Nanoparticle array comprising distributed nanoparticles

Patent metadata

Field	Value
Publication number	US-9540235-B2
Application number	US-201213422741-A
Country	US
Kind code	B2
Filing date	Mar 16, 2012
Priority date	Mar 18, 2011
Publication date	Jan 10, 2017
Grant date	Jan 10, 2017

Abstract

There is set forth herein a method for providing a nanoparticle array. A nanoparticle network can be provided by nanoparticles combined with surfactant micelle chains. The nanoparticle network can be provided by distributing metal nanoparticles in a surfactant solution and agitating the surfactant solution comprising the nanoparticles to form a gel comprising the nanoparticle network which can be characterized by a distributed array of nanoparticles combined with surfactant micelle chains within a fluid. The gel can comprise a fluid in a continuous phase and the nanoparticles in a discontinuous phase. Apparatus having arrays of nanoparticles are also set forth herein.

First claim

The invention claimed is:

1. A method comprising:
providing a solution comprising surfactant micelles, the solution having nanoparticles therein; and
agitating the solution to form a gel comprising a nanoparticle network characterized by a plurality of nanoparticles combined with surfactant micelle chains so that the nanoparticle network maintains a distribution of nanoparticles, wherein nanoparticles of the plurality of nanoparticles include elemental metal.

2. The method of claim 1 , wherein the method includes transferring the nanoparticle network to a structural body.

3. The method of claim 1 , wherein the method includes transferring the nanoparticle network to a structural body provided by an Si/SiO 2 wafer.

4. The method of claim 1 , wherein the method includes transferring the nanoparticle network to a flexible structural body.

5. The method of claim 1 , wherein the method includes transferring the nanoparticle network to a light transmissive structural body.

6. The method of claim 1 , wherein the method includes transferring the nanoparticle network to a flexible and light transmissive structural body.

7. The method of claim 1 , wherein the method includes using silver (Ag) nanoparticles, gold (Au) nanoparticles and aluminum (Al) metal nanoparticles.

8. The method of claim 1 , wherein the method includes using nanoparticles comprising first and second different shapes.

9. The method of claim 1 , wherein nanoparticles of the plurality of nanoparticles include a first species of nanoparticles characterized by a first shape, first material, first diameter and first concentration, and wherein nanoparticles of the plurality of nanoparticles include a second species of nanoparticles characterized by a second shape, second material, second diameter, and second concentration.

10. The method of claim 1 , wherein nanoparticles of the plurality of nanoparticles include first species, second species, third species, and fourth species of nanoparticles, the first species being spherical metal nanoparticles of a first diameter, the second species being spherical metal nanoparticles of a second diameter, the third species being rod-like metal nanoparticles of a first aspect ratio, the fourth species being rod-like metal nanoparticles of a second aspect ratio.

11. The method of claim 10 , wherein the first species has a concentration of between 1.0 and 5.0 ppm, wherein the second species has a concentration of between 8.0 and 17.0 ppm, wherein the third species has a concentration of between about 4.0 and about 9.0 ppm and wherein the third species has a concentration of between 4.0 and 9.0 ppm.

12. The method of claim 1 , wherein nanoparticles of the plurality of nanoparticles include core shell metal nanoparticles.

13. The method of claim 1 , wherein the nanoparticles of the plurality of nanoparticles include elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu).

14. The method of claim 1 , wherein first nanoparticles of the plurality of nanoparticles include a first elemental metal, the first elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein second nanoparticles of the plurality of nanoparticles include a second elemental metal, the second elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), the second elemental being different than the first elemental metal.

15. The method of claim 1 , wherein first nanoparticles of the plurality of nanoparticles include a first elemental metal, the first elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein second nanoparticles of the plurality of nanoparticles include a second elemental metal, the second elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein third nanoparticles of the plurality of nanoparticles include a third elemental metal, the third elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein the first elemental metal, the second elemental metal and third elemental metal are different elemental metals.

16. A method comprising:
providing a solution comprising surfactant micelles, the solution having nanoparticles therein; and
agitating the solution to form a gel comprising a nanoparticle network characterized by a plurality of nanoparticles, wherein the method includes using silver (Ag) nanoparticles, gold (Au) nanoparticles and aluminum (Al) nanoparticles, wherein the nanoparticle network maintains a distribution of nanoparticles of the plurality of nanoparticles.

17. A method comprising:
providing a solution comprising surfactant micelles, the solution having nanoparticles therein; and
agitating the solution to form a gel comprising a metal nanoparticle network characterized by a plurality of metal nanoparticles, wherein the metal nanoparticle network maintains a distribution of metal nanoparticles of the plurality of metal nanoparticles, and wherein metal nanoparticles of the plurality of the metal nanoparticles include elemental metal.

18. The method of claim 17 , wherein metal nanoparticles of the plurality of metal nanoparticles include core shell metal nanoparticles.

19. The method of claim 17 , wherein metal nanoparticles of the plurality of metal nanoparticles include elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu).

20. The method of claim 17 , wherein first metal nanoparticles of the plurality of metal nanoparticles include a first elemental metal, the first elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein second metal nanoparticles of the plurality of metal nanoparticles include a second elemental metal, the second elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), the second elemental being different than the first elemental metal.

21. The method of claim 17 , wherein first metal nanoparticles of the plurality of metal nanoparticles include a first elemental metal, the first elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein second metal nanoparticles of the plurality of metal nanoparticles include a second elemental metal, the second elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein third metal nanoparticles of the plurality of metal nanoparticles include a third elemental metal, the third elemental metal being an elemental metal selected from the group consisting of: silver (Ag), gold (Au), aluminum (Al) and copper (Cu), wherein the first elemental metal, the second elemental metal and third elemental metal are different elemental metals.

22. The method of claim 1 , wherein the method includes applying heat to break down the nanoparticle network.

23. The method of claim 1 , wherein the method includes transferring the nanoparticle network to a structural body provided by a wafer.

24. A me

Assignees

• Sureshkumar Radhakrishna
• Cong Tao
• Wani Satvik
• Univ Syracuse

Inventors

• Sureshkumar Radhakrishna
• Cong Tao
• Wani Satvik

Classifications

• B01J13/006

  by precipitation, coagulation, hydrolyse coacervation · CPC title

• B01J13/0069

  Post treatment · CPC title

• B01J13/0052

  Preparation of gels · CPC title

• B82Y30/00 Primary

  Nanotechnology for materials or surface science, e.g. nanocomposites · CPC title

• B82Y40/00

  Manufacture or treatment of nanostructures · CPC title