Highly efficient and thermally stable luminescence of Ca3Gd2Si6O18:Ce3+,Tb3+ phosphors based on efficient energy transfer

doi:10.1039/d0tc04449k

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	Highly efficient and thermally stable luminescence of Ca3Gd2Si6O18:Ce3+,Tb3+ phosphors based on efficient energy transfer
	D. Wu,Y. Xiao,L. L. Zhang,X. L. Dong,S. F. Zhao,W. P. Zhou,Q. S. Lu and J. H. Zhang
	2020
发表期刊	Journal of Materials Chemistry C
ISSN	2050-7526
卷号	8 期号:48 页码:10
摘要	As phosphor-converted white light emitting diodes have emerged as new-generation light sources, developing phosphors with both high quantum efficiency (QE) and thermal stability is urgently required. One of the effective strategies is exploiting the nonradiative energy transfer to simultaneously improve the absorption of the activator and tune the emission of the sensitizer. In this work, we report a series of color-tunable phosphors by constructing an energy transfer system by co-doping Ce3+ and Tb3+ into Ca3Gd2Si6O18 (CGSO). We show that CGSO:Ce3+,Tb3+ not only exhibits color-tunable emission from violet (395 nm) to green (543 nm), but also possesses high internal QE (90.1%). Furthermore, we demonstrate that thermal stability can be significantly improved via efficient energy transfer from Ce3+ to Tb3+, which is mainly attributed to the fast energy transfer within the nearest Ce3+-Tb3+ pairs. Our results indicate that energy transfer from Ce3+ to Tb3+ provides a promising way to develop new green phosphors with high QE and superior thermal stability.
DOI	10.1039/d0tc04449k
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收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64562
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	D. Wu,Y. Xiao,L. L. Zhang,X. L. Dong,S. F. Zhao,W. P. Zhou,Q. S. Lu and J. H. Zhang. Highly efficient and thermally stable luminescence of Ca3Gd2Si6O18:Ce3+,Tb3+ phosphors based on efficient energy transfer[J]. Journal of Materials Chemistry C,2020,8(48):10.
APA	D. Wu,Y. Xiao,L. L. Zhang,X. L. Dong,S. F. Zhao,W. P. Zhou,Q. S. Lu and J. H. Zhang.(2020).Highly efficient and thermally stable luminescence of Ca3Gd2Si6O18:Ce3+,Tb3+ phosphors based on efficient energy transfer.Journal of Materials Chemistry C,8(48),10.
MLA	D. Wu,Y. Xiao,L. L. Zhang,X. L. Dong,S. F. Zhao,W. P. Zhou,Q. S. Lu and J. H. Zhang."Highly efficient and thermally stable luminescence of Ca3Gd2Si6O18:Ce3+,Tb3+ phosphors based on efficient energy transfer".Journal of Materials Chemistry C 8.48(2020):10.

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