Improved photoluminescence properties of BaAl₂Si₂O₈:Eu³⁺,Tb³⁺ phosphors by doping Tb³⁺

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• 作者：K. Park ; ^{kspark@sejong.ac.kr} ; D.A. Hakeem
• 关键词：Powders ; chemical preparation ; Optical properties ; Microstructure-final ; Mixing
• 刊名：Ceramics International
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：43
• 期：5
• 页码：4725-4729
• 全文大小：624 K
• 卷排序：43

文摘

In this study, Ba0.88-xAl2Si2O8:0.12Eu3+, xTb3+(0≤x≤0.12) and Ba0.88Al2Si2O8:0.12Eu3+ phosphors are prepared by the solution combustion method. The phosphors crystallize in the hexagonal crystal system along with a space group of P6/mmm. The photoluminescence properties are substantially improved by the doping of Tb3+ ions to the Ba0.88Al2Si2O8:0.12Eu3+ phosphor, which is attributed to the efficient energy transfer from Tb3+ to Eu3+. The emission intensity at 612 nm of the Ba0.82Al2Si2O8:0.12Eu3+,0.06Tb3+ phosphor is over three times higher than that of the Ba0.88Al2Si2O8:0.12Eu3+ phosphor. The incorporation of Tb3+ to the Ba0.88Al2Si2O8:0.12Eu3+ phosphor is a highly promising way for enhancing photoluminescence properties.