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F-doped cesium tungsten bronze has special optical properties such as photochromism, electrochromism and selective transmission of spectra so that it can be used to produce infrared ultraviolet shielding material for energy conservation in smart buildings. But why doped cesium tungsten bronze has these special optical properties? The special optical properties of cesium tungsten bronze doped with F atoms are due to its special tunnel structure and special carrier transport characteristics. More details, please visit: http://cesium-tungsten-bronze.com/index.html Wherein, the so-called selective transmission…

F-doped cesium tungsten bronze for transparent thermal insulation material has better near-infrared shielding properties than cesium tungsten bronze, which means that the doped cesium tungsten bronze is a better thermal insulation material than cesium tungsten bronze for building energy efficiency. And this is because the tungsten bronze doped with fluorine atoms exhibits higher concentration carriers and more excellent conductivity. More details, please visit: http://cesium-tungsten-bronze.com/index.html Certainly, at present, the tungsten bronze that is mainly used to prepare transparent heat insulating materials…

F-doped cesium tungsten bronze for thermal insulation coating, which has higher visible light transmittance and near-infrared shielding performance than undoped cesium tungsten bronze powder (CsxWO3), is dark blue powder obtained by doping cesium tungsten bronze with fluorine atom. More details, please visit: http://cesium-tungsten-bronze.com/index.html For example, some experts have used hydrothermal synthesis to prepare fluorine-doped tungsten bronze (CsxWO3-yFy). The raw materials are cesium carbonate (CsCO3) and sodium tungstate (Na2WO4). The inducer is citric acid, and the fluorine source is sodium fluoride…

Doped tungsten oxide electrochromic film can be prepared by an ion exchange method and a spin coating method. Specifically, PEO, MoWO3 doped tungstic acid sol can be prepared by ion exchange method in sol-gel technique. Then, the film is prepared by spin coating on conductive glass (ITO/glass) and conductive polyester film (ITO/PET) respectively. After heat treatment at different temperatures, organic-inorganic multi-doped nanocomposite electrochromic film can be obtained. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Wherein, some experts have studied the effect of…

Doped WO3 thin film is a nano-composite electrochromic film, which may be used to building glass for energy-saving. Wherein, an organic-inorganic multi-doped tungstic acid sol is prepared by a sol-gel technique. But why must the sol be doped? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Experts have found that the pure tungstic acid sol system produced by ion exchange is extremely unstable, and the tungstic acid turns into a yellow-green gel within twenty minutes. The [WO4]^2-ion produced after passing through the column…

Doped WO3 electrochromic thin film can be prepared by the following steps: preparation of a stable sol and preparation of a WO3 film by using the stable sol which has been subjected to aging treatment as a precursor liquid. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Preparation of Stable Sol and Doped WO3 Electrochromic Film Sodium tungstate and sodium molybdate were respectively disposed in a certain ratio to a standard aqueous solution with a concentration of 0.5M, and uniformly mixed to obtain…

Electrochromism can be referred to the phenomenon that the optical properties of a doped tungsten oxide film undergo a stable and reversible color change under the action of an applied electric field, and its appearance is a reversible change in color and transparency. Wherein, the doped WO3 film is a kind of an inorganic oxide film that can causes electrochromic phenomenon. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html With the development of economy and the improvement of people’s living standards, people are…

Tungsten trioxide film is an important electrochromic film. In recent years, WO3 electrochromic thin film has been well received by scientists in the field of energy-saving building materials, as the electrochromic glass assembled using WO3 film as an electrochromic layer is an environmentally-friendly energy-saving glass with remarkable heat insulation and heat preservation effect. Also, such glass can prevent glare and ultraviolet light. So, what method can WO3 film be prepared by? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Some experts have prepared…

Electrochromic film can be a WO3 film. According to experts, tungsten trioxide electrochromic thin film is the most studied inorganic electrochromic material. So how to prepare WO3 electrochromic film? – By sol dip-coating method. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Preparation of WO3 Electrochromic Thin Film by Sol Dip-coating Method Some experts have prepared a WO3 film on a 2.5cmx5cm ITO glass sheet by a sol dip-coating method. The specific steps are shown as below: Step One: Before coating, the glass…

Tungstic acid for preparing an electrochromic film refers to tungstic acid powder. The tungstic acid powder can be mainly used in the production stage of WO3 sol in the preparation of tungsten oxide electrochromic film. So, how to prepare WO3 sol with tungstic acid? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html WO3 Sol Prepared by Tungstic Acid A certain amount of tungstic acid powder was weighed by an electronic balance, and a certain amount of hydrogen peroxide and a small amount of…