Electromagnetic shielding material and method for producing the same

A method for producing an electromagnetic shielding material, the method comprising:

• preparing a dispersion in which at least dielectric and/or magnetic nanoparticles are dispersed in a liquid medium;
• and
• dispersing in the dispersion a layered material comprising a plurality of layers to create a mixture, each layer having a crystal lattice represented by:
• Mn+1Xn
• wherein M is at least one metal of Group 3, 4, 5, 6, or 7,
• X is a carbon atom, a nitrogen atom, or a combination thereof,
• n is 1, 2, or 3,
• each X is positioned within an octahedral array of M, and
• at least one of two opposing surfaces of said each layer of the plurality of layers has at least one modifier or terminal selected from a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom.

A method for producing an electromagnetic shielding material, the method comprising:

• preparing a liquid matter comprising at least dielectric and/or magnetic precursor ions in a liquid medium;
• and
• disposing in the liquid matter a layered material comprising a plurality of layers to create a mixture, each layer having a crystal lattice represented by:
• Mn+1Xn
• wherein M is at least one metal of Group 3, 4, 5, 6, or 7,
• X is a carbon atom, a nitrogen atom, or a combination thereof,
• n is 1, 2, or 3,
• each X is positioned within an octahedral array of M, and
• at least one of two opposing surfaces of said each layer of the plurality of layers has at least one modifier or terminal selected from a hydroxy group, a fluorine atom, an oxygen atom, and a hydrogen atom;
• and
• precipitating dielectric and/or magnetic nanoparticles by using the precursor ions.