Enhanced photoluminescent properties and crystalline morphology of LiBaPo4: Tm3+ phosphor through microwave sintering method

Hsuan Lin Lai, Min Hang Weng, Ru Yuan Yang, Shoou Jinn Chang

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

An investigation of the photoluminescent properties and crystalline morphology of blue emitting LiBa1-xPO4:xTm3+ phosphors with various concentrations (x = 0.005-0.030) of Tm3+ ions were synthesized by microwave sintering. For comparison, the LiBa1-xPO4:xTm3+ powders sintered at the same sintering condition but in a conventional furnace were also investigated. LiBaPO4 without second phase was formed no matter which furnace was used. More uniform grain size distributions are obtained by microwave sintering. When the concentration of Tm3+ ion was x = 0.015, the luminescence intensity reached a maximum value, and then decreased with the increases of the Tm3+ concentration due to concentration quenching effect. The microwave sintering significantly enhanced the emission intensity of LiBa1-xPO4:xTm3+ phosphors. Additionally, the d-d interaction is the key mechanism of concentration quenching for LiBaPO4:Tm3+. The chromaticity (x, y) for all LiBa1-xPO4:xTm3+ phosphors are located at (0.16, 0.05), which will be classified as a blue region.

原文English
文章編號356
期刊Materials
9
發行號5
DOIs
出版狀態Published - 2016

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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