Monodisperse beta-NaYF4:Yb3+, Tm3+ hexagonal microplates with efficient NIR-to-NIR up-conversion emission developed via ion exchange
文献类型：期刊论文
| 作者 | Sun, Shiyu; Turshatov, Andrey; Richards, Bryce S.; Hu, Lili; Sun, Hongtao; Fan, Shaohua; Gao, Guojun; Busko, Dmitry; Lin, Zhiquan; Wang, Shikai |
| 刊名 | J. Mater. Chem. C
 |
| 出版日期 | 2017 |
| 卷号 | 5期号:37页码:9770 |
| 通讯作者 | guojun.gao@kit.edu ; hulili@siom.ac.cn |
| 英文摘要 | Monodisperse beta-NaYF4:Yb3+, Tm3+ (NYF) hexagonal microplates with efficient near-infrared (NIR)-to-NIR up-conversion (UC) developed via a new ion-exchange modified hydrothermal method are reported. Ion exchange modification (IEM) not only significantly increases the UC intensity by up to 1000 times and prolongs the emission lifetimes of Tm3+ and Yb3+, but also enables the monodisperse morphology and size of hexagonal microplates to be maintained. A high UC quantum efficiency (QE) of 3.1% is obtained for IEM beta-NaYF4: 20%Yb3+, 1%Tm3+ when excited with 980 nm light at a power density of 10W cm(-2). The UC emission properties can be finely tailored by changing the NaF/NYF molar ratio (NYF represents lanthanide doped beta-NaYF4) and the doping concentration of Tm3+. The two photon NIR UC emission centered at B803 nm (arising from Tm3+:3H(4)-3H(6)) dominates the UC emission spectrum and high concentrations of Tm3+ favor NIR UC further. A proof-of-concept optical image of printed patterns is demonstrated to verify their applications in security. These results suggest the promising applications of the newly developed monodisperse beta-NaYF4:Yb3+, Tm3+ hexagonal microplates in security, luminescent labels, solid-state lasers, amplifiers, and biomedicine. |
| 收录类别 | SCI |
| 资助信息 | China: National Natural Science Foundation of China [61405215, 61505232]; Germany: Helmholtz Association's research program Science and Technology of Nanosystems (STN) |
| WOS记录号 | WOS:000412069100030 |
| 源URL | [http://ir.siom.ac.cn/handle/181231/28132]  |
| 专题 | 上海光学精密机械研究所_中科院强激光材料重点实验室 |
| 作者单位 | 中国科学院上海光学精密机械研究所 |
| 推荐引用方式 GB/T 7714 | Sun, Shiyu,Turshatov, Andrey,Richards, Bryce S.,et al. Monodisperse beta-NaYF4:Yb3+, Tm3+ hexagonal microplates with efficient NIR-to-NIR up-conversion emission developed via ion exchange[J]. J. Mater. Chem. C,2017,5(37):9770. |
| APA | Sun, Shiyu.,Turshatov, Andrey.,Richards, Bryce S..,Hu, Lili.,Sun, Hongtao.,...&Wang, Xue.(2017).Monodisperse beta-NaYF4:Yb3+, Tm3+ hexagonal microplates with efficient NIR-to-NIR up-conversion emission developed via ion exchange.J. Mater. Chem. C,5(37),9770. |
| MLA | Sun, Shiyu,et al."Monodisperse beta-NaYF4:Yb3+, Tm3+ hexagonal microplates with efficient NIR-to-NIR up-conversion emission developed via ion exchange".J. Mater. Chem. C 5.37(2017):9770. |
入库方式： OAI收割
来源：上海光学精密机械研究所
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