Nano cesium tungsten bronze is a novel near-infrared (NIR) shielding material, so, it is believed that cesium tungsten bronze nanoparticles are best dingal particles for production of kitchen thermal insulating glass coating. And cesium tungsten bronze CsxWO3 coating film exhibits high transparency and broad waveband absorption of 800 to 1,500?nm.
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Lately, it is reported that cesium tungsten bronze powder could be prepared by a water controlled-release solvothermal process with CsOH and WCl6 as raw materials. While these raw materials are not environmentally friendly because of the easy hydrolysis of WCl6 and the volatilization of HCl. To overcome this drawback, the cesium-doped tungsten bronze was successfully synthesized through the hydrothermal process. The products could shield the NIR light with wavelength of more than 1000?nm, and this excellent heat shielding property implies that the CsxWO3 might be the potential candidate for the smart window coated materials.
