Yellow tungsten oxide is also well-known as a new radiation shielding material. You know, with the rapid development of science and technology and the increasingly prominent environmental and energy issues, nuclear science and technology have been widely used in various fields such as national defense, industry, environment, and energy, bringing huge economic and social benefits. While it also increases people's exposure to various types of radiation. Therefore, how to minimize the various hazards of radiation is a very important and urgent work.

The photocatalysis of WO3-ZnO composite film is attracting much attention. According to the experts, WO3 is an important non-toxic semiconductor material with a narrow band gap (2.4-2.8eV) that can be used as a catalyst in the photocatalytic reaction for the catalytic degradation of organic substances in sewage. So, the preparation of WO3-ZnO composite film has become a major research hotspot, and its photocatalytic performance has paid much attention.

As a photocatalyst, WO3-TiO2 composite film is an emerging binary semiconductor composite material that can transport and separate photo-generated carriers between semiconductors with different energy levels, prolong the carrier lifetime, thereby improving quantum efficiency.

WO3 is a photochromic material, so WO3-TiO2-ZnO composite film is also a photochromic material with excellent photochromic properties. Well, do you know how to prepare WO3-TiO2-ZnO composite film?