光催化纳米材料的微生物法制备及其研究进展

Photocatalytic nanomaterials are nanomaterials that can directly convert solar energy into chemical energy for catalysis. Due to the property of directly utilizing the solar energy, photocatalytic nanomaterials have become the most promising type of material to alleviate energy shortages and environmental pollution. There are various preparation methods for photocatalytic nanomaterials. Among them, the microbial preparation method is to synthesize photocatalytic nanomaterials through microbial growth and metabolism. Owing to these advantages including the short microbial growth cycle, simple reaction conditions, no secondary pollution, energy saving, environmental protection, etc, microbial synthesis has become a green preparation method with great development potential. Researchers have conducted a lot of research and exploration on it. Researchers have conducted a lot of research and exploration on this. Based on the research literature on the preparation of photocatalytic nanomaterials by microorganisms in the past ten years, in this article, various nanophotocatalytic materials synthesized by microbial method are introduced, including elemental metals, chalcogen compounds, metal oxides, composites materials and others. The microbial preparation process and mechanism of the above various photocatalytic nanomaterials are mainly discribed. The photocatalytic utility and photocatalytic mechanism of photocatalytic nanomaterials are introduced. Finally, the development prospects of photocatalytic technology and microbial preparation methods are forecasted.