Ethanol gas sensor can be used to detect ethanol content in drunk driving inspection or industrial production, avoiding traffic accidents or production safety accidents, and has important practical value. In recent years, tungsten oxide with ethanol sensing properties has attracted the attention of researchers and researchers.

Solar control glass is the glass that transmits the total incident radiation energy (total solar heat) through a high percentage of incident light and a low percentage of total incident radiation energy. One way to produce such glass is to deposit coatings containing one or more layers of various materials, especially metal oxides, such as tungsten oxide, on the glass, which are usually of sub-micron thickness.

Conductive thin film electrodes are the basic components of organic light-emitting devices (OLED). Their performance directly affects the light-emitting efficiency of the whole device. Among them, transparent conductive film is a photoelectric material which combines optical transparency and conductivity. Because of its excellent photoelectric properties, transparent conductive film can be widely used in solar cells, LED, TFT, LCD and touch screen display fields.

Typical semiconductor metal oxides such as titanium dioxide and tungsten trioxide have become the most widely studied and applied metal oxides due to their low cost, non-toxic, harmless, stable biological and chemical properties, and light corrosion resistance.