A novel white-bluish emitting phosphor of (Ba_(0.49)Sr_(0.49))_2B_2P_2O_(10):0.02Eu^(2+) for white LEDs

A novel white-bluish emitting phosphor of (Ba_(0.49)Sr_(0.49))_2B_2P_2O_(10):0.02Eu^(2+) for white LEDs

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摘要 A novel white-bluish emitting phosphor of (Ba0.49Sr0.49)2B2P2O10:0.02Eu2+ is synthesized by the solid state reaction. (Ba0.49Sr0.49)2B2P2O10:0.02Eu2+ can be effectively excited by 370 nm ultraviolet (UV) light, and exhibits two emission bands at 430 nm and 522 nm which are attributed to the d-f transitions of the Eu2+ ions in two different cation sites in the host lattices. And the chromaticity coordinate of (Ba0.49Sr0.49)2B2P2O10:0.02Eu2+ phosphor is (0.29, 0.25). A novel white-bluish emitting phosphor of （Ba0.49Sr0.49）2B2P2O10：0.02Eu2＋ is synthesized by the solid state reaction. （Ba0.49Sr0.49）2B2P2O10：0.02Eu2＋ can be effectively excited by 370 nm ultraviolet （UV） light, and exhibits two emission bands at 430 nm and 522 nm which are attributed to the d-f transitions of the Eu2＋ ions in two different cation sites in the host lattices. And the chromaticity coordinate of （Ba0.49Sr0.49）2B2P2O10：0.02Eu2＋ phosphor is （0.29, 0.25）.

作者庞立斌高少杰高占军李红莲王志军

机构地区 Department of Foreign Language Teaching and Research College of Physics Science & Technology College of Quality & Technical Supervision

出处《Optoelectronics Letters》 EI 2013年第4期282-284,共3页 光电子快报（英文版）

基金 the Natural Science Foundation of Hebei Province in China (No.D2012201115)

关键词荧光粉白光LED 色偏固相反应合成发射光谱掺杂离子色度坐标紫外线

分类号 TN104.3 [电子电信—物理电子学] TN312.8 [电子电信—物理电子学]

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Optoelectronics Letters

2013年第4期

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A novel white-bluish emitting phosphor of (Ba_(0.49)Sr_(0.49))_2B_2P_2O_(10):0.02Eu^(2+) for white LEDs

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