The application of bismuth trioxide in the field of optoelectronic materials is mainly manifested in the following aspects:

1. Application of Bismuth trioxide-Based Glass

Bismuth oxide-based glass, due to its excellent optical properties such as high refractive index, infrared transmission, and nonlinear optical properties, is highly attractive for materials applications in optoelectronic devices and optical fiber transmission. In these materials, bismuth oxide is used as an additive in significant amounts, making it an important application direction for bismuth oxide.

2. Application of Bismuth Oxyhalides (BiOX, X = Cl, Br, I, F)

Bismuth oxyhalides are a new type of semiconductor photocatalytic material. Compared to TiO2, their unique layered structure and adjustable bandgap width make them exhibit superior photocatalytic performance. Bismuth oxyhalides have great potential applications in optoelectronics, catalysis, and energy storage.

3. Application of Bismuth-Based Optoelectronic Materials

Bismuth-based optoelectronic materials have been widely researched and applied in chemical sensors. These materials have unique electronic structures, crystal structures, and excellent visible light responsiveness, and their applications in chemical sensors have received significant attention in recent years.
In summary, the main applications of bismuth trioxide in the field of optoelectronic materials include bismuth oxide-based glass for optoelectronic devices and optical fiber transmission, the photocatalytic application of bismuth oxyhalides, and the application of bismuth-based optoelectronic materials in chemical sensors. These application areas demonstrate the diversity and importance of bismuth trioxide in modern technology and industry.