An Overview of Synthesis and Structural Regulation of Magnetic Nanomaterials Prepared by Chemical Coprecipitation

Magnetic nanomaterials are widely used in biosynthesis, catalysis, as electronic and microwave-absorbing materials, and in environmental treatment because of their high specific surface area, strong magnetism, chemical stability, and good biocompatibility. The chemical coprecipitation method is widely used for the preparation of magnetic nanomaterials due to its simplicity, low cost, and easily-controlled operating conditions. The magnetic nanomaterials prepared by the chemical coprecipitation method are summarized according to the different compositions, including the basic preparation principles, and the factors affecting their morphology, size, and microstructure. The mechanisms of preparing magnetic nanomaterials by chemical precipitation and the process control factors are emphasized. Finally, the preparation of magnetic nanomaterials by chemical coprecipitation is summarized and prospected.

Automated summary

Magnetic nanomaterials are extensively used in various fields due to their unique properties such as high specific surface area, strong magnetic properties, chemical stability, and good biocompatibility. The chemical coprecipitation method, known for its simplicity, low cost, and controllable operational conditions, is widely adopted for the synthesis of magnetic nanomaterials. This review article summarizes the preparation principles, factors affecting morphology, size, and microstructure, as well as the mechanisms and process control factors of magnetic nanomaterials prepared by the chemical coprecipitation method. Lastly, the future prospects of magnetic nanomaterials prepared by chemical coprecipitation are discussed.