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Employing shells to eliminate concentration quenching in photonic upconversion nanostructure
Zuo, J.; Q. Q. Li; B. Xue; C. X. Li; Y. L. Chang; Y. L. Zhang; X. M. Liu; L. P. Tu; H. Zhang and X. G. Kong
2017
Source PublicationNanoscale
Volume9Issue:23
AbstractIt is generally accepted that a lanthanide ions based upconversion material follows an activator low doping strategy (normally <3 mol%), because of the restriction of the harmful concentration quenching effect. Here, we demonstrate that this limitation can be broken in nanostructures. Simply by using an inert shell coating strategy, the concentration quenching effect for the activator (Er3+) could be eliminated and highly efficient upconversion luminescence realized in the activator fully doped nanostructure, e.g. NaErF4@NaYF4. More importantly, this novel nanostructure achieves some long-cherished desires, such as multiple-band co-excitation (similar to 800 nm, similar to 980 nm and similar to 1530 nm) and monochromic red emission. Proof-of-concept experiments are presented of the potential benefit of this structure in solar cells and anti-counterfeiting. This nanostructure offers new possibilities in realizing high upconversion emission and novel functionalities of lanthanide based nanomaterials.
Indexed Bysci ; ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59508
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zuo, J.,Q. Q. Li,B. Xue,et al. Employing shells to eliminate concentration quenching in photonic upconversion nanostructure[J]. Nanoscale,2017,9(23).
APA Zuo, J..,Q. Q. Li.,B. Xue.,C. X. Li.,Y. L. Chang.,...&H. Zhang and X. G. Kong.(2017).Employing shells to eliminate concentration quenching in photonic upconversion nanostructure.Nanoscale,9(23).
MLA Zuo, J.,et al."Employing shells to eliminate concentration quenching in photonic upconversion nanostructure".Nanoscale 9.23(2017).
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