Functionalized nanostructure, methods of manufacture thereof and articles comprising the same

• US 20090264317A1
• Filed: 04/09/2009
• Published: 10/22/2009
• Est. Priority Date: 04/18/2008
• Status: Abandoned Application

• Current Assignee: University Of Massachusetts
• Original Assignee: University Of Massachusetts
• Inventors: Jordan, Brian John, Carter, Kenneth Raymond, Ofir, Yuval, Rotello, Vincent Martin
• Application Number:
  US12/421,259
• Publication Number:
  US 20090264317A1
• Time in Patent Office: Days
• US Class Current: 506/16
• CPC Class Codes: B82Y 10/00 Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: B82Y 40/00 Manufacture or treatment of nanostructures
• CPC Class Codes: G03F 7/0002 Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
• CPC Class Codes: H05K 2201/0257 Nanoparticles inks comprising nanoparticles H05K1/097
• CPC Class Codes: H05K 2203/0108 Male die used for patterning, punching or transferring
• CPC Class Codes: H05K 2203/0522 Using an adhesive pattern
• CPC Class Codes: H05K 3/102 by bonding of conductive powder, i.e. metallic powder H05K3/12 takes precedence
• CPC Class Codes: H05K 3/389 by the use of a coupling agent, e.g. silane
• CPC Class Codes: Y10T 428/24802 Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Abstract

Disclosed is a method comprising disposing a functionalized patternable material on a substrate, wherein the functionalized patternable material comprises a first click chemical moiety; patterning the functionalized patternable material; and reacting the first click chemical moiety with a complementary reactant to form an functionalized patterned surface, the complementary reactant comprising a second click chemical moiety that reacts with the first click chemical moiety; the complementary reactant comprising an functional group.

Claims

1. A method comprising:

disposing a functionalized patternable material on a substrate, wherein the functionalized patternable material comprises a first click chemical moiety;

patterning the functionalized patternable material to form a patterned material; and

reacting the first click chemical moiety with a complementary reactant to form a functionalized patterned surface, the complementary reactant comprising a second click chemical moiety that reacts with the first click chemical moiety;

the complementary reactant comprising a functional group.

2. The method of claim 1, wherein the functionalized patternable material is disposed by spin coating, dip coating, spray coating, layer by layer assembly, drop casting, electrostatic painting, or a combination comprising at least one of the foregoing methods of coating.

3. The method of claim 1, wherein the functionalized patternable material is a polymer precursor that can be cured using electromagnetic radiation.

4. The method of claim 1, wherein the functionalized patternable material comprises a polymer precursor, an organic polymer and/or an inorganic polymer.

5. The method of claim 1, wherein the patterning comprises nanoimprint lithography.

6. The method of claim 5, wherein the nanoimprint lithography comprises thermoplastic nanoimprint lithography, photo-nanoimprint lithography, or a combination comprising at least one of the foregoing methods of nanoimprint lithography.

7. The method of claim 6, wherein the thermoplastic nanoimprint lithography is performed at a temperature that is about 15 to about 50°

C. greater than the flow temperature of the functionalized patternable material.

8. The method of claim 6, wherein the photo-nanoimprint lithography is conducted by using ultraviolet radiation.

9. The method of claim 6, wherein the patterning can be conducted with electron beam lithography, scanning probe lithography, interference lithography, x-ray lithography, proton beam lithography, laser ablation lithography, or a combination comprising at least one of the foregoing methods of lithography.

10. The method of claim 1, further comprising separating the substrate from the patterned material.

11. The method of claim 10, further comprising reacting a complementary reactant to a surface that is opposed to the functionalized patterned surface.

12. An article manufactured by the method of claim 1.

13. A method comprising:

disposing a functionalized patternable material on a substrate, wherein the functionalized patternable material comprises a first click chemical moiety;

patterning the functionalized patternable material to form a patterned material;

separating the substrate from the patterned material;

reacting the patterned material with a first click chemical moiety to form a first functionalized patterned material; and

reacting the functionalized patterned material with a complementary reactant to form a functionalized patterned surface, the complementary reactant comprising a second click chemical moiety that reacts with the first click chemical moiety;

the complementary reactant comprising a functional group.

14. The method of claim 13, wherein the patterning comprises nanoimprint lithography, and wherein the nanoimprint lithography comprises thermoplastic nanoimprint lithography, photo-nanoimprint lithography, or a combination comprising at least one of the foregoing methods of nanoimprint lithography.

15. An article manufactured by the method of claim 13.

16. An article comprising:

a substrate;

a functionalized patterned material disposed upon the substrate;

the functionalized patterned material comprising a first click chemical moiety;

the first click chemical moiety being reacted with a complementary reactant to form a functionalized patterned surface;

the complementary reactant comprising a second click chemical moiety that reacts with the first click chemical moiety;

the complementary reactant comprising a functional group.

