2018 Volume 26 Pages 41-45
In this research, the synthesis of tungsten-based infrared shielding materials such as tungsten bronze and tungsten sub-oxide was carried out by an environment-friendly soft chemical process. The nano- and microstructure was also controlled in order to improve their infrared shielding functionality. Furthermore, their composites with photocatalyst nanoparticles were also prepared to realize the multifunctionality of photocatalytic materials. Also the photocatalyst thin films were synthesized by using the functional composite particle materials. It is expected that the multi-functionality consists of visible light transparency, ultraviolet rays/infrared light shielding and environmental purification effects can be realized. The concept of the present research can be applied to various photocatalyst materials. The photocatalytic composite materials imparted with infrared light shielding functionality show great potential on novel building material applications, and are expected to be applied as multifunctional smart window materials.