Method for forming an oxide coated substrate

A method for forming an oxide coated substrate comprising heating a pre-coating mixture in the presence of a substrate to synthesize an oxide coating on the substrate. The pre-coating mixture comprises a solubilized reducing additive, a solubilized oxidizing additive, and the substrate. The heating is conducted at a temperature sufficiently high enough to exothermically react the solubilized reducing additive and solubilized oxidizing additive and low enough to control the phase and composition of the oxide.

Disinfecting water device

Described herein are devices for providing drinking fluid from feed sources comprising: a first reservoir, a filter for mechanically removing particles and a second reservoir for receipt of the processed feed fluid. A continually disinfecting element is disposed in either or both reservoirs to remove additional materials from the fluid. Drinking fluid is provided in a portable device. Optional light sources are provided to interact with the disinfecting elements and/or provide an indication of the contained suitability of such disinfecting elements. A method for creating drinking fluid from a feed source is also disclosed.

ACOUSTICALLY TRANSPARENT ANTIMICROBIAL SURFACES

Described herein are medical elements for reducing intra-patient microbial contamination. The elements include an acoustically transmissive matrix and an antimicrobial element.

Organic electroluminescent device having a photocatalyst layer

The present invention relates to an organic electroluminescent device comprising a substrate, an organic electroluminescent element, and a photocatalyst layer, wherein the organic electroluminescent element includes: a first conductive layer provided on the substrate; an organic electroluminescent layer provided on the first conductive layer; and a second conductive layer provided on the organic electroluminescent layer, wherein the photocatalyst layer covers all or part of a light-emitting region of the organic electroluminescent element, and contains a photocatalyst and a co-catalyst, and wherein an absolute value of the difference (|R1−R2|) between the refractive index (R1) of the photocatalyst and the refractive index (R2) of the co-catalyst at a wavelength of 589 nm is 0 to 0.35.

High surface area photocatalyst material and method of manufacture

Photocatalytic materials are described herein which include thin nanostructures. For example, the catalytic material can include a nanostructure that has a thin structure of a photocatalytic composition, wherein the thin structure is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition. The photocatalytic composition may include an inorganic compound, such as a titanium and/or stannous oxide. The first surface and a second surface may be relatively large as compared to the thickness of the thin structure, or the thickness of the nanostructure.

Emissive ceramic material having dopant concentration gradient and method of making and using same

Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers.

Titania photocatalytic compounds and methods of making the same

Disclosed herein are titania photocatalysts, titania photocatalytic compositions, and methods of making the same. The photocatalysts may, for example, be represented by the formula of (Ti 1-r M r )(O 2-x-y C x N y ), where M, r, x, are y defined in the specification. The photocatalysts may, in some embodiments, provide superior photocatalytic activity relative to titania. Also disclosed are methods making the photocatalysts. The method may provide economical techniques for obtaining the titania photocatalysts.

Light emissive ceramic laminate and method of making same

A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder.

Light emissive ceramic laminate and method of making same

A laminated composite includes a wavelength-converting layer and a non-emissive blocking layer, wherein the emissive layer includes a garnet host material and an emissive guest material, and the non-emissive blocking layer includes a non-emissive blocking material. The metallic element constituting the non-emissive blocking material has an ionic radius which is less than about 80% of an ionic radius of an A cation element when the garnet or garnet-like host material is expressed as ?3?5O12 and/or an element constituting the emissive guest material, and the non-emissive blocking layer is substantially free of the emissive guest material migrated through an interface between the emissive layer and the non-emissive blocking layer.

PHOTOCATALYTIC COATING AND METHOD OF MAKING SAME

Described herein are methods for coating a substrate with a photocatalytic compound, and photocatalytic elements prepared by these methods. 1. A method for making a photocatalytic element comprising:(a) coating a substrate with an inorganic silicon oxide precursor solution, comprising a silsesquioxane having predominantly cage form characteristics, and a solvent;(b) a first curing of the coated substrate at a temperature sufficient to remove the solvent and retain silsesquioxane cage form characteristics;(c) coating the coated substrate with a dispersion comprising a photocatalytic material to form a plural coated substrate; and(d) a second curing of the plural coated substrate at a temperature sufficient to immobilize at least a portion of the photocatalytic material above the surface of the coated substrate;(e) wherein at least some of the silsesquioxane is converted to create a silicon dioxide interface with the substrate as a result of the first curing or the second curing.2. The method of claim 1 , wherein the silicon oxide precursor solution is a flowable oxide solution.3. The method of claim 1 , wherein the solvent is selected from methyl isobutyl ketone claim 1 , 2-pentanone claim 1 , methyl isopropyl ketone and diisobutyl ketone.4. The method of claim 1 , wherein the inorganic silicon precursor solution is FOX®-17.5. The method of claim 1 , wherein the first curing step is less than 235° C. for about 4 min to about 90 min.6. The method of claim 1 , wherein the first curing step is less than about 235° C. for about 30 min.7. The method of claim 1 , wherein the second curing step is by thermal curing claim 1 , exposure to an oxygen plasma source claim 1 , or exposure to an electron beam.8. The method of claim 1 , wherein the second curing is by thermal curing at about 100° C. to about 450° C.9. The method of claim 1 , wherein the second curing is by thermal curing at about 200° C. to about 600° C.10. The element of claim 1 , wherein the photocatalytic ...

