| 申请日期 | 2025-08-28 | 申请号 | US15159684 |
| 公开（公告）号 | US10266960B2 | 公开（公告）日 | 2019-04-23 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Excelsior Nanotech Corporation | ||
| 简介 | A method and a precursor for the large-scale production of upconverting nanocrystals derived from a NaYF4 host are provided. A rare earth based precursor is combined with a hydrophobic fluoride precursor, which is based upon a long-chain n-alkyl amine to form a reaction solution. The reaction solution is heated under an inert gas to temperatures above 300° C., whereby upconverting NaYF4-based nanocrystals are nucleated and grown. | ||
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