Nanostructure and optical device having nanostructure
View Patent ↗Provided are nanostructures and optical devices having the nanostructures. The nanostructure may include a carbon nanomaterial layer, a nanopattern formed on the carbon nanomaterial layer, and a metal layer formed on a surface of the nanopattern. The nanostructure may be formed in a ring shape, and the metal layer may include a plurality of metal layers formed of different metals.
1. A nanostructure comprising:
a carbon nanomaterial layer;
a nanopattern formed directly on the carbon nanomaterial layer; and
a metal layer coated on a surface of the nanopattern,
wherein the nanopattern comprises a plurality of dot-shaped metal particles arranged in a ring shape.
2. The nanostructure of claim 1 , wherein the nanostructure has the ring shape.
3. The nanostructure of claim 1 , wherein the metal layer connects the dot-shaped metal particles to form the nanostructure in a continuous structure.
4. The nanostructure of claim 1 , wherein the nanopattern comprises Au, Ag, Cu, Cr, Pt, Pd, or an alloy of Au, Ag, Cu, Cr, Pt, Pd.
5. The nanostructure of claim 1 , wherein the metal layer comprises Au, Ag, Cu, Cr, Pt, Pd, or an alloy of Au, Ag, Cu, Cr, Pt, Pd.
6. The nanostructure of claim 1 , wherein the metal layer comprises a plurality of metals.
7. The nanostructures of claim 1 , wherein the metal layer comprises a plurality of metal layers formed of different metals on a surface of the nanopattern.
8. An optical device comprising:
a carbon nanomaterial layer;
a plurality of nanostructures, each of the nanostructures comprising:
a nanopattern formed directly on the carbon nanomaterial layer; and
a metal layer coated on a surface of the nanopattern, wherein the nanopattern comprises a plurality of dot-shaped metal particles arranged in a ring shape, and
a first electrode and a second electrode that contact the carbon nanomaterial layer on which the plurality of nanostructures are formed.
9. The optical device of claim 8 , wherein the carbon nanomaterial layer comprises graphene.
10. The optical device of claim 8 , wherein each of the plurality of nanostructures has the ring shape.
11. The optical device of claim 8 , wherein the metal layer connects the dot-shaped metal particles of each of the plurality of nanopatterns to form each of the plurality of nano structures in a continuous structure.
12. The optical device of claim 8 , wherein each of the plurality of nanopatterns comprises Au, Ag, Cu, Cr, Pt, Pd, or an alloy of Au, Ag, Cu, Cr, Pt, Pd.
13. The nanostructures of claim 8 , wherein the metal layer comprises Au, Ag, Cu, Cr, Pt, Pd, or an alloy of Au, Ag, Cu, Cr, Pt, Pd.
14. The nanostructures of claim 8 , wherein the metal layer comprises a plurality of metal layers formed of different metals on surfaces of the plurality of nanopatterns.