PHOSPHOR COMPOSITION AND LIGHT EMITTING DEVICE USING THE SAME

Disclosed herein are phosphor compositions which can exhibit a broad emission spectrum and improved color rendering index (CRI) relative to conventional phosphor materials. The phosphor compositions may, in some embodiments, be represented by the Formula I: (RECeAk)(MGSiMn)(SiP)ON, wherein RE comprises at least one rare earth metal; Ak comprises at least one alkaline earth metal; MG comprises at least one main group element; x is greater than 0 and less than or equal to 0.2; y is less than 1; z is greater than 0 and less than or equal to 0.8; e is about 0 or less than or equal to 0.16; r is about 0 or less than or equal to 1; and z is about the sum of e and y. Also disclosed herein are lighting apparatuses including the phosphor compositions, as well as methods of making and using the phosphor compositions. 1. A phosphor composition comprising a compound represented by the formula (RECeAk)(MG , SiMn)(SiPN , wherein:RE comprises at least one rare earth metal;Ak comprises at least one alkaline earth metal;MG comprises at least one main group element;x is greater than 0 and less than or equal to 0.2;y is less than 1;z is greater than 0 and less than or equal to 0.8;e is about 0, or less than or equal to 0.16;r is about 0, or less than or equal to 1; andz is about the sum of e and y.2. The phosphor composition of claim 1 , wherein MG is selected from the group consisting of Al claim 1 , Sc claim 1 , In claim 1 , Ga claim 1 , B claim 1 , Si and combinations thereof.3. The phosphor composition of claim 2 , wherein MG is Al.4. The phosphor composition of claim 1 , wherein RE is selected from the group consisting of Lu claim 1 , Y claim 1 , Gd claim 1 , Tb claim 1 , Sm claim 1 , Pr and combinations thereof.5. The phosphor composition of claim 4 , wherein RE is Lu.6. The phosphor composition of claim 1 , wherein Ak is selected from the group consisting of Mg claim 1 , Ca claim 1 , Ba claim 1 , Sr and combinations thereof.7. The phosphor composition of claim 6 , wherein Ak is ...

LIGHT EMITTING DEVICE WITH TRANSLUCENT CERAMIC PLATE

A light emitting device comprising a light emitting component that emits light with a first peak wavelength, and at least one sintered ceramic plate over the light emitting component is described. The at least one sintered ceramic plate is capable of absorbing at least a portion of the light emitted from said light emitting component and emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%. A method for improving the luminance intensity of a light emitting device comprising providing a light emitting component and positioning at least one translucent sintered ceramic plate described above over the light emitting component is also disclosed. 1. A light emitting device comprising:a light emitting component that emits light with a first peak wavelength of about 440 nm to about 470 nm;at least one sintered ceramic plate configured to absorb at least a portion of the light emitted from said light emitting component, wherein the at least one sintered ceramic plate comprises a multiphasic material, said multiphasic material comprises about 90% to about 99.99% by volume of an emissive phase and about 10% to about 0.01% by volume of a second phase; andwherein the at least one sintered ceramic plate is capable of emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%.2. The light emitting device of claim 1 , wherein the multiphasic material comprises about 95% to about 99.99% by volume of the emissive phase and about 5% to about 0.01% by volume of the second phase.3. The light emitting device of claim 1 , wherein the multiphasic material comprises about 98% to about 99.95% by volume of the emissive phase and about 2% to about 0.05% by volume of the second phase.4. The light emitting device of claim 1 , wherein said at least one sintered ceramic plate is prepared by using nano-sized raw ceramic powders having an ...

METHOD FOR PRODUCING NANOPARTICLES

Some embodiments disclosed herein are related to methods of preparing a nanoparticle composition comprising: providing an aerosol comprising a plurality of droplets of a precursor solution comprising at least one nanoparticle precursor and an expansive component; passing the aerosol through a plasma; and collecting a nanoparticle composition product from the carrier gas which has exited the plasma. Some embodiments relate to nanoparticle compositions provided by this process. Some embodiments relate to light-emitting diodes or light emitting devices comprising these compositions. 1. A method of preparing a nanoparticle composition comprising:providing an aerosol comprising a plurality of droplets of a precursor solution and a carrier gas, wherein the precursor solution comprises at least one nanoparticle precursor, an expansive component, and a solvent;passing the aerosol through a plasma; andcollecting a nanoparticle composition product from the carrier gas which has exited the plasma.2. The method of claim 1 , wherein the nanoparticle precursor comprises a metal nitrate.3. The method of claim 1 , wherein the nanoparticle precursor comprises a nitrate of ytrrium claim 1 , a nitrate of aluminum claim 1 , and a nitrate of cerium.4. The method of claim 1 , wherein the solvent comprises water.5. The method of claim 1 , wherein the expansive component is a solid that decomposes to produce a gas upon heating.6. The method of claim 1 , wherein the expansive component comprises at least one of urea claim 1 , carbohydrazide claim 1 , and glycine.7. The method of claim 1 , wherein about 95% of the plurality of droplets by number have a diameter in the range of about 20 nm to about 200 μm.8. The method of claim 1 , wherein the plasma is an RF thermal plasma.9. The method of claim 1 , wherein the plasma is a DC thermal plasma.10. The method of claim 1 , wherein 95% of the nanoparticles by number in the nanoparticle composition have a diameter in the range of about 10 nm to ...

