摘要:
A water splitting oxygen evolving catalyst including: a metal oxide particle including a metal oxide represented by Formula 1: Co1−xMxOY Formula I wherein M is at least one selected from Al, In, Ga, Si, and Sn, x and y respectively satisfy the inequalities 0≦x
摘要翻译:一种水分解放氧催化剂,包括:金属氧化物颗粒,其包含由式1表示的金属氧化物:Co1-xMxOY式I,其中M为选自Al,In,Ga,Si和Sn中的至少一种,x和y分别满足 不等式0 @ x <0.5和1
摘要:
An oxynitride phosphor including: a compound represented by Formula 1: M1a-xM2x-yCeySib-zAlzOc-xNx, Formula 1 wherein M1 is at least one element selected from the group consisting of calcium, strontium, barium, magnesium, zinc, and europium, M2 is at least one element selected from the group consisting of scandium, yttrium, lutetium, lanthanum, praseodymium, samarium, gadolinium, terbium, ytterbium, and dysprosium, and a is about 1.7 to about 2.3, b is about 0.7 to about 1.3, c is about 3.5 to about 4.5, x is greater than 0 and less than about 2, y is greater than 0 and less than about 0.5, and z is equal to or greater than 0 and less than about 0.5.
摘要:
Provided is a phosphate nano phosphor with a mean particle diameter of 100 to 3000 nm. Also provided is a method of preparing a nano phosphor, the method comprising: dissolving two or more species of metal precursor compounds in water, and then adjusting the pH to prepare an aqueous solution of pH 4-10; coprecipitating the aqueous solution by mixing with a phosphate precursor aqueous solution with the pH adjusted to 7-12; and redispersing the particles obtained from the coprecipitation in water or polyol solvent, and then heat treating the particles. The phosphate nano phosphor according to the present invention has superior light emission efficiency compared with conventional nano phosphors.
摘要:
A visible light sensitive photocatalyst including a compound represented by Formula 1: Aa-xM1xSib-yM2yOc Formula 1 wherein A is one or more metals selected from Ag, Cu, and Au; M1 is one or more metals selected from Li, Na, K, Rb, and Cs; M2 is one or more metals selected from Ge, Sn, Ti, Zr, and Hf, and 1.7≦a≦2.3, 0.7≦b≦1.3, 2.7≦c≦3.3, 0≦x
摘要翻译:一种可见光敏光催化剂,包括由式1表示的化合物:Aa-xM1xSib-yM2yOc式1其中A是一种或多种选自Ag,Cu和Au的金属; M1是选自Li,Na,K,Rb和Cs中的一种或多种金属; M2是选自Ge,Sn,Ti,Zr和Hf中的一种或多种金属,以及1.7和nlE; a&nlE; 2.3,0.7和nlE; b&nlE; 1.3,2.7和nlE; c&nlE; 3.3,0和nlE; x
摘要:
A green phosphor, has an orthorhombic structure of a Pnma space group and the Formula 1: (M11-xDx)pM2qOrAs [Formula 1] wherein M1 is magnesium, calcium, strontium, barium, and any combination thereof, D is at least one of metal selected from the group consisting of europium, manganese, antimony, cerium, praseodymium, neodymium, samarium, terbium, dysprosium, erbium, ytterbium, bismuth, and any combination thereof, M2 is at least one selected from the group consisting of silicon, germanium, aluminum, gallium, and any combination thereof, A is at least one selected from the group consisting of chlorine, fluorine, bromine, iodine, and any combination thereof, and 2.7≦p≦3.3, 0.7≦q≦1.3, 3.5≦r≦4.5, 1.7≦s≦2.3, and 0
摘要:
Disclosed is a compound comprising Ba—Sr—Ca obtained by heat treating, under a reducing atmosphere, a starting material which is a blend comprising Ba oxide; Sr oxide; Ca oxide; an oxide of Eu, Mn, Sm, Sn, Sb, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Yb, or Bi; Mg oxide; and an oxide of Si or Ge; the blend being mixed together in a molar ratio of x:y:z:(7-x-y-z):a:b, where 0
摘要:
Disclosed is a silicate phosphor represented by Formula: Lia-xAxSrb-y-z-lByEuzClSic-mDmOd-nEn where A includes at least one ion selected from the group consisting of Na, K, Rb, and Cs. B includes at least one ion selected from the group consisting of Mg, Ca, Ba and Zn. C includes at least one ion selected from the group consisting of Sc, Y, La, Gd, Ce, Pr, Nd, Sm, Tb, Dy, Ho, Er, Tm, Yb, Lu and Bi. D includes at least one ion selected from the group consisting of B, Al, Ga, In and TI. E includes at least one ion selected from the group consisting of F, Cl, Br, and I. Further disclosed is a white light emitting device including the silicate phosphor.
摘要:
Provided is an (oxy)nitride phosphor, which is a compound represented by Formula 1 below: {M(1-x)Eux}aSibOcNd wherein,M is an alkaline earth metal; and0
摘要:
A halosilicate phosphor represented by Formula 1 p(Ca1-xM1x)O.qM2O2.rM3A2:sM4 wherein M1 includes at least one selected from a group consisting of Sr2+ and Ba2+; M2 includes at least one selected from a group consisting of Si4+ and Ge4+; M3 includes at least one selected from a group consisting of Ca2+, Sr2+ and Ba2+; M4 includes at least one selected from a group consisting of Eu2+, Mn2+, Sb2+, Ce3+, Pr3+, Nd3+, Sm3+, Tb3+, Dy3+, Ho3+, Er3+, Yb3+ and Bi3+; A includes at least on selected from a group consisting of F−, Cl−, Br− and I−; and wherein 0≦x
摘要:
Disclosed is a method for preparing an oxide nano phosphor. A metal precursor solution is prepared. The metal precursor solution is impregnated into a porous polymer material. A heat treatment is performed on the porous polymer material having the metal precursor solution impregnated therein. The heat treatment is performed by heating the porous polymer material having the metal precursor impregnated therein up to a temperature of higher than 500° C. solution at a temperature elevating rate of higher than 100° C. per minute.