Nano-crystalline core and nano-crystalline shell pairing having group I-III-VI material nano-crystalline core
US9187692B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Mar 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8512
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Nano-crystalline core and nano-crystalline shell pairings having group I-III-VI material nano-crystalline cores, and methods of fabricating nano-crystalline core and nano-crystalline shell pairings having group I-III-VI material nano-crystalline cores, are described. In an example, a semiconductor structure includes a nano-crystalline core composed of a group I-III-VI semiconductor material. A nano-crystalline shell composed of a second, different, semiconductor material at least partially surrounds the nano-crystalline core. In one specific example, the nano-crystalline core/nano-crystalline shell pairing has a photoluminescence quantum yield (PLQY) of greater than 60%. In another specific example, the nano-crystalline core/nano-crystalline shell pairing is a Type I hetero-structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.