Transparent Photocatalyst Coating

Photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency. 1. A photocatalytic composition comprising a photocatalyst and a co-catalyst.2. The photocatalytic composition of claim 1 , wherein the co-catalyst improves the catalytic performance of the photocatalyst by at least about 1.2 claim 1 , as measured by the rate of photocatalytic decomposition of acetaldehyde.3. The photocatalytic composition of claim 1 , wherein the photocatalyst has a band gap of about 1.5 eV to about 3.5 eV.4. The photocatalytic composition of claim 1 , wherein the photocatalyst comprises tungsten or titanium.5. The photocatalytic composition of claim 1 , where the photocatalyst is doped with a naturally occurring element.6. The photocatalyst composition of claim 1 , where the photocatalyst is loaded with a transition metal claim 1 , a transition metal oxide claim 1 , or a transition metal hydroxide.7. The photocatalyst of claim 1 , wherein the photocatalyst comprises WO claim 1 , TiO claim 1 , or Ti(O claim 1 ,C claim 1 ,N):Sn.8. The photocatalytic composition of claim 1 , wherein the co-catalyst is a metal oxide capable of being reduced by electron transfer from the conduction band of the photocatalyst.9. The photocatalytic composition of claim 1 , wherein the co-catalyst is a metal oxide capable of reducing Oby electron transfer.10. The photocatalytic composition of claim 1 , wherein the co-catalyst is capable of converting atmospheric Oto superoxide radical ion.11. The photocatalytic composition of claim 10 , wherein the co-catalyst is capable of converting atmospheric Oto superoxide radical ion under ambient conditions.12. The photocatalytic composition of claim 1 , wherein the co-catalyst comprises anatase TiO claim 1 , SrTiO claim 1 , KTaO claim 1 , or KNbO.13. The photocatalytic composition of claim 1 , wherein the co-catalyst comprises InO claim 1 , TaO claim 1 , anatase TiO claim 1 , rutile TiO claim 1 , a combination of anatase and ...

TITANIA PHOTOCATALYTIC COMPOUNDS AND METHODS OF MAKING THE SAME

Disclosed herein are titania photocatalysts, titania photocatalytic compositions, and methods of making the same. The photocatalysts may, for example, be represented by the formula of (TiM)(OCN), where M, r, x, are y defined in the specification. The photocatalysts may, in some embodiments, provide superior photocatalytic activity relative to titania. Also disclosed are methods making the photocatalysts. The method may provide economical techniques for obtaining the titania photocatalysts. 1. A titanium-oxide based photocatalyst represented by the formula of (TiM)(OCN) , wherein:M is selected from the group consisting of Sn, Ni, Sr, Ba, Fe, Bi, V, Mo, W, Zn, Cu, and combinations thereof;r is in the range of about 0.0001 to about 0.25;x is in the range of about 0.001 to about 0.1; andy is in the range of about 0.001 to about 0.1.2. The photocatalyst of claim 1 , wherein r is no more than about 0.05.3. The photocatalyst of claim 1 , wherein M is selected from the group consisting of Sn claim 1 , Ni claim 1 , Sr claim 1 , Ba claim 1 , Fe claim 1 , Bi claim 1 , and combinations thereof.4. The photocatalyst of claim 3 , wherein r is in the range of about 0.0001 to about 0.15.5. The photocatalyst of claim 1 , wherein M is selected from the group consisting of Mo claim 1 , W claim 1 , and combinations thereof.6. The photocatalyst of claim 5 , wherein r is in the range of about 0.0001 to about 0.10.7. The photocatalyst of claim 1 , wherein M is V.8. The photocatalyst of claim 7 , wherein r is in the range of about 0.0001 to about 0.05.9. The photocatalyst of claim 1 , wherein M is Sn.10. The photocatalyst of claim 1 , wherein x is in the range of about 0.001 to about 0.07.11. The photocatalyst of claim 1 , wherein y is in the range of about 0.001 to about 0.05.12. The photocatalyst of claim 1 , wherein the photocatalyst is selected from the group consisting of (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiSn)(OCN) claim 1 , (TiNi ...

