Process for manufacturing colloidal nanosheets by lateral growth of nanocrystals
US10490624B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2011 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Sep 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/932
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for manufacturing colloidal nanosheet, by lateral growth, on an initial colloidal nanocrystal, of a crystalline semiconductor material represented by the formula MnXy, where M is a transition metal and X a chalcogen. The process includes the following steps: The preparation of a first organic solution, non or barely coordinating used as a synthesis solvent and including at least one initial colloidal nanocrystal; The preparation of a second organic solution including precursors of M and X, and including an acetate salt. And the slow introduction over a predetermined time scale of a predetermined amount of the second solution in a predetermined amount of the first solution, at a predetermined temperature for the growth of nanosheets. The use of the obtained material is also presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.