A luminescent view of the clickable assembly of LnF(3) nanoclusters.

A luminescent view of the clickable assembly of LnF(3) nanoclusters.
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LnF(3) 纳米团簇的可点击组件的发光视图。

DOI:
10.1038/s41467-021-23176-y
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发表时间:
2021-05-19
影响因子:
16.6
通讯作者:
Huang L
Huang L
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhou J;Wei Y;Pan Y;Wang Y;Yuan Z;Zhang F;Song H;Yue J;Su H;Xie X;Huang L

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纳米团簇不仅在尺寸上,而且在物理化学性质上弥补了原子和纳米材料之间的差距。精确的化学和结构控制,以及对形成机制的清晰理解,对于制造在光电子、催化、纳米合金、能量转换和收获方面具有高性能的nc非常重要。本文利用Ln3+ (Ln = Eu, Nd, Sm, Gd等)和Gd3+ -Eu3 +能量转移离子对的相近化学性质,我们报道了一种可点击的Ln3纳米粒子组装策略,该策略允许可靠地制造各种结构的纳米粒子,包括单组分、二聚体、核-壳-壳/核-壳-壳,以及反核-壳/核-壳-壳,特别是具有协同光学功能。此外,目的嵌入的双发光探针在原位和精确跟踪复杂纳米结构中的微小结构变化和能量传递途径方面具有很大的优势。精确控制纳米团簇的化学成分和结构是一个持续的挑战。在这里,作者报告了一种可点击的组装策略,以构建具有协同光学功能的多种镧系纳米团簇。
Nanoclusters (NCs) bridge the gap between atoms and nanomaterials in not only dimension but also physicochemical properties. Precise chemical and structural control, as well as clear understanding of formation mechanisms, have been important to fabricate NCs with high performance in optoelectronics, catalysis, nanoalloys, and energy conversion and harvesting. Herein, taking advantage of the close chemical properties of Ln3+ (Ln = Eu, Nd, Sm, Gd, etc.) and Gd3+–Eu3+ energy transfer ion-pair, we report a clickable LnF3 nanoparticle assembly strategy allowing reliable fabrication of diversely structured NCs, including single-component, dimeric, core-shelled/core-shell-shelled, and reversely core-shelled/core-shell-shelled, particularly with synergized optical functionalities. Moreover, the purposely-embedded dual luminescent probes offer great superiority for in situ and precise tracking of tiny structural variations and energy transfer pathways within complex nanoarchitectures. Precisely controlling the chemical composition and structure of nanoclusters is an ongoing challenge. Here, the authors report a clickable assembly strategy to construct widely varied lanthanide nanoclusters with synergized optical functionalities.
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