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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >beta-NaGdF4 nanotubes: one-pot synthesis and luminescence properties
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beta-NaGdF4 nanotubes: one-pot synthesis and luminescence properties

机译：β-NaGdF4纳米管：一锅法合成和发光性质

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摘要

Hexagonal-phase NaGdF4 nanotubes were successfully fabricated through a template- and catalyst-free method in a hydrothermal environment. The intrinsic and external factors contributing to the formation of tubular nanocrystals were discussed, namely the anisotropic crystal structure of the hexagonal-phase NaGdF4 and the insufficient supply of reagents. Furthermore, the addition of ethylene glycol and hydrazine had a significant effect on the morphological variation. The desirable multicolor outputs were achieved by co-doping Ce3+ and Ln(3+) (Ln = Eu, Tb, and Dy) ions in the NaGdF4 crystal, in which the Gd-3+ ions acted as an intermediate medium transforming the excitation energy to the activator ions. Finally, the upconversion luminescence and magnetic performance of the sodium rare earth fluoride were demonstrated.
机译：通过无模板和无催化剂的方法在水热环境中成功制备了六角相NaGdF4纳米管。讨论了形成管状纳米晶体的内在和外在因素，即六方相NaGdF4的各向异性晶体结构和试剂的不足。此外，添加乙二醇和肼对形态变化具有显着影响。通过在NaGdF4晶体中共掺杂Ce3 +和Ln（3+）（Ln = Eu，Tb和Dy）离子可获得理想的多色输出，其中Gd-3 +离子充当转换激发能的中间介质激活离子。最后，证明了稀土氟化钠的上转换发光和磁性能。

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