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题名: Effect of B2O3 on long-last phosphorescence of SrAl2O4:Eu2+,Dy3+
作者: Wang, YH(王育华); Song, Xinyu; Zhang, Shuihe
收录类别: EI
出版日期: 2009
会议名称: MRS International Materials Research Conference, IMRC 2008
会议日期: June 9, 2008 - June 12, 2008
会议地点: Chongqing, China
英文摘要: A series of Sr0.95Al2O4:Eu 2+0.22, Dy3+ 0.03·nB 2O3 (0≤n≤0.30) were prepared by a solid state reaction. The role of B2O3 on the photoluminescence (PL) properties of Sr0.95Al2O4:Eu2+ 0.02, Dy3+0.03 were evaluated with UV emission spectra and decay curves. B2O3 significantly improved the emission intensity and persistent luminescence time. The crystal environment and defects induced by B3+ doping were detected with IR spectra, thermoluminescence and positron annihilation (PA) methods. Some Al3+ were substituted by B3+ and a kind of defect complex cluster responsible for the long decay time was formed when the substitution of Al 3+ by B3+ occurs. © (2009) Trans Tech Publications, Switzerland.
关键词: Luminescence ; Aluminum ; Boron ; Boron compounds ; Emission spectroscopy ; Europium ; Materials science ; Positrons ; Reconnaissance aircraft ; Solid state reactions ; Decay curves ; Decay time ; Defect complexes ; Defects induced ; Dy3+ ; Emission intensities ; IR spectrum ; Persistent luminescence ; Photoluminescence properties ; SrAl2O4:Eu2+ ; UV emissions
作者部门: (1) Department of Material Science, School of Physics Science and Technology, Lanzhou University, Lanzhou 730000, China
通讯作者: Wang, Y. (wyh@lzu.edu.cn)
学科分类: Materials Science;Atomic and Molecular Physics;Physical Properties of Gases, Liquids and Solids;Inorganic Compounds;Organic Compounds;Chemical Reactions; Chemistry
会议录: Materials Science Forum
卷号: 610-613
页码: 403-407
出版者: TRANS TECH PUBLICATIONS LTD
出版地: STAFA-ZURICH
语种: 英语
DOI: 10.4028/www.scientific.net/MSF.610-613.403
ISSN号: 0255-5476
EI记录号: 20091612041185
IR记录号: 20091612041185
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内容类型: 会议论文
URI标识: http://ir.lzu.edu.cn/handle/262010/184806
Appears in Collections:物理科学与技术学院_会议论文

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Recommended Citation:
Wang, Yuhua,Song, Xinyu,Zhang, Shuihe. Effect of B2O3 on long-last phosphorescence of SrAl2O4:Eu2+,Dy3+[C]. 见:MRS International Materials Research Conference, IMRC 2008. Chongqing, China. June 9, 2008 - June 12, 2008.
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