinding the raw materials, sintering at 1300-1500° C. for 6-24 h, and then cooling them to room temperature to obtain the bismuth ion sensitized rare earth germanate luminescence materials.