HIGH SURFACE AREA PHOTOCATALYST MATERIAL AND METHOD OF MANUFACTURE

Photocatalytic materials are described herein which include thin nanostructures. For example, the catalytic material can include a nanostructure that has a thin structure of a photocatalytic composition, wherein the thin structure is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition. The photocatalytic composition may include an inorganic compound, such as a titanium and/or stannous oxide. The first surface and a second surface may be relatively large as compared to the thickness of the thin structure, or the thickness of the nanostructure. 1. A photocatalytic material comprising:a nanostructure comprising: a thin structure of a photocatalytic composition comprising an inorganic compound, which is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition; andwherein the thin structure of the photocatalytic composition has a thickness that is substantially smaller than the square root of the area of the first surface.2. The photocatalytic material of claim 1 , wherein the nanostructure is a nanosheet-shaped claim 1 , nanoflake-shaped claim 1 , pseudoplanar-shaped claim 1 , or ribbon-shaped.3. The photocatalytic material of claim 1 , wherein at least a portion of the nanostructure is wavy.4. The photocatalytic material of claim 1 , wherein the nanostructure comprises a pore that extends from the first surface to the second surface through the thin structure of the photocatalytic composition.5. The photocatalytic material of claim 1 , wherein the nanostructure is free of pores that extend from the first surface to the second surface through the thin structure of the photocatalytic composition.6. The photocatalytic material of claim 1 , having a Brunauer-Emmett-Teller (BET) specific surface area of at least 30 m/g.7. The photocatalytic material of claim 1 , wherein the thickness of the thin structure of the photocatalytic composition is ...

GARNET-BASED PHOSPHOR CERAMIC SHEETS FOR LIGHT EMITTING DEVICE

Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer. 1. A lighting apparatus comprising:a light source configured to emit radiation having a wavelength of peak emission between about 360 nm and about 500 nm; anda composite configured to receive at least a portion of the radiation emitted by the light source, wherein the composite comprises a first emissive layer and a second emissive layer;wherein the first emissive layer comprises a first garnet phosphor and the second emissive layer comprises a second garnet phosphor, and the first garnet phosphor and the second garnet phosphor are doped with a common dopant.2. The lighting apparatus of claim 1 , wherein the second emissive layer is disposed between the first emissive layer and the light source.3. The lighting apparatus of claim 1 , wherein the composite is substantially free of resin between the first emissive layer and the second emissive layer.4. The lighting apparatus of claim 1 , wherein the composite is substantially free of an adhesive between the first emissive layer and the second emissive layer.5. The lighting apparatus of claim 1 , wherein each of the first emissive layer and the second emissive layer has an at least 25% transmittance.6. The lighting apparatus of claim 1 , wherein the first garnet phosphor has a first wavelength of peak emission between about 495 nm and about ...

DISINFECTING WATER DEVICE

Described herein are devices for providing drinking fluid from feed sources comprising: a first reservoir, a filter for mechanically removing particles and a second reservoir for receipt of the processed feed fluid. A continually disinfecting element is disposed in either or both reservoirs to remove additional materials from the fluid. Drinking fluid is provided in a portable device. Optional light sources are provided to interact with the disinfecting elements and/or provide an indication of the contained suitability of such disinfecting elements. A method for creating drinking fluid from a feed source is also disclosed. 1. A device for producing a drinkable aqueous liquid from feed liquid comprising:a first fluid reservoir for receiving an aqueous feed liquid;a filter, in fluid communication with both the first fluid reservoir and a second fluid reservoir;wherein the filter is configured to size exclude undesired materials as the aqueous feed liquid passes from the first fluid reservoir to the second fluid reservoir, so that a sufficient amount of undesired materials are removed from the aqueous feed liquid to provide drinkable water to the second fluid reservoir by one pass of the aqueous feed liquid through the filter; anda disinfecting element disposed within the first fluid reservoir or the second fluid reservoir and contacting the water contained therein, wherein a sufficient amount of disinfecting element is present to disinfect a volume of aqueous feed liquid that is greater than the volume of the first fluid reservoir.2. The device of claim 1 , wherein the disinfecting element is within an antimicrobially effective distance of a surface of the filter.3. The device of claim 1 , wherein the disinfecting element is disposed within the first fluid reservoir within an antimicrobially effective distance of a surface of the first fluid reservoir.4. The device of claim 1 , wherein the disinfecting element is disposed within the second fluid reservoir within an ...

Silicon Precursors for Sunthesizing Multi-Elemental Inorganic Silicon-Containing Materials and Methods of Synthesizing Same

A method for making silicon materials includes providing a multi-elemental water-soluble precursor solution comprising at least one silicon precursor and applying a heat source to the silicon precursor to form a multi-elemental silicon material. A composition, light emitting element and light emitting device including the silicon materials made in accordance with the method are described. 1. A method for making an inorganic silicon material comprising:providing soluble precursors comprising at least one silicon containing precursor, said precursors being soluble in water;forming a precursor solution by dissolving the soluble precursors in a solvent, wherein the precursor solution has a pH of between about 5.0 and about 9.0; andapplying heat to the precursor solution until a solid inorganic multi-elemental silicon material forms without polymerization, wherein the solid inorganic multi-elemental silicon is substantially free of solvent as a result of the heating,wherein the heat is applied to the precursor solution using a heat source having a temperature that is at least 250° C.2. The method of claim 1 , wherein the solvent is water.3. The method of claim 1 , wherein the precursor solution has a pH of between about 6.0 and about 8.0.4. The method of claim 1 , wherein the precursor solution is halide free.5. The method of claim 1 , wherein the precursor solution further comprises at least one expansive component and a carrier solvent.6. The method of claim 1 , further comprising providing an aerosol comprising a plurality of droplets of the precursor solution and a carrier gas prior to the step of applying heat.7. The method of claim 6 , wherein the heat is generated in a reaction zone where the aerosol is passed therethrough.8. The method of claim 7 , further comprising collecting the inorganic silicon material after the material has exited from the reaction zone.9. The method of claim 1 , wherein the heat is derived from a flowing heat source.10. The method of ...

