In the cutting-edge field of materials science, tungsten oxide thin films are gradually emerging as a focus of attention for many researchers due to their unique and outstanding properties. This seemingly ordinary thin film material actually harbors tremendous potential and has demonstrated remarkable application prospects in numerous fields.

The hydrothermal method is a commonly used technique for synthesizing tungsten disulfide (WS₂) nanomaterials. Due to its simplicity, low cost, and ability to effectively control the morphology and size of the resulting products, it has gained widespread application in the field of materials science in recent years.

The sol-gel method is a classic approach for preparing nanomaterials through solution-based chemical reactions. It is valued for its ability to achieve molecular-level uniform mixing and control the microstructure and morphology of the resulting products, offering unique advantages in the synthesis of tungsten disulfide (WS₂) nanomaterials.

In today's era of rapid technological development, optoelectronic devices, as a crucial component of modern information technology, are continuously driving innovative changes in fields such as communication, display, and sensing. Among numerous materials used in optoelectronic devices, tungsten oxide has gradually emerged as a "new favorite" in the eyes of researchers and engineers due to its unique physical and chemical properties.