Three-dimensionally patterned materials and methods for manufacturing same using nanocrystals
US6139626A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Sep 4, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/25
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for patterning materials according to a predetermined, three-dimensional pattern, as well as patterned materials produced by said methods, are provided. A template is prepared comprising a template material, the template having a plurality of pores therein, the plurality of pores comprising a negative of the predetermined, three-dimensional pattern. Colloidal nanocrystals sufficient to fill the pores in the template are also prepared. The pores in the template are filled with the colloidal nanocrystals. A quantum-dot solid is formed from the colloidal nanocrystals within the pores in the template, such that the colloidal nanocrystals are concentrated as close-packed nanocrystals within the pores in the template in the predetermined, three-dimensional pattern. If desired, a conventional solid may be obtained by sintering the close-packed nanocrystals within the pores of the template.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.