Cesium tungsten oxide for producing building glass thermal insulating coating is mainly Cs0.33WO3 nano particles. These near-infrared absorbing particles, as a dingal solar control material, have been investigated to soften the direct heat on skins and reduce the electric load of air conditioning.
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You know, sunlight consists of ultraviolet light in wavelength range of 280nm-380nm, visible light in the wavelength range of 380nm-780nm, near infrared light in the wavelength range of 780nm-2500nm and middle infrared light in the wavelength range of 2500-4000nm. And the near infrared light occupies a great part of the spectrum to radiate an uncomfortable heat at high intensity. Therefore, building glass thermal insulating coating of cesium tungsten oxide that shields near-infrared selectively have been developed to reduce unwanted heat penetration into our offices, sunrooms, bedrooms, bathrooms, living rooms, dining rooms, and balconies. Also, it keeps us comfortable to enjoy the sunbath without glare.
