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Thermochromic Ultrafine Nano VO2 powder for smart window

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Some nanomaterials for Thermochromic Application

Thermochromism refers to the phenomenon where a material undergoes color changes under temperature changes. This change is usually caused by changes in the electronic or molecular structure of the material. Its application principle mainly involves t...

[ 01/02] Some nanomaterials for Thermochromic Application
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Thermochromic Ultrafine Nano VO2 powder for smart window

Nano VO2 intelligent temperature control material can automatically adjust the transmission and reflection characteristics of light wave with the change of environment temperature, so it can be used as intelligent window glass for indoor temperature regulation and building energy saving.

product origin:
China
item no.:
P501
shipping port:
Guangzhou,Beijing,Shanghai
color:
black
lead time:
in stock
payment:
T/T, Paypal, Western Union

pPoduct Details

A reliable supplier and manufacturer of nano VO2 powder Vanadium dioxide in china.

Particle size 100-200nm, 99.9%.

We can provide to you SEM, XRD, COA, packing of the material. please fell free to contact us.

Every order that we process reflects the care and quality that has been the cornerstone of our continued growth.

Nano VO2 powder Vanadium dioxide material exhibits a unique reversible phase transition of metal insulator, which will lead to sudden changes in the electrical, magnetic and optical properties of VO2, such as the sudden changes in its resistivity and infrared transmittance during the phase transition. Therefore, it has a great prospect in phase transition storage and "smart window" applications.But the critical temperature of this phase transition, at 68 degrees, is still relatively high for practical use. Therefore, it has been a hot research topic to regulate the phase transition process of vanadium dioxide and reduce the phase transition temperature.

Based on the continuous polymorphic phase transition of vanadium dioxide driven by hydrogen atom doping, researchers at the university of science and technology of China (ustc) realized the electric field-induced three-state phase transition process based on solid electrolyte in VO2 thin films.The results show that electron doped concentration (hydrogen doped concentration) in VO2 can be reversibly regulated by applying very small positive and negative bias at room temperature, thus achieving phase transition between electron-doped metal state and electron-doped insulated state.

The electron-doped VO2 film modulates 26.5 percent of the infrared light in the solar spectrum and has a transmittance of more than 70 percent.

This result surpasses the previous experimental results of thermochromic and electrochromic smart Windows, and even breaks through the theoretical limit of infrared control ability of traditional thermochromic smart Windows, and greatly improves the application possibility of "smart Windows" based on vanadium dioxide. An invention patent has been applied.

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Nano VO2 powder Ultrafine Nano VO2 Thermochromic Nano VO2 powder

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Pure Monoclinic Phase Vanadium Dioxide Powder M-Phase VO2 Nano Particle

Pure Monoclinic Phase Vanadium Dioxide Powder is supplied by Hongwu Nano with the size of 100-200nm. M-Phase VO2 Nano Particle is a good metal oxide with phase transition properties. Tungsten doped vanadium dioxide nano powder can be customized also.

Nanopowder stock 1/1.5/2%W Doped VO2, Tungsten doped vanadium dioxide nanoparticles

The metal-semiconductor phase transition temperature of vanadium dioxide can be reduced to room temperature or lower by tungsten doping. Tungsten-doped vanadium dioxide nanoparticles blend coating can show thermochromic properties at room temperature. Its potential application value includes dimming film of buildings, thermistor materials, photoelectric switching materials, infrared imaging elements.

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Vanadium dioxide (VO2) is the most widely studied and applicated inorganic thermochromic material. Pure Phrase(M-VO2) vanadium dioxide phase transition temperature is 68℃. By doping tungsten, the phase transition temperature can be reduced to room temperature near 20℃. Buy the material now, please contact us.

Nano Vanadium Dioxide VO2 Powder Used in Thermistor

Hongwu Nano has a stable production and supply of monoclinic phase nano vanadium dioxide(VO2) powder with good quality and competitive price for small scale and mass production. Also tungsten doped vanadium(IV) oxide (W-VO2) powders are also available with adjustable phase-transition temperature.

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BUSINESS SCOPE Since its inception in 2002, Hongwu Enterprise Group has enjoyed over 2 decades of focusing on manufacturing, research, development and processing of inorganic nanoparticles, nanopowders, nano dispersions and nanocomposite. Nanomaterials involved metals, oxides, compounds, carbon nanotubes, nanowires, etc. The company is I...