摘要:
A photocatalytic element including: a photocatalytic layer containing at least one photocatalytic material; and a light emitting source in optical communication with the photocatalytic material, the light emitting source disposed sufficiently proximal to the photocatalytic material to raise the surface temperature of at least some of the photocatalytic material to a temperature between 10°C and 90°C is provided.
摘要:
Disclosed herein are photocatalytic elements comprising: a first layer comprising a first photocatalytic material; and a second layer comprising a second photocatalytic material; wherein the second layer is disposed on the first layer. Photocatalytic devices incorporating the photocatalytic elements, and method of making and using the photocatalytic elements are also described herein. The first layer may comprise titania or Pt/K2Ti6013 or alkali metal-containing titanates or mixed oxides of tungsten and titanium.
摘要:
Described herein are liquid crystal compositions and derivative mixtures thereof that can allow for the adjustment of their refractive indices by the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
摘要:
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.
摘要:
Described herein are sensor elements for detecting the presence of organic gases, e.g. acetone, comprising a boron doped epsilon phase WO3 or a mixed oxide n-type semiconductor comprising gamma phase WO3 and CeO2 or TiO2.
摘要:
The present invention is aimed at improving the adhesion of a photocatalytic material to a substrate. An embodiment of the present invention relates to a method for making a photocatalytic element comprising: providing a suspension comprising a binder and a photocatalytic material, wherein the weight ratio of the binder to the photocatalytic material is about 0.5 to 2.0 parts binder to about 1 part photocatalytic material; and applying the suspension to a substrate surface.
摘要:
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.
摘要:
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 )(0 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.
摘要翻译:本文公开了二氧化钛光催化剂,二氧化钛光催化组合物及其制备方法。 例如,光催化剂可以由式(X 1-x-y C x N y)表示,其中M,r,x,y在本说明书中定义。 在一些实施方案中,光催化剂可相对于二氧化钛提供优异的光催化活性。 还公开了制备光催化剂的方法。 该方法可以提供用于获得二氧化钛光催化剂的经济技术。
摘要:
Described herein are heterogeneous materials comprising a single phase n-type semiconductor, a second n-type mixed titanate semiconductor, and /or a noble metal. The heterogeneous materials enhance ultraviolet photocatalytic activity.