NDLI: Luminescence and energy transfer of white emitting phosphor YAl$_{3}$(BO$_{3}$)$

Content Provider	SpringerLink
Author	Zhou, Fen Wang, Di Cao, He ying Li, Jing Song, Hui ling Li, Pan lai Wang, Zhi jun Zhang, Kun Pang, Li bin
Copyright Year	2015
Abstract	A white emitting phosphor of YAl$_{3}$(BO$_{3}$)$_{4}$:Ce$^{3+}$, Dy$^{3+}$ is synthesized by a solid state reaction, and its luminescent properties are investigated. Its phase formation is carried out with X-ray powder diffraction analysis, and there is no crystalline phase other than YAl$_{3}$(BO$_{3}$)$_{4}$. YAl$_{3}$(BO$_{3}$)$_{4}$:Ce$^{3+}$ can produce 422 nm blue emission under 367 nm excitation. The emission spectrum of YAl$_{3}$(BO$_{3}$)$_{4}$:Dy$^{3+}$ shows several emission peaks under 350 nm excitation, and the peaks locate at 485 nm, 575 nm and 668 nm, respectively. Emission intensities of Ce$^{3+}$ and Dy$^{3+}$ in YAl$_{3}$(BO$_{3}$)$_{4}$ are influenced by their concentrations, and the concentration quenching effect is observed. Energy transfer from Ce$^{3+}$ to Dy$^{3+}$ in YAl$_{3}$(BO$_{3}$)$_{4}$ is validated and proved to be a resonant type via a quadrupole-quadrupole interaction, and the emission color can be tuned from blue to white by tuning the ratio of Ce$^{3+}$/Dy$^{3+}$. Moreover, the critical distance (R $_{c}$) of Ce$^{3+}$ to Dy$^{3+}$ in YAl$_{3}$(BO$_{3}$)$_{4}$ is calculated to be 1.904 nm.
Starting Page	111
Ending Page	115
Page Count	5
File Format	PDF
ISSN	16731905
Journal	Optoelectronics Letters
Volume Number	11
Issue Number	2
e-ISSN	19935013
Language	English
Publisher	Tianjin University of Technology
Publisher Date	2015-03-15
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Electronic, Optical and Magnetic Materials Condensed Matter Physics Atomic and Molecular Physics, and Optics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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