Preparation method of boron nitride nanosheet-silver nanoparticle composite material

The invention relates to a method for preparing a boron nitride nanosheet-silver nanoparticle composite material by a simple liquid phase reduction method and belongs to the technical field of semiconductor material preparation. The preparation method is characterized by utilizing the liquid phase reduction method to prepare the boron nitride nanosheet-silver nanoparticle composite material. The process is simple, convenient and easy to implement, and low in equipment requirement, the composite material prepared by the method is low in impurity content, and silver nanoparticles generated on the surface layer of the boron nitride nanosheet are small in grain diameter, random in distribution and high in bonding strength with the boron nitride nanosheet. Researches show that the composite material has very good surface plasma resonance effect, can be applied to photoelectric detection technologies, has high surface enhanced Raman scattering activity, and has huge potential application in the field of bioprobes.