Sensitized luminescence and energy transfer in Ce3+ and Eu2+ codoped calcium magnesium chlorosilicate

H. Lin; X. R. Liu; E. Y.B. Pun

doi:10.1016/S0925-3467(01)00179-3

Sensitized luminescence and energy transfer in Ce³⁺ and Eu²⁺ codoped calcium magnesium chlorosilicate

H. Lin
, X. R. Liu
, E. Y.B. Pun^*

^*Corresponding author for this work

City University of Hong Kong
CAS - Changchun Institute of Optics Fine Mechanics and Physics

Research output: Contribution to journal › Article › peer-review

70 Scopus citations

Abstract

Ce³⁺ and Eu²⁺ ions codoped calcium magnesium chlorosilicate [Ca₈Mg(SiO₄)₄Cl₂] phosphors have been synthesized and characterized. Intense bluish-green light was observed under ultraviolet and blue light excitations. The diffuse reflection, excitation and emission spectra of Ca₈Mg(SiO₄)₄Cl₂: Ce³⁺,Eu²⁺ were measured at room temperature, and enhancement of Eu²⁺ emission was confirmed. The fluorescence lifetimes of Ce³⁺ were measured, and the mechanism of nonradiative energy transfer from Ce³⁺ to Eu²⁺ is found to be electric dipole-dipole interaction. The probabilities and efficiencies of nonradiative energy transfer were also calculated, and the results indicate that the efficiency can be as high as 86% in this material system.

Original language	English
Pages (from-to)	397-401
Number of pages	5
Journal	Optical Materials
Volume	18
Issue number	4
DOIs	https://doi.org/10.1016/S0925-3467(01)00179-3
State	Published - Jan 2002
Externally published	Yes

Keywords

Calcium magnesium chlorosilicate
Ce
Energy transfer
Eu
Sensitized luminescence

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10.1016/S0925-3467(01)00179-3

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title = "Sensitized luminescence and energy transfer in Ce3+ and Eu2+ codoped calcium magnesium chlorosilicate",

abstract = "Ce3+ and Eu2+ ions codoped calcium magnesium chlorosilicate [Ca8Mg(SiO4)4Cl2] phosphors have been synthesized and characterized. Intense bluish-green light was observed under ultraviolet and blue light excitations. The diffuse reflection, excitation and emission spectra of Ca8Mg(SiO4)4Cl2: Ce3+,Eu2+ were measured at room temperature, and enhancement of Eu2+ emission was confirmed. The fluorescence lifetimes of Ce3+ were measured, and the mechanism of nonradiative energy transfer from Ce3+ to Eu2+ is found to be electric dipole-dipole interaction. The probabilities and efficiencies of nonradiative energy transfer were also calculated, and the results indicate that the efficiency can be as high as 86\% in this material system.",

keywords = "Calcium magnesium chlorosilicate, Ce, Energy transfer, Eu, Sensitized luminescence",

author = "H. Lin and Liu, \{X. R.\} and Pun, \{E. Y.B.\}",

year = "2002",

month = jan,

doi = "10.1016/S0925-3467(01)00179-3",

language = "英语",

volume = "18",

pages = "397--401",

journal = "Optical Materials",

issn = "0925-3467",

publisher = "Elsevier B.V.",

number = "4",

}

TY - JOUR

T1 - Sensitized luminescence and energy transfer in Ce3+ and Eu2+ codoped calcium magnesium chlorosilicate

AU - Lin, H.

AU - Liu, X. R.

AU - Pun, E. Y.B.

PY - 2002/1

Y1 - 2002/1

N2 - Ce3+ and Eu2+ ions codoped calcium magnesium chlorosilicate [Ca8Mg(SiO4)4Cl2] phosphors have been synthesized and characterized. Intense bluish-green light was observed under ultraviolet and blue light excitations. The diffuse reflection, excitation and emission spectra of Ca8Mg(SiO4)4Cl2: Ce3+,Eu2+ were measured at room temperature, and enhancement of Eu2+ emission was confirmed. The fluorescence lifetimes of Ce3+ were measured, and the mechanism of nonradiative energy transfer from Ce3+ to Eu2+ is found to be electric dipole-dipole interaction. The probabilities and efficiencies of nonradiative energy transfer were also calculated, and the results indicate that the efficiency can be as high as 86% in this material system.

AB - Ce3+ and Eu2+ ions codoped calcium magnesium chlorosilicate [Ca8Mg(SiO4)4Cl2] phosphors have been synthesized and characterized. Intense bluish-green light was observed under ultraviolet and blue light excitations. The diffuse reflection, excitation and emission spectra of Ca8Mg(SiO4)4Cl2: Ce3+,Eu2+ were measured at room temperature, and enhancement of Eu2+ emission was confirmed. The fluorescence lifetimes of Ce3+ were measured, and the mechanism of nonradiative energy transfer from Ce3+ to Eu2+ is found to be electric dipole-dipole interaction. The probabilities and efficiencies of nonradiative energy transfer were also calculated, and the results indicate that the efficiency can be as high as 86% in this material system.

KW - Calcium magnesium chlorosilicate

KW - Ce

KW - Energy transfer

KW - Eu

KW - Sensitized luminescence

UR - https://www.scopus.com/pages/publications/0036131851

U2 - 10.1016/S0925-3467(01)00179-3

DO - 10.1016/S0925-3467(01)00179-3

M3 - 文章

AN - SCOPUS:0036131851

SN - 0925-3467

VL - 18

SP - 397

EP - 401

JO - Optical Materials

JF - Optical Materials

IS - 4

ER -

Sensitized luminescence and energy transfer in Ce³⁺ and Eu²⁺ codoped calcium magnesium chlorosilicate

Abstract

Keywords

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