Due to its unique physicochemical properties, it is widely applied in many high-tech fields.

1. Characteristics

1) Crystal structure and redox properties.

2) Semiconductor and optical properties.

3) Thermal stability and mechanical properties

4) Controllable electrical properties, addition of WMo, etc. can enhance electrical conductivity and thermal stability, or combined with ITO and ZnO can enhance photoelectric properties.

2. Main Applications

1) Transparent conductive film - used in displays, solar cells, etc. to balance high light transparency with moderate conductivity.

2) Suitable for atmosphere sensors and environmental monitoring.

3) Smart windows and electrochromic elements

Utilizing its redox properties, it can adjust light transmittance and be applied to energy-saving architectural and automotive glass.

4) Non-refrigerant infrared detectors suitable for infrared focal plane arrays.

5) Lithium ion and zinc ion batteries - as cathode materials.

6) Catalyst and energy conversion

Reactions such as CO-tantalum photoreduction, electrolytic water oxidation, etc.

7) Super capacitors