F-doped cesium tungsten bronze may be used to prepare an environmentally-friendly transparent thermal insulation film, which is also a transparent conductive film. In this regard, experts say that the square resistance can not only indirectly characterize the thickness of the conductive film, but also characterize the permeability of the infrared spectrum. And it is generally considered that in a transparent conductive film, the lower the square resistance, the better the shielding property against infrared rays. Conversely, the higher the square resistance, the worse the shielding property to infrared light.
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That is to say, for the building industry, the smaller the measured square resistance value, the more energy-saving the building material is. It means that the square resistance has an important role in the building materials industry. In addition, what should be said is that the square resistance has a characteristic: Values of square resistance of any size of square are the same. Regardless of the side length of 1 meter or 0.1 meters, their square resistance is the same. In other words, the value of the square resistance has nothing to do with the sample size of the transparent conductive film of F-doping cesium tungsten bronze.
