Low-Temperature-Induced Controllable Transversal Shell Growth of NaLnF(4) Nanocrystals

doi:10.3390/nano11030654

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	Low-Temperature-Induced Controllable Transversal Shell Growth of NaLnF(4) Nanocrystals
	D. M. Liu; Y. Jin; X. T. Dong; L. Liu; D. Y. Jin; J. A. Capobianco and D. Z. Shen
	2021
发表期刊	Nanomaterials
卷号	11 期号:3 页码:11
摘要	Highly controllable anisotropic shell growth is essential for further engineering the function and properties of lanthanide-doped luminescence nanocrystals, especially in some of the advanced applications such as multi-mode bioimaging, security coding and three-dimensional (3D) display. However, the understanding of the transversal shell growth mechanism is still limited today, because the shell growth direction is impacted by multiple complex factors, such as the anisotropy of surface ligand-binding energy, anisotropic core-shell lattice mismatch, the size of cores and varied shell crystalline stability. Herein, we report a highly controlled transversal shell growth method for hexagonal sodium rare-earth tetrafluoride (beta-NaLnF(4)) nanocrystals. Exploiting the relationship between reaction temperature and shell growth direction, we found that the shell growth direction could be tuned from longitudinal to transversal by decreasing the reaction temperature from 310 degrees C to 280 degrees C. In addition to the reaction temperature, we also discussed the roles of other factors in the transversal shell growth of nanocrystals. A suitable core size and a relative lower shell precursor concentration could promote transversal shell growth, although different shell hosts played a minor role in changing the shell growth direction.
DOI	10.3390/nano11030654
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收录类别	SCI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65395
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	D. M. Liu,Y. Jin,X. T. Dong,et al. Low-Temperature-Induced Controllable Transversal Shell Growth of NaLnF(4) Nanocrystals[J]. Nanomaterials,2021,11(3):11.
APA	D. M. Liu,Y. Jin,X. T. Dong,L. Liu,D. Y. Jin,&J. A. Capobianco and D. Z. Shen.(2021).Low-Temperature-Induced Controllable Transversal Shell Growth of NaLnF(4) Nanocrystals.Nanomaterials,11(3),11.
MLA	D. M. Liu,et al."Low-Temperature-Induced Controllable Transversal Shell Growth of NaLnF(4) Nanocrystals".Nanomaterials 11.3(2021):11.

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