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Nano Yellow Tungsten Oxide

Nano yellow tungsten oxide is nano tungsten trioxide (nano-WO3) that has the characteristics of large specific surface area, high surface energy and strong surface adsorption. It is one of the most promising n-type semiconductor materials following nano-TiO2.

WO3 has a low band gap energy and excellent catalytic activity in the visible range of wavelengths below 500 nm. Therefore, WO3 has applications in organic dye degradation and sewage treatment.nano-yellow-tungsten-oxide-picture
In addition, WO3 has unique gas sensitivity on various gases, especially those gases that cause certain hazards on environment and human, such as NOx, H2S and NH3. Therefore, WO3 can be used as gas sensor or electrochromic material.

As a kind of dingal material with excellent performance, the particle and morphology of nano-WO3 depend greatly on the choice of producing methods. Compared with traditional solid phase method and sol-gel method, the appearance of hydrothermal synthesis method provides a new way for the preparation of nano-WO3.

More details, please visit:
http://www.tungsten-powder.com/Yellow-Tungsten-Oxide.html

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