Journal
JOURNAL OF RARE EARTHS
Volume 39, Issue 9, Pages 1040-1048Publisher
ELSEVIER
DOI: 10.1016/j.jre.2020.07.014
Keywords
Phosphor; Borate; Photoluminescence; Cathodoluminescence; Multifunction; Rare earths
Categories
Funding
- National Natural Science Foundation of China [51802138, 51702147]
- Youth Project of Fujian Education Department (Science and Technology) [JAT170565]
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The CsBaB3O6:Eu3+ phosphor exhibits excellent optical properties and thermal stability, making it suitable for applications in LED and FED.
Recently, borate compounds have received much attention in the field of rare earth doped phosphors due to their excellent luminescent performance. In this work, to explore the potential in LED and FED applications, the CsBaB3O6:Eu3+ phosphor was investigated in detail by using Rietveld refinement, DFT calculations, photoluminescent and cathodoluminescent spectra. As a result, CsBaB3O6 has a planar stacked three-dimensional layered structure. Under the excitation of 395 nm n-UV light and electron beam, CsBaB3O6:Eu3+ phosphor exhibits a typical red emission of Eu3+. A good thermal stability and good resistance to saturation and degradation were observed in the CsBaB3O6:Eu3+ phosphor. The related photoluminescent and cathodoluminescent mechanisms were studied. The results indicate that CsBaB3O6:Eu3+ phosphor has potential in multifunctional applications. (C) 2020 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.
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