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Tungsten alloy collimator has high density and excellent X-ray absorption ability so that it can be used in X ray detector, thereby absorbing scattered radiation and exerting precise alignment performance for obtaining high-resolution images. More details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html According to the experts, in pre-molecular imaging, a collimator is used to direct radiation emitted by the subject onto a X ray detector, and to minimize the number of stray photons. Traditionally, tungsten has been used to make pinhole collimators. With…

Yellow tungsten oxide titanium dioxide composite catalyst is a new type of non-toxic photocatalyst of high efficiency, which can be prepared into powder coating or other styles of green materials, for applications in decontamination and purification of various environments. Well, how to prepare tungsten oxide titanium dioxide composite catalyst? More details, please visit: http://tungsten-oxide.com/index.html A Preparation Method of Yellow Tungsten Oxide Titanium Dioxide Composite Catalyst Step One: Add tetrabutyl titanate to the mixed solution of absolute ethanol and glacial acetic…

When it comes to the phenomenon of electrochromism, many people think of yellow tungsten oxide film (WO3 film) – an earliest and most studied inorganic electrochromic film material. Well, do you know what the electrochromic mechanism of crystalline WO3 film is? And what is the electrochromic mechanism of amorphous WO3 film? More details, please visit: http://tungsten-oxide.com/index.html Some experts have studied the coloring process of amorphous and crystalline yellow tungsten oxide film films under different voltages through ellipsometry, and explained the…

Yellow tungsten oxide nanorods for application in electrochromic film are WO3 nanorods that can be synthesized by solvothermal method. For example, some experts have synthesized monodisperse tungsten oxide nanorods by solvothermal method. Wherein, the experts prepared tungsten oxide nanorods of different size by adjusting the concentration of oleylamine in the precursor, and the size of the nanorods increased from 38nm x 3.2nm to 89nm x 4.5nm. Then, the WO3 nanorods electrochromic film was constructed by heat treatment at a certain…

It is reported that some experts have prepared yellow tungsten oxide nanofibers (WO3 nanofibers) via electrostatic spinning with an average diameter of about 200nm. Wherein, WO3 nanofibers consist of a large amount of tungsten trioxide nano particles. These experts also studied the gas sensitivity characteristics of WO3 nanofibers-based gas sensors to H2S. More details, please visit: http://tungsten-oxide.com/index.html The results showed that when the working temperature is 150 °C, the sensor’s response to H2S gas with a volume fraction of 2…

Yellow tungsten oxide, or tungsten trioxide or WO3, is often applied to NOx gas sensor in form of a thin film. For example, some experts have deposited WO3 thin films by reactive RF sputtering onto low-cost glass substrates as gas sensitive coating. More details, please visit: http://tungsten-oxide.com/index.html And the experts have investigated the properties of the grown films by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), secondary ion mass spectrometry (SIMS) in order to characterize their structure, composition, surface chemistry.…

Ferroelectric yellow tungsten oxide is also called ferroelectric tungsten trioxide. It has been reported that tungsten trioxide has long been recognized as a ferroelectric material with a ferroelectric phase transition temperature of -40 °C. And ferroelectric behavior is an extremely important electrical property of tungsten trioxide materials. More details, please visit: http://tungsten-oxide.com/index.html According to the experts, earlier inconclusive evidence for ferroelectricity in the structure of a low-temperature form of tungsten trioxide, ε-WO3, is confirmed. And ε-WO3 is the only form…

Nanoporous yellow tungsten oxide film has become well-known because nanoporous yellow tungsten oxide has photoelectrochemical characteristics. And the nanoporous yellow tungsten oxide film is often more commonly known as nanoporous tungsten trioxide film or nanoporous WO3 film. Some experts have studied the photoelectrochemical properties of highly transparent nanoporous WO3 films. More details, please visit: http://tungsten-oxide.com/index.html The results showed that the photocurrent versus excitation wavelength spectra of these photoelectrodes exhibit a maximum close to 400 nm and a significant photoresponse to…

Yellow tungsten oxide, which is also known as tungsten trioxide or WO3, is an n-type semiconductor material with excellent performance and wide use. For example, yellow tungsten oxide can be used as a photocatalyst that has broad application prospects in photolysis of water and degradation of organic and inorganic pollutants in the atmosphere and water. More details, please visit: http://tungsten-oxide.com/index.html According to reports, although yellow tungsten oxide has lower light energy conversion efficiency than titanium dioxide, high-purity yellow tungsten oxide…

Yellow tungsten oxide, which is also called tungsten trioxide or WO3, is developed as a photoanode to produce photoelectrochemical cell for solar energy conversion. More details, please visit: http://tungsten-oxide.com/index.html According to the researchers, the photoelectrochemical cell has acquired popularity among researchers in the past years, mainly because of its possible use in solar energy conversion. The major problem at present is to find a semiconductor electrode with an optical band gap small enough to allow it to absorb a reasonably…