Nano tungsten trioxide can be used as a photocatalytic material, which has the ability to convert light energy into chemical energy under light conditions. Its application in photocatalysis is mainly based on the following characteristics:
Light Absorption Capacity
Nano-tungsten trioxide has light absorption ability in a wide wavelength range, and can absorb visible light and ultraviolet light, so that it can use a wider spectral range for photocatalytic reactions.
Band Structure
The energy band structure of nano-tungsten trioxide makes it have an appropriate energy band position, which enables the generation and separation of photogenerated electron-hole pairs under photoexcitation, thereby promoting the photocatalytic reaction.
Catalytic activity
Nano-tungsten trioxide can catalyze various photocatalytic reactions under light conditions, such as water splitting to produce hydrogen, organic wastewater degradation, carbon dioxide reduction, etc. It has excellent catalytic activity, can promote reaction rate and improve catalytic efficiency.
Photostability
Nano-tungsten trioxide exhibits good photostability in photocatalytic reactions, can maintain its catalytic activity and structural stability, and maintain its catalytic performance under long-term light conditions.
The photoelectrocatalytic performance of nano-tungsten trioxide can be regulated and optimized by controlling its size, morphology, crystal phase and surface modification. In addition, the composite application with other photosensitive materials and the design of nanostructures can also further improve its photocatalytic performance. Nano-tungsten trioxide, as a photoelectrocatalytic material, has broad application prospects in fields such as renewable energy, environmental pollution control, water splitting for hydrogen production, artificial photosynthesis, etc. However, further research and development are required to improve their photoelectric conversion efficiency, stability, and scalability for commercialization and industrialization in practical applications.
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