| abstract |
The present invention relates to a method for producing hematite iron oxide having various nanostructures, comprising the steps of: mixing iron chloride and caffeine in a solvent and magnetic stirring to obtain a mixed solution; and hydrothermally synthesizing the mixed solution, According to the present invention, caffeine can be used in various solvents to form various types of hematite iron oxide (such as grape, cube, dumbbell, and microsphere) α-Fe 2 O 3 ) Super structure can be synthesized, and the shape can be controlled variously through a simple one-step synthesis process without using a growth inducer or size selection process. The produced hematite iron oxide Due to the anisotropy of structure and shape, it has a high coercive force at room temperature. In addition, the hematite iron oxide nanoparticles (α-Fe 2 O 3 ) nanoparticles prepared according to the present invention have peroxidase mimetic activity and are capable of substituting for natural enzymes, and they are various in biological or biochemical fields . |