国家自然科学基金(20971042)

作品数:4被引量:14H指数:2
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相关作者:廉世勋余丽萍荣春英吴静周文理更多>>
相关机构:湖南师范大学更多>>
相关期刊:《Journal of Rare Earths》《无机化学学报》《高等学校化学学报》更多>>
相关主题:TB3+SR2MGSI2O7PHOSPHOREU3CE3更多>>
相关领域:理学化学工程电子电信更多>>
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Tricolor emitting and energy transfer in the phosphor Ba_2ZnSi_2O_7:Ce^(3+),Eu^(3+),Eu^(2+) for white-LED based near-UV chips被引量:2
《Journal of Rare Earths》2015年第5期463-468,共6页邓升智 邱忠贤 张茂美 周文理 张吉林 李承志 荣春英 余丽萍 廉世勋 
Project supported by the National Natural Science Foundation of China(20971042);Specialized Research Fund for the Doctoral Program of Higher Education(20124306120005,20134306120009);Hunan Provincial Natural Science Foundation of China(2015JJ2100);Scientific Research Fund of Hunan Provincial Education Department(13C012);Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province
The red, green and blue (R/G/B) tricolor emitting phosphors Ba2ZnSi2O7 co-doped with Ce3+and Eu3+were synthesized in air atmosphere by a conventional high temperature solid-state reaction technique. All of the exc...
关键词:rare earths Ba2ZnSi2O7:Eu Ce R/G/B tricolor emitting phosphor white-LEDs 
Ce3+,Tb3+,Eu3+共掺杂Sr2MgSi2O7体系的白色发光和能量传递机理被引量:8
《高等学校化学学报》2013年第2期306-312,共7页吴静 张吉林 周文理 荣春英 余丽萍 李承志 廉世勋 
国家自然科学基金(批准号:20971042);湖南省教育厅重点项目(批准号:10A070);湖南省高校科技创新团队支持计划(批准号:湘教通[2012]318号)资助
通过正交试验,采用高温固相法制备了Sr2-x-y-zMgSi2O7∶xCe3+,yTb3+,zEu3+系列样品.使用X射线衍射仪和荧光光谱仪表征了样品的物相和发光性质,并讨论了Ce3+-Tb3+-Eu3+共掺杂Sr2MgSi2O7体系中的能量传递过程.实验结果表明,在327 nm波长...
关键词:SR2MGSI2O7 Ce3+ Tb3+ Eu3+ 白色荧光粉 白光发光二极管(LED) 能量传递 
Sr_2MgSi_2O_7:Tb^(3+),Li~+荧光粉的合成和发光机理被引量:4
《无机化学学报》2012年第2期233-238,共6页陈茜 史元元 陈宁远 赵君风 荣春英 余丽萍 廉世勋 
国家自然科学基金(No.20971042);湖南省教育厅重点项目(No.10A070);国家大学生创新性实验计划(No.101054230)资助项目
采用高温固相法合成Sr2-mMg1-nSi2O7∶mTb3+,nLi+(m=0.03~0.50,n=m)系列荧光粉。使用X射线衍射仪和荧光光谱仪对样品的物相和发光性质进行了表征。在377 nm紫外光激发下,荧光粉的发射光谱呈多谱带发射,主峰位于490 nm,542 nm,590 nm和61...
关键词:Sr2MgSi2O7:Tb3+ 紫外光激发 LED 白光荧光粉 
A tunable yellow emission from three-band emission of singly doped single-phased phosphor BaY_2S_4:Ho^(3+)
《Journal of Rare Earths》2011年第5期436-439,共4页赵君风 陈茜 荣春英 余丽萍 廉世勋 
Project supported by the National Natural Science Foundation of China (20971042 and 50772035);the Science and Technology Office of Educa-tion Department of Hunan Province (10A070);the Science and Technology Bureau of Changsha City Government (K0902014-11)
The establishment of an approach to design tunable yellow emission through singly doped single-phased phosphors to obtain white LED-based InGaN chip was reported. BaY2–xS4:xHo3+ phosphors were prepared by the high ...
关键词:rare earths BaY2S4:Ho3+ yellow emission singly doped single-phased phosphor 
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