Filter Element for Decomposing Contaminants, System for Decomposing Contaminants and Method Using the System

Embodiments of the present invention include a filter element for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst. The embodiments of the present invention also includes a system for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst; and a method using the system. 1. A filter element for decomposing contaminants comprising:a substrate; anda photocatalytic composition comprising at least a photocatalyst.2. The filter element as claimed in claim 1 , wherein the substrate is a gas permeable support.3. The filter element as claimed in claim 1 , wherein the photocatalyst shows visible light responsiveness.4. The filter element as claimed in claim 1 , wherein said photocatalyst comprises WO claim 1 , TiO claim 1 , or Ti(O claim 1 ,C claim 1 ,N):Sn.5. The filter element as claimed in claim 1 , wherein the photocatalytic composition further comprises a co-catalyst.6. The filter element as claimed in claim 5 , wherein said co-catalyst comprises anatase TiO claim 5 , SrTiO claim 5 , KTaO claim 5 , or KNbO.7. The filter element as claimed in claim 5 , wherein said co-catalyst comprises InO claim 5 , TaO claim 5 , anatase TiO claim 5 , rutile TiO claim 5 , a combination of anatase and rutile TiO claim 5 , or CeO.8. The filter element as claimed in claim 5 , wherein the photocatalyst contains WO claim 5 , and the co-catalyst contains CeO.9. The filter element as claimed in claim 5 , wherein the photocatalyst contains TiOor SnO claim 5 , and the co-catalyst contains CuO or CuO claim 5 , and wherein the co-catalyst is supported on the photocatalyst.10. The filter element as claimed in claim 1 , which further comprises a fluororesin porous layer laminated on at least one surface of the substrate claim 1 , wherein the photocatalytic composition is disposed on the fluororesin porous layer.11. The filter element as claimed in claim 10 , wherein a ...

FILTER ELEMENT FOR DECOMPOSING CONTAMINANTS, SYSTEM FOR DECOMPOSING CONTAMINANTS AND METHOD USING THE SYSTEM

Embodiments of the present invention include a filter element for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst and a co-catalyst. The embodiments of the present invention also includes a system for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst and a co-catalyst; and a method using the system. 1. A filter element for decomposing contaminants comprising:a substrate; anda photocatalytic composition comprising at least a photocatalyst and a co-catalyst;{'sub': 3', '2', '3', '2, 'wherein the photocatalyst contains WOand the co-catalyst contains CeO, and wherein the molar ratio of WOto CeOis 1:5 to 5:1.'}2. The filter element as claimed in claim 1 , wherein the substrate is a gas permeable support.3. The filter element as claimed in claim 1 , wherein the photocatalyst shows visible light responsiveness.4. The filter element as claimed in claim 1 , wherein said photocatalyst further comprises TiOor Ti(O claim 1 ,C claim 1 ,N):Sn.5. The filter element as claimed in claim 1 , wherein said co-catalyst further comprises anatase TiO claim 1 , SrTiO claim 1 , KTaO claim 1 , or KNbO.6. The filter element as claimed in claim 1 , wherein said co-catalyst further comprises InO claim 1 , TaO claim 1 , anatase TiO claim 1 , rutile TiO claim 1 , or a combination of anatase and rutile TiO.7. The filter element as claimed in claim 1 , which further comprises a fluororesin porous layer laminated on at least one surface of the substrate claim 1 , wherein the photocatalytic composition is disposed on the fluororesin porous layer.8. The filter element as claimed in claim 7 , wherein a fluororesin constituting the fluororesin porous layer contains polytetrafluoroethylene.9. The filter element as claimed in claim 7 , wherein the photocatalytic composition is formed on the fluororesin porous layer through an aerosol deposition method.10. The filter ...

