Nano cesium tungsten bronze is applied to prepare study heat insulating glass coating for optimum performance such as high shielding performance of near-infrared rays and high transparency. Therefore, such smart coating is more and more widely applied to building glasses. Among them, cesium tungsten bronze is a kind of tungsten bronze material with hexagonal structure. This is because the radius of Cs+ ion is slightly larger than the size of the hexagonal tungsten bronze structure tunnel.
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As there are hexagonal tunnels, five-way tunnels and three-way tunnels in hexagonal structure of the tungsten bronze structure, it is possible to simultaneously inject a variety of ions, such as RbxCsyWO3. Among them, Rb and Cs occupy the hexagonal tunnel void at the same time, and small radius ions can enter the triangular void to form LiyKxWO3 or HyAxWO3 (A=K, Rb and Cs). Therefore, there are many types of hexagonal tungsten bronze, and their performances are rich and varied.
