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Eu2+ Luminescence in BaZnAl10O17∶ Eu Phosphor 胡爱平1,曾冬铭1,舒万艮1 (1.College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract:Eu2+-doped BaZnAl10O17...; coprecipitation; BaZnAl10O17∶Eu2+; phosphor; [全文内容正在添加中] ......
SrAl2O4∶Eu2+, Nd3+ and Dy3+ Long Afterglow Phosphor 何大伟1,崔兴龙1,吕菁华2 (1.Ministry of Education Key Laboratory, Labatory of Materials for Information Storage and Display Institute of Photo-Electronic Technology Northern Jiaotong University, Beijing 100044, China;2.Hulan Branch, Harbin Normal University, Harbin 150500, China) Abstract:The SrAl2O4∶Eu2+, Nd3+ and SrAl2O4∶Eu2+, Dy3+ long afterglow......
Optical properties of Eu2+-doped strontium borate glasses containing F- and Li+ ions HUANG Yanlin1,JIANG Chuanfang1,WANG Xigang1,JANG Kiwan2 (1.School of Material Engineering, Soochow University... were investigated at room temperature. The as-prepared glasses had two kinds of Eu ions, i.e., Eu2+ and Eu3+. Compared with the reported results of strontium borate glasses, Eu2+ luminescence......
Long Lasting Phosphorescence in Eu2+ and Ce3+ Co-Doped Strontium Borate Glasses Su Qiang1,Zhang Lan1,Li Chengyu1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute... University, Guangzhou 510275, China) Abstract:Long lasting phosphorescence (LLP) was observed in Eu2+, Ce3+ co-doped strontium borate glasses prepared under the reducing atmosphere due to the emission......
BRIGHT LONG AFTERGLOW PHOSPHORESCENCE GLASS MADE OF SrAl2O4: Eu2+, Dy3+ AND GLASS FRITS X.C. Wang1,L.P. Lu1,Z.F. Cao1,X.Y. Zhang1,Z.H. Bai1,W.Z. Wang1 (1.Department of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, China) Abstract:Bright long afterglow phosphorescence glasses were prepared by using SrAl2O4 : Eu2+, Dy3+ phosphors......
Synthesis and luminescent properties of low oxygen contained Eu2+-doped Ca-α-SiAlON phosphor from calcium cyanamide reduction Takashi Horikawa1,Hiromasa Hanzawa1,PIAO Xianqing1,Ken-ichi Machida1... to synthesize the Eu2+ activated Ca-α-SiAlON phosphors containing low oxygen content. The luminescence properties of the obtained products were investigated for white LEDs application. The critical Eu2......
Eu2+在多铝酸钠体系中的发光 冯德雄1,周光梅1,杨培慧1,石春山2,刘应亮1 (1.暨南大学化学系,广州,510632;2.中国科学院长春应用化学研究所稀土化学与物理开放实验室,长春,130022) 摘要:应用高温固相法合成了Na的多铝酸盐,并研究了Eu2+在体系中的发光性能. 结果表明,Na1+xMgAl11-xO17体系在整个组成范围内保持Na的β-Al2O3结构不变,而对于Na1.67-2xBaxAl10.33O17体系,在x=0.30附近体系结构发生转变,x0.30,体系形成Ba的β-Al2O3结构的有序体;与体系组成和结构的变化相对应,Eu2+的发射能量和发光强度产生相应的变化,在Na的β-Al2O3中Eu2+存在高,低能两种发射中心;通过系列化研究,获得了新的组成的,具有β-Al2O3结构的荧光体Na0.67Ba0.50Mg0.67Al10.33O17:Eu2......
Preparation and Luminescence Properties of the New Long Phosphorescent Phosphors Ba1-xCaxAl2O4∶Eu2+,Dy3+ 成正维1,何大伟1,刘端阳1,邓朝勇1,刘春棠1,李少霞1,康凯1 (1.Key Lab of Materials for Information Storage and Display, Institute of Optoelectronic Technology, Beijing Jiao Tong University, Beijing 100044, China) Abstract:New long phosphorescent phosphors Ba1-xCaxAl2O4∶Eu2+, Dy3+ with tunable color emission were......
Mg2+离子对Sr2Al2SiO7∶Eu2+荧光体微结构及发光性能的影响 刘会基1,蒙延双1,王达健3,巨少华1,武浚1 (1.国家镍钴新材料工程技术研究中心,甘肃,兰州,730101;2.金川镍钴研究设计院,甘肃,兰州,730101;3.天津理工大学,材料物理研究所,天津,300191) 摘要:采用复合胶体喷雾工艺制备了Sr2Al2SiO7∶Eu2+荧光体及掺入Mg离子后Sr2-xMgxAl2SiO7∶Eu2+(x=0.1, 0.2, 0.4, 0.6, 0.8, 1.0)荧光体.XRD分析及晶格常数计算结果表明,Eu2+离子部分取代Sr2+格位进入Sr2Al2SiO7晶格.Sr2Al2SiO7∶Eu2+荧光体激发谱由峰值位于326nm附近的宽带构成,属于Eu2+的4f→5d 跃迁吸收带;发射光谱主峰位于约500nm,属于Eu2+离子4f65d→4f7跃迁导致的宽带发射.XRD结......
Eu2+激活的碱土金属铝酸盐磷光体的研究进展 吴召平1,耿杰1 (1.中国科学院上海硅酸盐研究所,上海,200050) 摘要:主要概述了Eu2+激活的碱土金属铝酸盐磷光体的光谱特性,总结了近年来在铝酸盐基质研究以及长余辉机理研究等方面所取得的进展,同时对今后的研究提出了展望. 关键词:磷光体; 碱土金属铝酸盐; 长余辉; Eu2+激活; 陷阱; 晶体结构; [全文内容正在添加中] ......