Yb3+ -sensitized upconversion and downshifting luminescence in Nd3+ ions through energy migration

Dalton Transactions : an International Journal of Inorganic Chemistry
Qi ZhuFeng Wang

Abstract

A core-shell-shell nanostructure composed of NaGdF4:Yb/Tm@NaGdF4:Nd@NaYF4 is developed to realize Yb3+-sensitized upconversion and downshifting luminescence in Nd3+ ions. The unusual photon conversion property stems from a gadolinium sublattice mediated Yb3+→ Tm3+→ Gd3+→ Nd3+ energy transfer pathway. The energy transfer processes are investigated by varying the dopant concentration and distribution, in conjunction with time decay measurements.

References

May 8, 2009·Chemical Society Reviews·Feng Wang, Xiaogang Liu
Jun 1, 2011·Angewandte Chemie·Markus Haase, Helmut Schäfer
Aug 9, 2011·Advanced Materials·Hai-Qiao WangChristoph J Brabec
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Citations

Jul 18, 2021·Nature Communications·Qianqian SuDayong Jin
Jan 7, 2022·Chemical Reviews·Bingzhu ZhengXiaogang Liu

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Methods Mentioned

BETA
transmission electron microscopy
X-ray

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