TRANSPARENT PHOTOCATALYST COATING AND METHODS OF MANUFACTURING THE SAME

Methods for making photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency. 1. A method of manufacturing a coated article comprising:forming a thin layer of a photocatalytic composition by sputtering at least one photocatalytic source and at least one non-photocatalytic source onto a target material in a sputtering gas atmosphere.2. The method of claim 1 , wherein the photocatalytic source comprises at least one tin source.3. The method of claim 2 , wherein the at least one tin source is selected from SnOand Sn metal.4. The method of claim 1 , wherein the photocatalytic source comprises at least one tungsten source.5. The method of claim 4 , wherein the at least one tungsten source is selected from WOand W metal.6. The method of any one of claim 1 , wherein the at least one non-photocatalytic source comprises a metal.7. The method of claim 6 , wherein the metal is copper.8. The method of claim 1 , wherein the thin layer comprises a substantially continuous first layer formed from the at least one photocatalytic source and a second layer formed from the at least one non-photocatalytic source claim 1 , wherein the at least one photocatalytic source comprises at least one tin source claim 1 , and the at least one non-photocatalytic source comprises at least one metal source claim 1 , and wherein the second layer is formed immediately on top of the first layer.9. The method of claim 8 , wherein the first layer has a thickness of about 20 nm to about 200 nm.10. The method of claim 8 , wherein the ratio of the volume of the first layer to the volume of the second layer is about 1 to about 100.11. The method of claim 10 , wherein the ratio of the volume of the first layer to the volume of the second layer is about 5 to about 10.12. The method of claim 8 , wherein the non-photocatalytic source comprises copper.13. The method of claim 1 , wherein the thin layer comprises a co-sputtered layer formed from the at least one ...

PHOTOCATALYST SHEET

There is provided a photocatalyst sheet comprising a base material and a photocatalyst layer containing at least a photocatalyst, wherein the photocatalyst layer is firmly adhered to the base material. In an embodiment, there is provided a photocatalyst sheet comprising a base material; and a photocatalyst layer that contains at least a photocatalyst, and is formed on at least one surface of the base material through an aerosol deposition method. This photocatalyst sheet has an excellent photocatalytic activity and an excellent adhesion. 1. A photocatalyst sheet comprising a base material and a photocatalyst layer containing at least a photocatalyst , wherein the photocatalyst layer is firmly adhered to the base material.2. A photocatalyst sheet comprising: a base material; and a photocatalyst layer that contains at least a photocatalyst , and is formed on at least one surface of the base material through an aerosol deposition method.3. The photocatalyst sheet according to claim 2 , wherein the base material is a porous film.4. The photocatalyst sheet according to claim 2 , wherein the base material is formed of a resin.5. The photocatalyst sheet according to claim 4 , wherein the resin includes thermosetting resin claim 4 , a thermoplastic resin claim 4 , an ultraviolet curable resin claim 4 , or an electron beam curable resin.6. The photocatalyst sheet according to claim 2 , wherein the photocatalyst shows a visible-light responsiveness.7. The photocatalyst sheet according to claim 2 , wherein the photocatalyst layer further contains a co-catalyst.8. The photocatalyst sheet according to claim 7 , wherein the photocatalyst contains titanium(IV) oxide or tin(IV) oxide claim 7 , and the co-catalyst contains copper(I) oxide or copper(II) oxide claim 7 , and wherein the co-catalyst is supported on the photocatalyst.9. The photocatalyst sheet according to claim 7 , wherein the photocatalyst contains tungsten(VI) oxide claim 7 , and the co-catalyst contains cerium(IV) ...

ORGANIC ELECTROLUMINESCENT DEVICE AND REFRIGERATOR

The present invention relates to an organic electroluminescent device comprising a substrate, an organic electroluminescent element, and a photocatalyst layer, wherein the organic electroluminescent element includes: a first conductive layer provided on the substrate; an organic electroluminescent layer provided on the first conductive layer; and a second conductive layer provided on the organic electroluminescent layer, wherein the photocatalyst layer covers all or part of a light-emitting region of the organic electroluminescent element, and contains a photocatalyst and a co-catalyst, and wherein an absolute value of the difference (|R1-R2|) between the refractive index (R1) of the photocatalyst and the refractive index (R2) of the co-catalyst at a wavelength of 589 nm is 0 to 0.35. 1. An organic electroluminescent device comprising:a substrate;an organic electroluminescent element; anda photocatalyst layer; a first conductive layer provided on the substrate,', 'an organic electroluminescent layer disposed on the first conductive layer, and', 'a second conductive layer disposed on the organic electroluminescent layer;, 'wherein the organic electroluminescent element includeswherein the photocatalyst layer covers at least part of a light-emitting region of the organic electroluminescent element and contains a photocatalyst and a co-catalyst; andwherein an absolute value of the difference (|R1-R2|) between the refractive index (R1) of the photocatalyst and the refractive index (R2) of the co-catalyst at a wavelength of 589 nm has a value in a range from 0 to 0.35.2. The organic electroluminescent device according to claim 1 , wherein the photocatalyst layer exhibits photocatalytic activity when exposed to visible light.3. The organic electroluminescent device according to claim 1 , wherein the photocatalyst contains tungsten oxide claim 1 , and the co-catalyst contains cerium oxide.4. The organic electroluminescent device according to claim 3 , wherein the tungsten ...

HIGH SURFACE AREA PHOTOCATALYST MATERIAL AND METHOD OF MANUFACTURE

Photocatalytic materials are described herein which include thin nanostructures. For example, the catalytic material can include a nanostructure that has a thin structure of a photocatalytic composition, wherein the thin structure is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition. The photocatalytic composition may include an inorganic compound, such as a titanium and/or stannous oxide. The first surface and a second surface may be relatively large as compared to the thickness of the thin structure, or the thickness of the nanostructure.

