材料科学
光子上转换
超顺磁性
发光
棒
化学工程
荧光粉
纳米技术
光电子学
磁化
替代医学
病理
工程类
物理
磁场
医学
量子力学
作者
Deming Liu,Dan Zhao,Feng Shi,Kezhi Zheng,Weiping Qin
标识
DOI:10.1016/j.matlet.2012.06.023
摘要
Abstract Fe 3 O 4 /NaYF 4 submicro-rods were synthesized via a facile hydrothermal process with the presence of EDTA and Fe 3 O 4 NPs. The structure of Fe 3 O 4 /NaYF 4 submicro-rods is pictured as a large number of Fe 3 O 4 NPs firmly attached on the surface of NaYF 4 submicro-rods, generating a hetero structure. It is the first time to synthesize this structured magnetic upconversion luminescent composites via a hydrothermal method. Furthermore, these Fe 3 O 4 /NaYF 4 hetero-submicro-rods with a high saturated magnetization value of 9.4 emu g −1 can emit bright green luminescence under 980 nm laser, which demonstrates these Fe 3 O 4 /NaYF 4 submicro-rods possess better overall bifunctional properties compared with other reported works.
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