Methods, devices and compositions for depositing and orienting nanostructures
View Patent ↗Methods and systems for depositing nanomaterials onto a receiving substrate and optionally for depositing those materials in a desired orientation, that comprise providing nanomaterials on a transfer substrate and contacting the nanomaterials with an adherent material disposed upon a surface or portions of a surface of a receiving substrate. Orientation is optionally provided by moving the transfer and receiving substrates relative to each other during the transfer process.
1. An article, comprising:
a substrate having a first surface;
a polymeric adherent material disposed on the first surface; and
a plurality of nanostructures each comprising a major axis, disposed on the first surface, and adhered to the adherent material, the plurality of nanostructures being substantially oriented so that their individual lengths are disposed substantially parallel to the first surface of the substrate along a common axis of the substrate.
2. The article of claim 1 , wherein at least 50% of the plurality of nanostructures are oriented to within 30° of the common axis.
3. The article of claim 1 , wherein at least 50% of the plurality of nanostructures are oriented to within 10° of the common axis.
4. The article of claim 1 , wherein at least 50% of the plurality of nanostructures are oriented to within 5° of the common axis.
5. The article of claim 1 , wherein at least 60% of the plurality of nanostructures are oriented to within 30° of the common axis.
6. The article of claim 1 , wherein at least 60% of the plurality of nanostructures are oriented to within 10° of the common axis.
7. The article of claim 1 , wherein at least 60% of the plurality of nanostructures are oriented to within 5° of the common axis.
8. The article of claim 1 , wherein at least 80% of the plurality of nanostructures are oriented to within 30° of the common axis.
9. The article of claim 1 , wherein at least 80% of the plurality of nanostructures are oriented to within 10° of the common axis.
10. The article of claim 1 , wherein at least 80% of the plurality of nanostructures are oriented to within 5° of the common axis.
11. The article of claim 1 , wherein at least 90% of the plurality of nanostructures are oriented to within 30° of the common axis.
12. The article of claim 1 , wherein at least 90% of the plurality of nanostructures are oriented to within 10° of the common axis.
13. The article of claim 1 , wherein at least 90% of the plurality of nanostructures are oriented to within 5° of the common axis.
14. The article of claim 1 , wherein the polymeric adherent material comprises a resist.
15. The article of claim 14 , wherein the resist comprises a photoresist.
16. The article of claim 1 , wherein the adherent material and the nanostructures adhered to the adherent material are disposed upon selected portions of the first surface.
17. A composition, comprising:
a layer of adherent material; and
a plurality of substantially aligned elongated nanostructures adhered to a surface of the adherent layer, wherein the individual lengths of the nanostructures are disposed substantially parallel to the surface of the adherent layer along a common axis of the adherent layer.
18. The composition of claim 17 , wherein at least 50% of the plurality of nanostructures are oriented to within 30° of a common axis.
19. The composition of claim 17 , wherein at least 50% of the plurality of nanostructures are oriented to within 10° of a common axis.
20. The article of claim 17 , wherein at least 50% of the plurality of nanostructures are oriented to within 5° of a common axis.
21. The article of claim 17 , wherein at least 60% of the plurality of nanostructures are oriented to within 30° of a common axis.
22. The article of claim 17 , wherein at least 60% of the plurality of nanostructures are oriented to within 10° of a common axis.
23. The article of claim 17 , wherein at least 60% of the plurality of nanostructures are oriented to within 5° of a common axis.
24. The article of claim 17 , wherein at least 80% of the plurality of nanostructures are oriented to within 30° of a common axis.
25. The article of claim 17 , wherein at least 80% of the plurality of nanostructures are oriented to within 10° of a common axis.
26. The article of claim 17 , wherein at least 80% of the plurality of nanostructures are oriented to within 5° of a common axis.
27. The article of claim 17 , wherein at least 90% of the plurality of nanostructures are oriented to within 30° of a common axis.
28. The article of claim 17 , wherein at least 90% of the plurality of nanostructures are oriented to within 10° of a common axis.
29. The article of claim 17 , wherein at least 90% of the plurality of nanostructures are oriented to within 5° of a common axis.