Synthesis and photoluminescence properties of KBaY(BO3)2:Eu2+ bluish-green phosphor
作者： Rui Xu , Chenchen Shi , Yujun Liang , Shiqi Liu , Yingli Zhu
DOI: 10.1007/S10854-016-5674-Z
关键词:
摘要: The bluish-green KBaY(BO3)2:Eu2+ phosphors were prepared by high-temperature solid state reaction method. photoluminescence properties, concentration quenching and energy transfer as well the luminescence decays investigated. emission spectrum showed a single intensive band centered at 500 nm, which correspond to 4f 65d 1 → 4f 7 transition of Eu2+. optimal for Eu2+ in was determined be 0.03 mol. critical distance calculated 21.34 A. corresponding mechanism verified dipole–dipole interaction. And blue-shift behavior with increasing temperature analyzed configurational coordinate diagram. results indicate that have potential applications an ultraviolet-convertible phosphor due its effective excitation ultraviolet rang.
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