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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...
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.
product origin:
Chinaitem no.:
WP501shipping port:
Guangzhou, Shanghaicolor:
blacklead time:
in stock
The metal-semiconductor phase transition temperature of vanadium dioxide can be reduced to room temperature or lower by tungsten doping.
Product:Tungsten-doped vanadium dioxide nanoparticles
Formula:W-VO2
Doped: 1%W, 1.5W%, 2%W, customized
Particle size:5-6um
Purity: ≥99%
Color: Greyish black
Doping method is the main method to reduce the temperature of VO2 phase transition.
By magnetron sputtering,VO2 thin films with resistance varying by two orders of magnitude have been obtained on silicon wafers.The electrical properties of the films were tested. The results show that the phase transition temperature of tungsten doped vanadium dioxide film is lower than that of pure vanadium dioxide film, and the near infrared transmittance of tungsten doped vanadium dioxide film is also reduced.
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