Charge transfer luminescence of several zirconium-containing compounds using synchrotron radiation

De Yin Wang; Teng-Ming Chen; Bing Ming Cheng

doi:10.1149/1.3605475

Charge transfer luminescence of several zirconium-containing compounds using synchrotron radiation

De Yin Wang^*, Teng-Ming Chen, Bing Ming Cheng

^*Corresponding author for this work

Department of Applied Chemistry

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

3 Scopus citations

Abstract

Photoluminescence properties of pristine and Eu²-doped zirconates, viz. BaZr(PO₄)₂, BaZr₄(PO ₄)₆, Ba₂Zr₂Si₃O ₁₂, and Ca₃ZrSi₂O₉, excited by vacuum ultraviolet (VUV) light using synchrotron radiation were studied. The undoped zirconates show self-activated emission in the 300-340 nm region under VUV excitation, which is ascribed to the Zr⁴-O^2- charge transfer luminescence. Upon doping Eu² into these compounds, no Eu² emission was observed in the rest of compounds, except for a weak Eu² emission observed in Ba₂Zr₂Si ₃O₁₂:Eu². The quenching of Eu² luminescence is rationalized as the presence of Zr⁴-Eu² metal-metal charge transfer.

Original language	English
Journal	Electrochemical and Solid-State Letters
Volume	14
Issue number	9
DOIs	https://doi.org/10.1149/1.3605475
State	Published - 18 Jul 2011

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@article{8edc3caa52d94da789fc6237ed6892cf,

title = "Charge transfer luminescence of several zirconium-containing compounds using synchrotron radiation",

abstract = "Photoluminescence properties of pristine and Eu2-doped zirconates, viz. BaZr(PO4)2, BaZr4(PO 4)6, Ba2Zr2Si3O 12, and Ca3ZrSi2O9, excited by vacuum ultraviolet (VUV) light using synchrotron radiation were studied. The undoped zirconates show self-activated emission in the 300-340 nm region under VUV excitation, which is ascribed to the Zr4-O2- charge transfer luminescence. Upon doping Eu2 into these compounds, no Eu2 emission was observed in the rest of compounds, except for a weak Eu2 emission observed in Ba2Zr2Si 3O12:Eu2. The quenching of Eu2 luminescence is rationalized as the presence of Zr4-Eu2 metal-metal charge transfer.",

author = "Wang, {De Yin} and Teng-Ming Chen and Cheng, {Bing Ming}",

year = "2011",

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journal = "Electrochemical and Solid-State Letters",

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T1 - Charge transfer luminescence of several zirconium-containing compounds using synchrotron radiation

AU - Wang, De Yin

AU - Chen, Teng-Ming

AU - Cheng, Bing Ming

PY - 2011/7/18

Y1 - 2011/7/18

N2 - Photoluminescence properties of pristine and Eu2-doped zirconates, viz. BaZr(PO4)2, BaZr4(PO 4)6, Ba2Zr2Si3O 12, and Ca3ZrSi2O9, excited by vacuum ultraviolet (VUV) light using synchrotron radiation were studied. The undoped zirconates show self-activated emission in the 300-340 nm region under VUV excitation, which is ascribed to the Zr4-O2- charge transfer luminescence. Upon doping Eu2 into these compounds, no Eu2 emission was observed in the rest of compounds, except for a weak Eu2 emission observed in Ba2Zr2Si 3O12:Eu2. The quenching of Eu2 luminescence is rationalized as the presence of Zr4-Eu2 metal-metal charge transfer.

AB - Photoluminescence properties of pristine and Eu2-doped zirconates, viz. BaZr(PO4)2, BaZr4(PO 4)6, Ba2Zr2Si3O 12, and Ca3ZrSi2O9, excited by vacuum ultraviolet (VUV) light using synchrotron radiation were studied. The undoped zirconates show self-activated emission in the 300-340 nm region under VUV excitation, which is ascribed to the Zr4-O2- charge transfer luminescence. Upon doping Eu2 into these compounds, no Eu2 emission was observed in the rest of compounds, except for a weak Eu2 emission observed in Ba2Zr2Si 3O12:Eu2. The quenching of Eu2 luminescence is rationalized as the presence of Zr4-Eu2 metal-metal charge transfer.

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