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Tungsten oxide nanometer array can be used to prepare electrochromic film. And the prepared film is an inorganic electrochromic film that has been increasingly used in the production of smart windows. Therefore, the following describes a method for preparing a tungsten trioxide nano array electrochromic film. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Preparation of Tungsten Oxide Nanometer Array Electrochromic Film 1.0 FTO conductive glass was ultrasonically cleaned with acetone, deionized water and ethanol for 10min, and purged with N2 to obtain…

Yellow tungsten oxide can be used to produce electrochromic film. And the prepared thin film can be used in smart windows, including building smart windows and automotive smart windows, providing solutions for building energy efficiency. The following describes a method for preparing a yellow tungsten oxide nano array electrochromic film, comprising the following steps: More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Step one: dissolve white tungstic acid in an aqueous hydrogen peroxide solution and add water to prepare a peroxy tungstic acid…

Nano yellow tungsten oxide can be applied for preparing electrochromic film. In recent years, many people have been working on the preparation of yellow tungsten oxide nano film materials. And the most common preparation methods are electrochemical deposition method, hydrothermal method, magnetron sputtering method, and thermal evaporation deposition method. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html However, these methods all have some disadvantages. For example, the prepared film is composed of disordered random nanomaterials so that some electrochromic materials cannot be utilized…

Nano tungsten trioxide can be used to prepare electrochromic film. WO3 is the most studied inorganic electrochromic material, which has the advantages of pure color, stable chemical properties and strong adhesion to the substrate. However, the conventional WO3 also has the disadvantages of slow transition speed, low coloring efficiency, single color change and short cycle life. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html In this regard, experts said that WO3 nanomaterials can be prepared in combination with nanotechnology to solve the above…

Highly ordered tungsten trioxide nanorods electrochromic film can be prepared by the following preparation method. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html A Preparation Method of Highly Ordered WO3 Nanorods Electrochromic Film Step one: Mix 0-50mL of deionized water and 0-50mL of concentrated hydrochloric acid with a weight percentage of 36.5%-38% to reach a total volume of 50mL mixture, stir at room temperature for 5min, then add 0.2-4g tungsten hexachloride, continue to stir for 5min, then transferred to a 100mL high temperature…

Tungsten trioxide film has nano-clusters, nano-trees or nanowire arrays. Among them, the tungsten trioxide nanometer array electrochromic film has the advantages of large spectral adjustment range, fast response speed and long cycle life. And such thin film can be prepared by the following method. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html A Preparation Method of WO3 Nano Array Electrochromic Film Step one: dissolve white tungstic acid in aqueous hydrogen peroxide solution and add water to prepare a solution of peroxide tungstic acid…

Amorphous tungsten trioxide thin film can form larger structural voids than crystalline tungsten trioxide film with quadrangular tunnels as amorphous WO3 has irregular network structure such as pentagonal tunnels and hexagonal tunnels in addition to quadrilateral tunnels. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html In this regard, experts said that the structure of the amorphous WO3 film is more conducive to the injection and extraction of ions during film operation, which can improve the response rate and discoloration performance of the electrochromic…

Compared with the tungsten trioxide film, the structure and color change response of the Li doping tungsten trioxide film has greatly improved. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Since the 1970s, with the aggravation of the energy crisis, the electrochromic effect has increasingly attracted people’s attention. At that time, the concept of “smart window” proposed by using electrochromic effect has quickly become a hot spot of research. And tungsten trioxide is the earliest and the most studied electrochromic material with the…

In the Ta doped tungsten oxide electrochromic film, the amount of Ta doping affects the spectral modulation ability of the tungsten oxide film. The optical modulation amplitude ΔT of the tungsten oxide film is the difference of transmittance between the colored state and the discolored state. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Experts show that the optical modulation amplitude of the tungsten oxide film after Ta doping is slightly decreased. The ΔT is almost unchanged in the range of 5%-15% of…

Compared with tungsten trioxide film, the coloring efficiency of Ta doped WO3 film is improved. In other words, the electrochromic property of the film is improved, wherein the threshold value of the Ta doping amount is 15%, and excessive doping is not favorable for the film to show high electrochromic efficiency. Coloring efficiency is a parameter that is important for characterizing electrochromic properties. Coloring efficiency refers to the change in optical density caused by the injection of unit charge per…