Quantum dots composite particles and their preparation method, photoelectric elements and photoelectric equipments
US10181565B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Jul 18, 2014 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Apr 11, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/95
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention refers to quantum dots (QDs) composite particles and their preparation method, photoelectric elements and photoelectric equipment. The preparation method of QDs composite particles comprises: coating the surface of metal nanoparticles (MNPs) with silica; modifying the silica coated MNPs through amination to make the surface of the silica have amino functional groups; and combining the carboxyl-functionalized QDs with amino-functionalized silica coated MNPs, thereby preparing the QDs composite particles. The preparation method can enhance the fluorescent efficiency of QDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.