Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer
A series of Tb3+, Eu3+-doped Sr2MgSi2O7 (SMSO) phosphors were synthesized by high temperature solid-state reaction. X-ray diffraction (XRD) patterns, Rietveld refinement, photoluminescence spectra (PL), and luminescence decay curves were utilized to characterize each sample’s properties. Intense gr...
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doaj-a8b67cbfb8484c12bba4c18f182fe0b32020-11-24T22:55:23ZengMDPI AGMaterials1996-19442017-02-0110322710.3390/ma10030227ma10030227Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy TransferMinhong Li0Lili Wang1Weiguang Ran2Zhihan Deng3Jinsheng Shi4Chunyan Ren5Department of Chemistry and Pharmaceutical Science, Qindao Agricultural University, Qingdao 266109, ChinaDepartment of Chemistry and Pharmaceutical Science, Qindao Agricultural University, Qingdao 266109, ChinaDepartment of Chemistry and Pharmaceutical Science, Qindao Agricultural University, Qingdao 266109, ChinaDepartment of Chemistry and Pharmaceutical Science, Qindao Agricultural University, Qingdao 266109, ChinaDepartment of Chemistry and Pharmaceutical Science, Qindao Agricultural University, Qingdao 266109, ChinaDepartment of Chemistry and Pharmaceutical Science, Qindao Agricultural University, Qingdao 266109, ChinaA series of Tb3+, Eu3+-doped Sr2MgSi2O7 (SMSO) phosphors were synthesized by high temperature solid-state reaction. X-ray diffraction (XRD) patterns, Rietveld refinement, photoluminescence spectra (PL), and luminescence decay curves were utilized to characterize each sample’s properties. Intense green emission due to Tb3+ 5D4→7F5 transition was observed in the Tb3+ single-doped SMSO sample, and the corresponding concentration quenching mechanism was demonstrated to be a diople-diople interaction. A wide overlap between Tb3+ emission and Eu3+ excitationspectraresults in energy transfer from Tb3+ to Eu3+. This has been demonstrated by the emission spectra and decay curves of Tb3+ in SMSO:Tb3+, Eu3+ phosphors. Energy transfer mechanism was determined to be a quadrupole-quadrupole interaction. And critical distance of energy transfer from Tb3+ to Eu3+ ions is calculated to be 6.7 Å on the basis of concentration quenching method. Moreover, white light emission was generated via adjusting concentration ratio of Tb3+ and Eu3+ in SMSO:Tb3+, Eu3+ phosphors. All the results indicate that SMSO:Tb3+, Eu3+ is a promising single-component white light emitting phosphor.http://www.mdpi.com/1996-1944/10/3/227energy transfersingle-componentwhite light |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Minhong Li Lili Wang Weiguang Ran Zhihan Deng Jinsheng Shi Chunyan Ren |
spellingShingle |
Minhong Li Lili Wang Weiguang Ran Zhihan Deng Jinsheng Shi Chunyan Ren Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer Materials energy transfer single-component white light |
author_facet |
Minhong Li Lili Wang Weiguang Ran Zhihan Deng Jinsheng Shi Chunyan Ren |
author_sort |
Minhong Li |
title |
Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer |
title_short |
Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer |
title_full |
Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer |
title_fullStr |
Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer |
title_full_unstemmed |
Tunable Luminescence in Sr2MgSi2O7:Tb3+, Eu3+Phosphors Based on Energy Transfer |
title_sort |
tunable luminescence in sr2mgsi2o7:tb3+, eu3+phosphors based on energy transfer |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2017-02-01 |
description |
A series of Tb3+, Eu3+-doped Sr2MgSi2O7 (SMSO) phosphors were synthesized by high temperature solid-state reaction. X-ray diffraction (XRD) patterns, Rietveld refinement, photoluminescence spectra (PL), and luminescence decay curves were utilized to characterize each sample’s properties. Intense green emission due to Tb3+ 5D4→7F5 transition was observed in the Tb3+ single-doped SMSO sample, and the corresponding concentration quenching mechanism was demonstrated to be a diople-diople interaction. A wide overlap between Tb3+ emission and Eu3+ excitationspectraresults in energy transfer from Tb3+ to Eu3+. This has been demonstrated by the emission spectra and decay curves of Tb3+ in SMSO:Tb3+, Eu3+ phosphors. Energy transfer mechanism was determined to be a quadrupole-quadrupole interaction. And critical distance of energy transfer from Tb3+ to Eu3+ ions is calculated to be 6.7 Å on the basis of concentration quenching method. Moreover, white light emission was generated via adjusting concentration ratio of Tb3+ and Eu3+ in SMSO:Tb3+, Eu3+ phosphors. All the results indicate that SMSO:Tb3+, Eu3+ is a promising single-component white light emitting phosphor. |
topic |
energy transfer single-component white light |
url |
http://www.mdpi.com/1996-1944/10/3/227 |
work_keys_str_mv |
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1725656627608027136 |