CuS-WO3 Photochromic Film for Smart Window Applications

SEM image of CuS-WO3 film

Among the transition metal oxides, tungsten trioxide (WO3) has attracted much attention and has been widely studied due to its many interesting structures and defect characteristics. The numerous applications of WO3 optical and electronic devices include electrochromic (EC) smart windows, flat panel displays, tunable EC photonic crystals, and gas sensors. However, its higher band gap energy (2.6-3.6 eV) limits its application. Therefore, the low frequency near infrared light (NIR) cannot be blocked.


Preparation Process of Sprayed WO3 Thin Films

electrochromic thin films picture

Electrochromism (EC) is a phenomenon that induces a reversible optical change (coloration/bleaching) in a material by applying a small electric field. Tungsten oxide (WO3) is the most widely studied electrochromic material due to its outstanding electrochromic (EC) properties. Materials that can continuously and reversibly change color under reversible electrochemical processes are called electrochromic materials, which have been widely used to fabricate light modulation devices. Among these devices, anti-glare car mirrors have been commercialized, and smart windows are currently driving intensive development.


Pure Tungsten Pins Is Used for Probes and Cathode Emission

tungsten pin image

Tungsten pins, also named tungsten needles or tungsten electrodes, are a typical tungsten product with purity of 99.95%. It has a silver-white appearance, a slender structure, a length of 20mm-1000mm, and a diameter of 0.3mm-10mm. Usually, the product is customized. 


3D Printed Collimators for Physical Optics Enables Lower Costs

3D printed collimators image

A collimator, a device used to transform the diverging light or other radiation from a point light source into a parallel beam. Special measurements in spectroscopy and in geometric and physical optics require this kind of collimation.


This ‘Cesium’ Is Not the Other ‘Cesium’! Cesium, A Substance Leaked from the Fukushima Nuclear Accident, Arrived in the Arctic Ocean and Returned to Japan

cesium metal photo

Aoyama Aoyama, a visiting professor at the University of Tsukuba, Japan, recently released the results of his research at an international seminar hosted by Fukushima University. Said that the radioactive substance cesium 137 that entered the ocean in the 2011 Tokyo Electric Power Company’s Fukushima Daiichi nuclear power plant accident arrived on the west coast of the United States and traveled northward, passing by the Bering Sea, the northernmost part of the Pacific Ocean, returns to the northeastern coast of Japan in about 7 to 8 years.


Is Cesium Tungsten Bronze a Radioactive Substance?

cesium tungsten bronze photo

Cesium tungsten bronze is widely used in near-infrared shielding materials due to its excellent absorption performance of infrared and ultraviolet rays, and is used as heat insulation additives for automotive glass, architectural glass, and agricultural greenhouse films.


3D Printing Pure Tungsten Parts in the Medical Industry

3D printed tungsten collimator photo

Tungsten, also known as Wolfram, is a rare metal known for its highest melting point of all elements. In addition to excellent temperature resistance, the material also has strong abrasion resistance and chemical resistance. These good properties make it an ideal material for components that operate at extreme temperatures.


What Is the Best Material for X-ray Collimation – Tungsten Metal or Tungsten Alloy?

tungsten collimator image

A collimator is a device used to transform the divergent light or other radiation from a point light source into a parallel beam, and also is an absorber device used to limit X-rays, gamma rays, or nuclear particle beams to the size and angular spread required for a specific application. Normally, special measurements in spectroscopy and geometric and physical optics require this kind of light collimation.


Why Use Thorium Tungsten Wires as Ion Source?

thorium tungsten wires photo

Many analytical and medical devices are using thorium tungsten wires as ion source. Why use thorium tungsten materials? What about tungsten or neodymium tungsten materials? 


Synthesis of Nanosized Tungsten Trioxide Cauliflowers

tungsten trioxide cauliflowers picture

In recent years, photoelectrochemical (PEC) water splitting has attracted people's attention, and it is considered to have potential applications in solar energy conversion. The effectiveness of solar energy conversion mainly depends on the structure of the photoelectrode. In addition, nanostructured photoelectrodes and surface porosity have additional advantages in in improving the efficiency since they exhibit unique properties of light-harvesting, chemical stability, active surface area, and charge separation.




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