Cs0.32WO3 Applied for Near Infrared Shielding Material

Cs0.32WO3, which is also known as cesium tungsten bronze, is a new type of near-infrared shielding material. It is reported that cesium tungsten bronze nano particles have the best near infrared absorbing ability to make transparent heat insulation coating on glass. Also, cesium tungsten bronze nanoparticles may be prepared into PVB heat insulation films or coating glasses for applying to buildings such as sunrooms, hotels and exhibition halls.

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Then, what are the features of Cs0.32WO3 for preparation of near infrared shielding material? Uniform particle size, high crystallinity. Easily dispersed in polar and non-polar solvent. Excellent electrical and optical properties with the near infrared blocking rate up to 95% and visible light transmittance about 70%. Good absorption for far infrared region. Good thermal insulation performance. In a word, it is believed that Cs0.32WO3 is promising for applying in fields of buildings and automobiles as smart windows.

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