Nano tungsten trioxide has been widely studied over the past few decades. For example, the experts use the tungsten trioxide nanoparticles as the dingal material for producing balcony thermal insulating glass coating, so that the prepared smart coating can exhibit a good heat insulation effect with high transparency, high hardness and many other advantages.
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According to the experts, the balcony thermal insulating glass coating of nano tungsten trioxide has a good shielding effect on ultraviolet rays with a wavelength of 200nm-400nm that is harmful to the human body. At the same time, it also has a certain shielding effect on long-wave and short-wave near-infrared rays. Also, such a coating has high visible light transmittance. Nano lanthanum hexaboride (LaB6) has a very good shielding effect at 200nm-400nm (ultraviolet) and 800nm-1300nm (short-wave near-infrared) without absorbing too much visible light. And nano tin antimony oxide (ATO) has a good shielding effect between 1300nm-2500nm (long-wave near-infrared). In this regard, the experts said that the above-mentioned three materials can be perfectly composed to achieve the purpose of shielding all ultraviolet and near-infrared rays with high visible light transmittance.
