White light emission and energy transfer in RE3+ doped CeF3 nanoparticles guided by first principles

被引：0
作者：
Liu, Junjie [1 ]
Yang, Weiling [2 ]
Shi, Zhiming [3 ]
Yang, Yong [1 ]
Li, Chun [2 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Comp Sci & Technol, Changchun 130022, Peoples R China
[2] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Peoples R China
[3] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2024年 / 35卷 / 02期
关键词：
ZINC-ALUMINOBOROSILICATE GLASSES; LUMINESCENCE PROPERTIES; GARNET PHOSPHORS; IONS; SPECTRA; TEMPERATURE; EXCITATION; BEHAVIOR; TB;
D O I：
10.1007/s10854-023-11767-y
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A series of fluorescent materials, called CeF3: Tb3+, Eu3+ nanoparticles, are synthesized by a hydrothermal method. These nanoparticles are used in w-LEDs, which can be excited by different UV ranges. The VASP is used as the first principles simulation that analyzes the influence of structure on luminescence. Results show that the CeF3: Tb3+, Eu3+ nanoparticles are excited at 394 nm and two sharp red-orange emissions close to 600 nm are seen. Under excitations at 276 and 378 nm, the energy transfer effect of the Ce3+-Tb3+-Eu3+ bridge appears, which results in the emission of white light. Moreover, the energy transfer efficiency and the concentration quenching are studied and analyzed via Dexter theory. Our results clearly suggest that CeF3: Tb3+, Eu3+ nanoparticles will be useful in lighting and display materials.
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页数：20
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