Significantly Boosted Upconversion Emission in Cryogenic Er@Yb@Y Core–Shell–Shell Nanostructures
文献类型：期刊论文
| 作者 | E. H. Wang, W. Wang, L. J. Niu, Y. S. Feng, H. F. Zhao, Y. S. Luo, L. G. Zhang, Q. Q. Li, H. R. Chen, Y. L. Chang, L. P. Tu, H. Zhang and J. Zuo |
| 刊名 | Advanced Optical Materials
 |
| 出版日期 | 2024 |
| 卷号 | 12期号:5页码:8 |
| ISSN号 | 2195-1071 |
| DOI | 10.1002/adom.202301827 |
| 英文摘要 | Recent advances reveal that due to the cross-relaxation restriction, impressive upconversion (UC) enhancement (& AP;100-folds) can be achieved in cryogenic Er3+-rich core-inert shell nanostructures (e.g., NaErF4@NaYF4), which opens up exciting opportunities in diverse frontier applications. However, further promotion of UC intensity is still highly desired, in which the rational design of nanostructures can play a key role. Herein, it is demonstrated that adopting an active shell design will constantly benefit the UC within a wide temperature range (40-300 K). Specifically, through constructing the luminescent core@active shell@inert shell sandwich nanostructure (e.g., NaErF4@NaYbF4@NaYF4), 8.3-73-folds UC enhancement will be achieved (taking the corresponding core@inert shell structures as competitors). Moreover, from spectral-domain and time-domain spectroscopic experiments, the relevant UC enhancement is convincingly attributed to a temperature-dependent energy injection process (from the active shell to the luminescent core). More interestingly, the unique property of the material makes a temperature-induced high-level encryption application possible, which is obtained by employing the nanomaterials on a quick response (QR) code. These results not only deepen the UC mechanism in multi-layer nanostructures, but also introduce an expanded dimension (via low temperatures) in information security. The advantages of active shell sensitization and the cryogenic field-induced cross relaxation suppression are combined in this study, which significantly promotes the upconversion emission brightness of Er3+-rich core-shell nanostructures 1-2 orders of magnitude. Based on the unique property of the material, a temperature-induced high-level information encryption application with QR code is successfully developed.image |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/67918]  |
| 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 | E. H. Wang, W. Wang, L. J. Niu, Y. S. Feng, H. F. Zhao, Y. S. Luo, L. G. Zhang, Q. Q. Li, H. R. Chen, Y. L. Chang, L. P. Tu, H. Zhang and J. Zuo. Significantly Boosted Upconversion Emission in Cryogenic Er@Yb@Y Core–Shell–Shell Nanostructures[J]. Advanced Optical Materials,2024,12(5):8. |
| APA | E. H. Wang, W. Wang, L. J. Niu, Y. S. Feng, H. F. Zhao, Y. S. Luo, L. G. Zhang, Q. Q. Li, H. R. Chen, Y. L. Chang, L. P. Tu, H. Zhang and J. Zuo.(2024).Significantly Boosted Upconversion Emission in Cryogenic Er@Yb@Y Core–Shell–Shell Nanostructures.Advanced Optical Materials,12(5),8. |
| MLA | E. H. Wang, W. Wang, L. J. Niu, Y. S. Feng, H. F. Zhao, Y. S. Luo, L. G. Zhang, Q. Q. Li, H. R. Chen, Y. L. Chang, L. P. Tu, H. Zhang and J. Zuo."Significantly Boosted Upconversion Emission in Cryogenic Er@Yb@Y Core–Shell–Shell Nanostructures".Advanced Optical Materials 12.5(2024):8. |
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