Organic species that facilitate charge transfer to or from nanostructures

• US 6,949,206 B2
• Filed: 09/04/2003
• Issued: 09/27/2005
• Est. Priority Date: 09/05/2002
• Status: Expired due to Term

• Current Assignee: Shoei Chemical Inc.
• Original Assignee: Nanosys Incorporated (Shoei Electronic Materials, Inc.)
• Inventors: Whiteford, Jeffery A., Buretea, Mihai A., Scher, Erik
• Primary Examiner(s): Kopec, Mark
• Assistant Examiner(s): VIJAYAKUMAR, KALLAMBELLA M
• Application Number:
  US10/656,910
• Publication Number:
  US 20040178390A1
• Time in Patent Office: 754 Days
• Field of Search: 252/500, 252/502, 252/519.3, 252/301.32, 252/301.4 R, 252/301.6 R, 252/301.6 S, 136/263, 136/265, 136/252, 549/41, 549/42, 562/8, 562/23, 428/690, 428/403, 117/84
• US Class Current: 252/500
• 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 15/00 Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
• CPC Class Codes: B82Y 30/00 Nanotechnology for materials or surface science, e.g. nanocomposites
• CPC Class Codes: G01N 33/588 with semiconductor nanocrystal label, e.g. quantum dots
• CPC Class Codes: H01B 1/128 comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes
• CPC Class Codes: H01G 9/2031 comprising titanium oxide, e.g. TiO2 H01G9/2036 takes precedence
• CPC Class Codes: H01G 9/2059 comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
• CPC Class Codes: H10K 30/151 the wide bandgap semiconductor comprising titanium oxide, e.g. TiO2
• CPC Class Codes: H10K 30/50 Photovoltaic [PV] devices
• CPC Class Codes: H10K 85/655 comprising only sulfur as heteroatom
• CPC Class Codes: Y02E 10/549 Organic PV cells
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product

Abstract

The present invention provides compositions (small molecules, oligomers and polymers) that can be used to modify charge transport across a nanocrystal surface or within a nanocrystal-containing matrix, as well as methods for making and using the novel compositions.

Claims

1. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

2. The conductive composition of claim 1, wherein the nanostructure is a nanocrystal.

3. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

4. The conductive composition of claim 3, wherein the nanostructure is a nanocrystal.

5. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

6. The conductive composition of claim 5, wherein the nanostructure is a nanocrystal.

7. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

8. The conductive composition of claim 7, wherein the nanostructure is a nanocrystal.

9. A conductive composition for modification of charge transport across a nanocrystal-containing matrix, the composition having the formula:

10. The conductive composition of claim 9, wherein the nanostructure is a nanocrystal.

11. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

12. The conductive composition of claim 11, wherein the nanostructure is a nanocrystal.

13. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

14. The conductive composition of claim 13, wherein the nanostructure is a nanocrystal.

15. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

16. The conductive composition of claim 15, wherein the nanostructure is a nanocrystal.

17. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

18. The conductive composition of claim 17, wherein the nanostructure is a nanocrystal.

19. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

20. The conductive composition of claim 19, wherein the nanostructure is a nanocrystal.

21. A conductive composition for modification of charge transport across a nanostructure-containing matrix, the composition having the formula:

22. The conductive composition of claim 21, wherein the nanostructure is a nanocrystal.