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Views: 66 Author: Site Editor Publish Time: 2022-03-09 Origin: Site
Nanomaterials are materials with sizes between 0.1 and 100 nanometers in at least one dimension (e.g., length (x), width (y), height (z)), such as graphene, fullerene C60, carbon nanotubes, silver nanowire, silicon dioxide nanowire, molybdenum disulfide, etc.
Nanomaterials are divided into zero-dimensional, one-dimensional and two-dimensional nanomaterials.
Each dimension (x, y, z) is between 0.1 and 100 nanomaterials are zero dimensional nanomaterials such as fullerenes C60 and C70.
In other words, no dimension is larger than 100 nanometers or smaller than 1 nanometers.
The diameter of the C60 molecule is about 7.1 angstroms (1 angstrom = 10-10 meters, i.e. 10 billionths of a meter), so it is a zero-venomic material because each dimension is between 0.1 and 100 nanometers.
One-dimensional nanomaterials are called one-dimensional nanomaterials if the size of one of the three dimensions is not between 0.1 and 100nm. For example, one dimension (length) of silver nanowire and silicon dioxide nanowire is larger than 100nm, and the other two dimensions are between 0.1-100nm. Therefore, nanowire and carbon nanotube are one-dimensional nanomaterials.
Materials with two of the three dimensions not between 0.1 and 100nm in size are called two-dimensional nanomaterials. Graphene, for example, has two dimensions (such as length and width) larger than 100nm, while the other dimension (thickness or height) is between 0.1-100nm. Therefore, graphene and molybdenum disulfide are two-dimensional vinamite materials.
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