17. The article of claim 16, wherein the substrate is electrically conducting, electrically insulating or semi-conducting.

18. The article of claim 16, wherein the substrate comprises silicon, glass, quartz, metal alloys, metal oxides, indium tin oxide, antimony tin oxide, semiconductors, semiconductor alloys, an organic polymer, an inorganic polymer, or a combination comprising at least one of the foregoing substrate materials.

19. The article of claim 16, wherein the first click chemical moiety comprises an alkynyl group.

20. The article of claim 16, wherein the second click chemical moiety comprises an azido group

21. The article of claim 16, wherein the functionalized patternable material is a carbon nanotube, a polymer precursor, a thermoplastic polymer, a blend of thermoplastic polymers, a thermosetting polymer, or a blend of thermoplastic polymers with thermosetting polymers.

22. The article of claim 21, wherein the thermoplastic polymer is a polyacetal, a polyolefin, a polyacrylic, a polycarbonate, a polystyrene, a polyester, a polyamide, a polyamideimide, a polyarylate, a polyarylsulfone, a polyethersulfone, a polyphenylene sulfide, a polyvinyl chloride, a polysulfone, a polyimide, a polyetherimide, a polytetrafluoroethylene, a polyetherketone, a polyether etherketone, a polyether ketone ketone, a polybenzoxazole, a polyphthalide, a polyacetal, a polyanhydride, a polyvinyl ether, a polyvinyl thioether, a polyvinyl alcohol, a polyvinyl ketone, a polyvinyl halide, a polyvinyl nitrile, a polyvinyl ester, a polysulfonate, a polysulfide, a polythioester, a polysulfone, a polysulfonamide, a polyurea, a polyphosphazene, polysiloxane, a fluorinated polymer, or a combination comprising at least one of the foregoing thermoplastic polymers.

23. The article of claim 21, wherein the thermosetting polymer is an epoxy polymer, an unsaturated polyester polymer, a polyimide polymer, a bismaleimide polymer, a bismaleimide triazine polymer, a cyanate ester polymer, a vinyl polymer, a benzoxazine polymer, a benzocyclobutene polymer, an acrylic polymer, an acrylate polymer, a methacrylate polymer, a polyalkyd, a phenol-formaldehyde polymer, a novolac polymer, a resole polymer, a melamine-formaldehyde polymer, a urea-formaldehyde polymer, a polyhydroxymethylfuran, a polyisocyanate, a diallyl phthalate polymer, a triallyl cyanurate polymer, a triallyl isocyanurate polymer, an unsaturated polyesterimide, or a combination comprising at least one of the foregoing thermosetting polymers.

24. The article of claim 16, wherein the functional group is a reactive species, a protein, a nucleic acid, deoxyribonucleic acid, ribonucleic acid, an antibody, an antigen, a metabolite, a receptor, an enzyme, a nanoparticle, a nanocrystal, a nanowire, a nanotube, a biomolecule, a catalyst, a chiral molecule, a dye, a peptide, an oligonucleotide, a chromophore, a fluorophore, a small molecule, a polymer, or a combination comprising at least one of the foregoing functional groups.

25. The article of claim 16, wherein the complementary reactant comprises flavin or fluorescein isothiocyanate.

26. The article of claim 16, wherein the first click chemical moiety or the second click chemical moiety is an azido group, a nitrile group, a conjugated diene group, an epoxide group, a carbonyl group, or an aziridine group.

27. The article of claim 16, wherein the first click chemical moiety and the second click chemical moiety can react with each other through a 1,3-Huisgen dipolar cycloaddition reaction, a Diels-Alder cycloaddition reaction, a Michael addition reaction, a C═

C addition reaction, a nucleophilic ring opening reaction, or a non-Aldol carbonyl reaction.

28. The article of claim 16, wherein the article comprises an array for the analysis of an organic, inorganic or biological analytes.

29. The article of claim 16, wherein the article comprises a sensor, a genome sequencing array, a nucleic acid sensing array, a drug discovery array, a protein sensing array, a peptide array, a non-fouling surface, a low friction surface, an optically active surface, or a lab-on-a-chip sensor.

30. The article of claim 16, wherein the article comprises a surface that comprises a gradient in functional groups.

31. An article comprising:

a patterned material comprising a functionalized patterned surface and a surface that is opposedly disposed to the functionalized patterned surface;

the functionalized patterned surface comprising a first click chemical moiety;

the first click chemical moiety being reacted with a second click chemical moiety;

the second click chemical moiety being part of a complementary reactant.

32. The article of claim 31, wherein the surface that is opposedly disposed to the functionalized patterned surface is patterned.

33. The article of claim 31, wherein the surface that is opposedly disposed to the functionalized patterned surface is reacted with a complementary reactant via click chemistry.