Nano cesium tungsten bronze, also known as Cs0.33WO3, may be applied for producing infrared thermal insulation nano material such as thermal insulation dispersion. And the obtained transparent dispersion may be prepared into heat insulation coating for using in architectural glass to form a thermal insulation film. According to experts, the thin film may block infrared rays, especially near infrared light.
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As you may have known, sunlight can be roughly divided into infrared rays, ultraviolet rays and visible light according to the wavelength. Among them, infrared rays account for 53%, ultraviolet rays account for 3%, and visible light accounts for 44%. And the infrared rays are the sources of "heat". Therefore, under normal circumstances, we need to apply a "protective film" such as tungsten bronze thermal heat insulation film on the ordinary glass without heat insulation performance to block most of the heat in the sunlight. Whether in high-rise office buildings, restaurants, airports, schools, or homes, glass windows and doors are the main source of heat in the summer and the main heat loss in winter. It is a good idea to use a thin layer of cesium tungsten bronze heat-insulation film to save energy consumption and ultimately reduce the cost of electricity.