Emissive ceramic materials having a dopant concentration gradient and methods of making and using the same

Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers.

Transparent photocatalyst coating and methods of manufacturing the same

Methods for making photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency.

Method for Forming an Oxide Coated Substrate

A method for forming an oxide coated substrate comprising heating a pre-coating mixture in the presence of a substrate to synthesize an oxide coating on the substrate. The pre-coating mixture comprises a solubilized reducing additive, a solubilized oxidizing additive, and the substrate. The heating is conducted at a temperature sufficiently high enough to exothermically react the solubilized reducing additive and solubilized oxidizing additive and low enough to control the phase and composition of the oxide.

Nanoscale phosphor particles with high quantum efficiency and method for synthesizing the same

Described herein are batches of nanoscale phosphor particles having an average particle size of less than about 200 nm and an average internal quantum efficiency of at least 40%. The batches of nanoscale phosphor particles can be substantially free of impurities. Also described herein are methods of manufacturing the nanoscale phosphor particles by passing phosphor particles through a reactive field to thereby dissociate them into elements and then synthesizing nanoscale phosphor particles by nucleating the elements and quenching the resulting particles.

Method for producing nanoparticles

Some embodiments disclosed herein are related to methods of preparing a nanoparticle composition comprising: providing an aerosol comprising a plurality of droplets of a precursor solution comprising at least one nanoparticle precursor and an expansive component; passing the aerosol through a plasma; and collecting a nanoparticle composition product from the carrier gas which has exited the plasma. Some embodiments relate to nanoparticle compositions provided by this process. Some embodiments relate to light-emitting diodes or light emitting devices comprising these compositions.

Nanoscale phosphor particles with high quantum efficiency and method for synthesizing the same

Described herein are batches of nanoscale phosphor particles having an average particle size of less than about 200 nm and an average internal quantum efficiency of at least 40%. The batches of nanoscale phosphor particles can be substantially free of impurities. Also described herein are methods of manufacturing the nanoscale phosphor particles by passing phosphor particles through a reactive field to thereby dissociate them into elements and then synthesizing nanoscale phosphor particles by nucleating the elements and quenching the resulting particles.

Production of phase-pure ceramic garnet particles

Disclosed herein are processes for making a plurality of substantially phase-pure metal oxide particles, the particles comprising a garnet structure, the process comprising: subjecting a dispersion of precursors to a solvothermal treatment to form a garnet intermediate and applying a flow-based thermochemical process to said garnet intermediate.

Light emissive ceramic laminate and method of making same

A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder.

Light emissive ceramic laminate and method of making same

A laminated composite includes a wavelength-converting layer and a non-emissive blocking layer, wherein the emissive layer includes a garnet host material and an emissive guest material, and the non-emissive blocking layer includes a non-emissive blocking material. The metallic element constituting the non-emissive blocking material has an ionic radius which is less than about 80% of an ionic radius of an A cation element when the garnet or garnet-like host material is expressed as Α 3 Β 5 O 12 and/or an element constituting the emissive guest material, and the non-emissive blocking layer is substantially free of the emissive guest material migrated through an interface between the emissive layer and the non-emissive blocking layer.

Luminescent ceramic and light-emitting device using the same

Some embodiments provide luminescent ceramics which have a lower amount of dopant than conventional luminescent ceramics. In some embodiments, the luminescent ceramic comprises a host material comprising a rare earth element and at least one rare earth dopant, wherein the rare earth dopant may be about 0.01% to 0.5% of the rare earth atoms present in the material. Some embodiments provide luminescent ceramic comprising: a polycrystalline phosphor represented by the formula (A 1-x E x ) 3 B 5 O 12 . Some embodiments provide a light-emitting device comprising a luminescent ceramic disclosed herein.

Production of phase-pure ceramic garnet particles

Disclosed herein are processes for making a plurality of substantially phase-pure metal oxide particles, the particles comprising a garnet structure, the process comprising: subjecting a dispersion of precursors to a solvothermal treatment to form a garnet intermediate and applying a flow-based thermochemical process to said garnet intermediate.

Method for producing nanoparticles

Some embodiments disclosed herein are related to methods of preparing a nanoparticle composition comprising: providing an aerosol comprising a plurality of droplets of a precursor solution comprising at least one nanoparticle precursor and an expansive component; passing the aerosol through a plasma; and collecting a nanoparticle composition product from the carrier gas which has exited the plasma. Some embodiments relate to nanoparticle compositions provided by this process. Some embodiments relate to light-emitting diodes or light emitting devices comprising these compositions.

Light emissive ceramic laminate and method of making same

A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder.

Nanoscale phosphor particles with high quantum efficiency and method for synthesizing the same

Described herein are batches of nanoscale phosphor particles having an average particle size of less than about 200 nm and an average internal quantum efficiency of at least 40%. The batches of nanoscale phosphor particles can be substantially free of impurities. Also described herein are methods of manufacturing the nanoscale phosphor particles by passing phosphor particles through a reactive field to thereby dissociate them into elements and then synthesizing nanoscale phosphor particles by nucleating the elements and quenching the resulting particles.

