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Precisely Tailoring Upconversion Dynamics via Energy Migration in Core-Shell Nanostructures
Zuo, J.; Sun, D. P.; Tu, L. P.; Wu, Y. N.; Cao, Y. H.; Xue, B.; Zhang, Y. L.; Chang, Y. L.; Liu, X. M.; Kong, X. G.; Buma, W. J.; Meijer, E. J.; Zhang, H.
2018
发表期刊Angewandte Chemie-International Edition
ISSN1433-7851
卷号57期号:12页码:3054-3058
摘要Upconversion emission dynamics have long been believed to be determined by the activator and its interaction with neighboring sensitizers. Herein this assumption is, however, shown to be invalid for nanostructures. We demonstrate that excitation energy migration greatly affects upconversion emission dynamics. "Dopant ions Q spatial separation" nanostructures are designed as model systems and the intimate link between the random nature of energy migration and upconversion emission time behavior is unraveled by theoretical modelling and confirmed spectroscopically. Based on this new fundamental insight, we have successfully realized fine control of upconversion emission time behavior (either rise or decay process) by tuning the energy migration paths in various specifically designed nanostructures. This result is significant for applications of this type of materials in super resolution spectroscopy, high-density data storage, anti-counterfeiting, and biological imaging.
关键词core-shell nanostructures energy migration lanthanides luminescence dynamics Monte Carlo simulation upconversion nanocrystals excitation-energy nanoparticles nanocrystals luminescence surface Chemistry
DOI10.1002/anie.201711606
收录类别SCI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60771
专题中国科学院长春光学精密机械与物理研究所
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Zuo, J.,Sun, D. P.,Tu, L. P.,et al. Precisely Tailoring Upconversion Dynamics via Energy Migration in Core-Shell Nanostructures[J]. Angewandte Chemie-International Edition,2018,57(12):3054-3058.
APA Zuo, J..,Sun, D. P..,Tu, L. P..,Wu, Y. N..,Cao, Y. H..,...&Zhang, H..(2018).Precisely Tailoring Upconversion Dynamics via Energy Migration in Core-Shell Nanostructures.Angewandte Chemie-International Edition,57(12),3054-3058.
MLA Zuo, J.,et al."Precisely Tailoring Upconversion Dynamics via Energy Migration in Core-Shell Nanostructures".Angewandte Chemie-International Edition 57.12(2018):3054-3058.
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