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A New Long Phosphorescent Phosphor with High Brightness, SrAl2 O 4 : Eu2 + , Dy3 +
Abstract
A green emitting SrAl 2 O 4 : Eu 2 + , Dy 3 + phosphor with very bright and long lasting phosphorescence has been newly developed. The incorporation of Dy 3 + ion into the SrAl 2 O 4 : Eu 2 + system as an auxiliary activator dominates the phosphorescence, thermoluminescence, and photoconductivity characteristics of the phosphor to a large extent. Evidence is presented for the mechanism that the phosphorescence is ascribed to the photoconductivity due to holes, and to the trapping and thermal release of the holes by Dy 3 + ions in the system. The incorporation of the Dy 3 + ion forms a highly dense trapping level located at a suitable depth in relation to the thermal release rate at room temperature, thus producing the very bright and long phosphorescence.
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Citations
Cited by
X-ray-activated persistent luminescence nanomaterials for NIR-II imaging
Pei, P., Chen, Y., Sun, C., Fan, Y., Yang, Y., Liu, X., Lu, L., Zhao, M., Zhang, H., Zhao, D., et al. (2021) · Nature Nanotechnology · doi:10.1038/s41565-021-00922-3 · Cited by 718
Mechanism of long phosphorescence of SrAl2O4:Eu2+, Dy3+ and CaAl2O4:Eu2+, Nd3+
Yamamoto, H., & Matsuzawa, T. (1997) · Journal of Luminescence · doi:10.1016/s0022-2313(97)00012-4 · Cited by 527
Self-citationLiu, F., Yan, W., Chuang, Y.-J., Zhen, Z., Xie, J., & Pan, Z. (2013) · Scientific Reports · doi:10.1038/srep01554 · Cited by 508
Tan, H., Wang, T., Shao, Y., Yu, C., & Hu, L. (2019) · Frontiers in Chemistry · doi:10.3389/fchem.2019.00387 · Cited by 59
Rare-earths doped-nanoparticles prepared by pulsed laser ablation in liquids
Du, H., Castaing, V., Guo, D., & Viana, B. (2020) · Ceramics International · doi:10.1016/j.ceramint.2020.04.291 · Cited by 35
Metadata
- Authors
- Matsuzawa, T., Aoki, Y., Takeuchi, N., & Murayama, Y.
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 1996-08-01
- Volume
- 143
- Issue
- 8
- Pages
- 2670-2673
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W1900233792
- Cited by
- 2,148
- References
- 0
- FWCI
- 10.13
- Type
- journal article
- Language
- en
- Open access
- closed
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- Matsuzawa, T., Aoki, Y., Takeuchi, N., & Murayama, Y. (1996). A New Long Phosphorescent Phosphor with High Brightness, SrAl2 O 4 : Eu2 + , Dy3 +. Journal of The Electrochemical Society. https://doi.org/10.1149/1.1837067
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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