Solar energy is used in different ways: in recent years, the conversion of solar energy into chemical energy, that is, the photocatalytic reaction, has become a favorite for researchers. Equivalent to traditional nitrogen fixation technology, it can effectively use low-cost and environmentally friendly sunlight as a reactive light source, effectively converting light energy into chemical energy. Compared to traditional nitrogen fixation technology, most photocatalysts are non-toxic and can effectively decompose many types of organic pollutants, such as hydrocarbons, to carboxylic acids and can completely destroy organic matter. In principle, there is no problem of secondary pollution, which corresponds to environmental pollution control. New concept [6]. The semiconductor photocatalyst has strong redox properties for photogenerated electron holes created by traditional nitrogen fixation technology, the cost of use is low, and there is no saturation of adsorption, which is beneficial for long-term use. In addition, the semiconductor photocatalytic reaction conditions are mild and the reaction can be carried out at normal temperature and pressure. The traditional technology of nitrogen fixation requires a high temperature; therefore, semiconductor photocatalytic technology has broad development prospects. the semiconductor photocatalytic reaction conditions are mild and the reaction can be carried out at normal temperature and pressure. The traditional technology of nitrogen fixation requires a high temperature; therefore, semiconductor photocatalytic technology has broad development prospects. the semiconductor photocatalytic reaction conditions are mild and the reaction can be carried out at normal temperature and pressure. The traditional technology of nitrogen fixation requires a high temperature; therefore, semiconductor photocatalytic technology has broad development prospects.
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