Cesium tungsten oxide powder may be applied for heat insulating window glass. As you may have known, the visible light region (380-780nm) and the near-infrared light region (780-2500nm) concentrate most of the energy of sunlight. And the near-infrared light has a significant thermal effect, which may cause sunburn in human skin. Also, it is easy to cause the indoor temperature to rise, resulting in energy consumption of the air conditioner. Therefore, the window glass should shield the near-infrared light as much as possible while keeping the visible light.
In recent years, the exploration of new environmentally-friendly thermal insulation materials has always been the goal pursued by researchers. Functional nanopowder and dingal thin film materials that has high visible light transmittance and can effectively absorb or reflect near-infrared light, such as cesium tungsten oxide nanopowder, has a very broad application prospect in green building energy conservation and heat insulation of automotive glass.
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