High surface area photocatalyst material and method of manufacture

Photocatalytic materials are described herein which include thin nanostructures. For example, the catalytic material can include a nanostructure that has a thin structure of a photocatalytic composition, wherein the thin structure is defined by a first surface and a second surface on opposite sides of the thin structure of the photocatalytic composition. The photocatalytic composition may include an inorganic compound, such as a titanium and/or stannous oxide. The first surface and a second surface may be relatively large as compared to the thickness of the thin structure, or the thickness of the nanostructure.

Acoustically transparent antimicrobial surfaces

Described herein are medical elements for reducing intra-patient microbial contamination. The elements include an acoustically transmissive matrix and an antimicrobial element.

High surface area photocatalyst material and method of manufacture

本文描述之光觸媒材料包含薄奈米結構。舉例而言，催化材料可包含具有光觸媒組合物之薄結構的奈米結構，其中薄結構係由第一表面與位於光觸媒組合物之薄結構的相對側之第二表面所界定。薄結構組合物可包含例如鈦和/或錫之氧化物之無機化合物。第一表面與第二表面相較於薄結構之厚度或奈米結構之厚度可為相對地大。

Garnet-based phosphor ceramic sheets for light emitting device

Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer.

Light emissive ceramic laminate and method of making same

A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder.

Organic electroluminescent device, and refrigerator

Transparent photocatalyst coating and methods of manufacturing the same

Methods for making photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency.

Method and apparatus of producing nanoparticles using nebulized droplet

Methods of generating nanoparticles are described that comprises feeding nebulized droplets into a radio frequency plasma torch to generate nanoparticles, wherein the majority of the nanoparticles generated have a diameter of less than about 50 nm. These methods are useful for synthesizing nanoparticles of metals, semiconductors, ceramics or any other material class where the precursors are either in liquid form or can be dissolved or suspended in a suitable liquid. Methods of feeding nebulized droplets and central gas into a radio frequency plasma torch and apparatus for generating nanoparticles are also described.

Light emitting device with translucent ceramic plate

A light emitting device comprising a light emitting component that emits light with a first peak wavelength, and at least one sintered ceramic plate over the light emitting component is described. The at least one sintered ceramic plate is capable of absorbing at least a portion of the light emitted from said light emitting component and emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%. A method for improving the luminance intensity of a light emitting device comprising providing a light emitting component and positioning at least one translucent sintered ceramic plate described above over the light emitting component is also disclosed.

用於分解污染物之過濾元件、用於分解污染物之系統及使用該系統之方法

本發明之實施例包含一種用於分解污染物之過濾元件，該過濾元件包含基板，及包括至少一種光觸媒之光觸媒組合物。本發明之該等實施例亦包含一種用於分解污染物之系統，該系統包含基板，及包括至少一種光觸媒之光觸媒組合物；以及一種使用該系統之方法。

Transparent photocatalyst coating

透明光触媒コーティング

【課題】所望の光触媒活性レベルおよび透明性を呈示する光触媒組成物および要素の提供。 【解決手段】少なくとも１つの光触媒材料と少なくとも１つの助触媒とを含む透明光触媒組成物であって、助触媒が前記光触媒の触媒性能を、アセトアルデヒドの光触媒的分解率の測定において少なくとも約２倍向上させることができ、光触媒および前記助触媒が互いの約０．７５以内である屈折率を有し、光触媒が、ＷＯ３、ＴｉＯ２、またはＴｉ（Ｏ，Ｃ，Ｎ）２：Ｓｎを含む光触媒組成物。 【選択図】図８

Transparent photocatalyst coating

Photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency.

Method for forming an oxide coated substrate

A method for forming an oxide coated substrate comprising heating a pre-coating mixture in the presence of a substrate to synthesize an oxide coating on the substrate. The pre-coating mixture comprises a solubilized reducing additive, a solubilized oxidizing additive, and the substrate. The heating is conducted at a temperature sufficiently high enough to exothermically react the solubilized reducing additive and solubilized oxidizing additive and low enough to control the phase and composition of the oxide.

Filter element for decomposing contaminants, system for decomposing contaminants and method using the system

Embodiments of the present invention include a filter element for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst. The embodiments of the present invention also includes a system for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst; and a method using the system.

多元素系無機ケイ素含有材料を合成するためのケイ素前駆体およびその合成方法

【課題】ケイ素を含む多元素系無機化合物を製造する際に有用な水溶性ケイ素前駆体の製造方法、並びに多元素系無機化合物の製造方法を提供する。 【解決手段】少なくとも１つのケイ素前駆体を含む、実質的にハロゲンを含まない、多元素系水溶性前駆体溶液を与えることと、このケイ素前駆体に熱プラズマ、火炎噴霧、ホットウォールリアクタまたは噴霧熱分解システムから選択される、熱源をあてて多元素系ケイ素材料を作成することとを含む、ケイ素材料を製造する方法。 【選択図】なし

Transparent photocatalyst coating

Photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency.