Functionalized matrices for dispersion of nanostructures
US8618212B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2012 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Oct 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Matrixes doped with semiconductor nanocrystals are provided. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light at particular wavelengths. The nanocrystals can comprise ligands that allow for mixing with various matrix materials, including polymers, such that a minimal portion of light is scattered by the matrixes. The matrixes are optionally formed from the ligands. The matrixes of the present invention can be used as refractive index matching components, filters and antireflective coatings on optical devices and as down-converting layers. Processes for producing matrixes comprising semiconductor nanocrystals are also provided. Nanostructures having high quantum efficiency, small size, and/or a narrow size distribution are also described, as are methods of producing indium phosphide nanostructures and core-shell nanostructures with Group II-VI shells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.