Manipulating the Injected Energy Flux via Host-Sensitized Nanostructure for Improving Multiphoton Upconversion Luminescence of Tm3+

doi:10.1021/acs.nanolett.2c01324

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	Manipulating the Injected Energy Flux via Host-Sensitized Nanostructure for Improving Multiphoton Upconversion Luminescence of Tm3+
	X. Y. Xie; Q. Q. Li; H. R. Chen; W. Wang; F. X. Wu; L. P. Tu; Y. L. Zhang; X. G. Kong and Y. L. Chang
	2022
发表期刊	Nano Letters
ISSN	1530-6984
页码	9
摘要	Combating the concentration quenching effect by increasing the concentration of sensitized rare-earth ions in rational design upconversion nanostructure will make it easier to utilize injection energy flux and transfer it to emitters, resulting in improved upconversion luminescence (UCL). We proposed a host-sensitized nanostructure (active core@luminescent shell@inert shell) to improve multiphoton UCL of Tm3+ based on the LiLnF4 host. Yb3+ ions were isolated in the core as energy absorbents, and Tm3+ was doped in the interior LiYbF4 host shell. Compared with sandwich structured nanocrystals (Y@Y:Yb/ Tm@Y), reverse structure (YbTm@Yb@Y), and fully doped structure (YbTm@ YbTm@Y), the proposed structure achieved the highest efficiency of multiphoton UCL and favored a better FRET-based application performance as the Tm3+ located at an optimized spatial distribution. Furthermore, steady-state and dynamic analysis results demonstrate that by manipulating the spatial distribution of the active ions, excited energy can be tuned to enable multiphoton upconversion enhancement, overcoming the conventional limitations.
DOI	10.1021/acs.nanolett.2c01324
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收录类别	sci ; ei
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66828
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	X. Y. Xie,Q. Q. Li,H. R. Chen,et al. Manipulating the Injected Energy Flux via Host-Sensitized Nanostructure for Improving Multiphoton Upconversion Luminescence of Tm3+[J]. Nano Letters,2022:9.
APA	X. Y. Xie.,Q. Q. Li.,H. R. Chen.,W. Wang.,F. X. Wu.,...&X. G. Kong and Y. L. Chang.(2022).Manipulating the Injected Energy Flux via Host-Sensitized Nanostructure for Improving Multiphoton Upconversion Luminescence of Tm3+.Nano Letters,9.
MLA	X. Y. Xie,et al."Manipulating the Injected Energy Flux via Host-Sensitized Nanostructure for Improving Multiphoton Upconversion Luminescence of Tm3+".Nano Letters (2022):9.

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