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国家教育部博士点基金(20060358054): 作品数：15被引量：43H指数：4; 导出分析报告; 相关作者：尹民韦先涛陈永虎王晓纯姜桂铖更多>>; 相关机构：中国科学技术大学新疆师范大学重庆邮电大学更多>>; 相关期刊：《Journal of Rare Earths》《光学学报》《Chinese Physics B》《光谱学与光谱分析》更多>>; 相关主题：LUMINESCENTYBRARE_EARTHSLUY2O3更多>>; 相关领域：理学一般工业技术机械工程化学工程更多>>

Y_2O_3:Er^(3+)的共沉淀法制备和pH值对发光性质的影响被引量：2: 《光谱学与光谱分析》2011年第3期612-616,共5页王晓纯任博郭常新姜桂铖尹民; 国家自然科学基金项目(10774140);中国科学院知识创新项目(KJCX2-YW-M11);高等学校博士学科点专项科研基金项目(20060358054);安徽省人才开发基金项目(2007Z021)资助; 采用共沉淀法,通过氨水调节沉淀剂碳酸氢铵的pH值,制备了一系列Y2O3:1%Er样品。傅里叶变换红外光谱以及元素分析表明,沉淀剂pH值在8.0～9.5之间变化时,前驱沉淀物化学结构基本不变;而X射线荧光谱仪分析与SEM形貌表征的结果表明,pH值改...; 关键词：共沉淀法 PH值 XRF SEM FTIR Y2O3:Er

Synthesis and Luminescent Properties of LuAG:Ce^(3+) Transparent Ceramics by Solvo-Thermal Method被引量：1: 《光谱学与光谱分析》2011年第2期308-313,共6页WANG Lin-xiang ZHU Heng-jiang WU Ling-yuan DENG Kai-mo GUO Chang-xin YIN Min; Project supported by National Nature Science Foundation of China(10774140);Knowledge Innovation Project of The Chinese Academy of Sciences(KJCX2-YW-M11);Specialized Research Fund for the Doctoral Program of Higher Education(20060358054);Special Foundation for Talents of Anhui Province,China(2007Z021); The precursor powders of LuAG∶Ce3+ transparent ceramics were synthesized by solvo-thermal method.The crystal structure and morphology of powders were analyzed by means of Fourier transform infra-red spectroscopy,X-ra...; 关键词：Solvo-thermal LuAG∶Ce3+ Transparent ceramics PHOTOLUMINESCENCE

下转换材料β—NaYF_4:Tb^(3+),Yb^(3+)的水热法合成和发光性质研究被引量：8: 《光谱学与光谱分析》2011年第2期331-334,共4页姜桂铖韦先涛王林香王晓纯陈永虎尹民; 国家自然科学基金项目(10774140;10904139);国家自然科学基金国际(地区)合作与交流项目(50711120504);中国科学院知识创新工程重要方向项目(KJCX2-YW-M11);高等学校博士学科点专项科研基金项目(20060358054);安徽省人才开发基金项目(2007Z021)资助; 利用水热法合成了粉末发光材NaYF4∶Tb3+,Yb3+。分别用X射线衍射(XRD),光致发光谱(PL)和激发谱(PLE)测试了合成材料的物相结构和发光性质。研究结果表明:合成的NaYF4∶Tb3+,Yb3+材料为六方相的晶体,无立方相的。改变Tb3+和Yb3+的掺杂浓...; 关键词：水热法下转换共合作能量传递

Eu^(3+)/Yb^(3+)共掺杂ZrO_2粉末的制备和发光性质研究被引量：5: 《光谱学与光谱分析》2010年第9期2312-2316,共5页程学瑞韦先涛陈永虎尹民; 国家自然科学基金项目(50332050;10774140;109041039);国家自然科学基金国际(地区)合作与交流项目(50711120504);高等学校博士学科点专项科研基金项目(20060358054);安徽省人才开发基金项目(2007Z021)资助; 利用共沉淀方法制备了Eu3+/Yb3+单掺和共掺的ZrO2粉体材料,研究了煅烧温度和掺杂浓度对结构和发光性质的影响。XRD结果表明:所制备单掺样品含有单斜相和四方相2种不同结构,随着热处理温度的升高,四方相向单斜相转变,经1 150℃处理后,四...; 关键词：光致发光共沉淀 ZrO2∶Eu3+ Yb3+ 能量传递

Quantum cutting downconversion by cooperative energy transfer from Bi^(3+) to Yb^(3+) in Y_2O_3 phosphor被引量：2: 《Chinese Physics B》2010年第7期576-580,共5页韦先涛赵江波陈永虎尹民李勇; supported by the National Nature Science Foundation of China (Grant No. 10774140);the Knowledge Innovation Project of the Chinese Academy of Sciences (Grant No. KJCX2-YW-M11);the Specialized Research Fund for the Doctoral Program of Higher Education,China (Grant No. 20060358054);the Special Foundation for Talents of Anhui Province,China (GrantNo. 2007Z021); Bi3＋ and Yb3＋ codoped cubic Y2O3 phosphors are prepared by pechini sol-gel method. Strong near-infrared （NIR） emission around 980 nm from Yb3＋（2F5/2＋2 F7/2） is observed under ultraviolet light excitation. A b...; 关键词：DOWNCONVERSION cooperative energy transfer PHOTOLUMINESCENCE

Study of cerium ion in (Y_(0.95)La_(0.05))_2O_3:Ce: 《Journal of Rare Earths》2010年第4期534-537,共4页王晓纯张慰萍王林香游宝贵尹民; Project supported by the National Natural Science Foundation of China (10774140);Knowledge Innovation Project of the Chinese Academy of Sciences (KJCX2-YW-M11);Specialized Research Fund for the Doctoral Program of Higher Education (20060358054);Special Foundation for Talents of Anhui Province, China (2007Z021); (Y0.95La0.05)2O3: Ce3+ nano-powder was synthesized by co-precipitation method and sintered at 800 and 900 oC. All the samples were cubic phase characterized by X-ray diffraction (XRD) analysis. The samples sintered at...; 关键词：CERIUM LANTHANUM Y2O3 XPS EMISSION rare earths

Lu_2O_3:Yb^(3+),Tm^(3+)纳米晶的结构和上转换发光性能研究被引量：2: 《光学学报》2010年第7期1910-1915,共6页李丽韦先涛王晓纯陈永虎郭常新尹民; 国家自然科学基金(10774140;11011120083);中国科学院知识创新工程重要方向项目(KJCX2-YW-M11);高等学校博士学科点专项科研基金(20060358054);安徽省人才开发基金(2007Z021);重庆市教委科学技术研究项目(KJ090514)资助课题; 采用共沉淀法制备了Yb3+和Tm3+共掺杂的Lu2O3纳米晶,用X射线衍射(XRD)、场发射扫描电子显示镜(SEM)和上转换光谱对样品进行了表征。研究了Tm3+浓度和煅烧温度对粉末的结构和上转换发光性能的影响。结果表明,制备出的纳米晶具有纯的Lu2O3...; 关键词：Lu2O3:Yb3+ Tm3+纳米晶上转换发光共沉淀法

Cooperative energy transfer in Eu^(3+),Yb^(3+) codoped Y_2O_3 phosphor被引量：5: 《Journal of Rare Earths》2010年第2期166-170,共5页韦先涛赵江波张慰萍李勇尹民; supported by the National Natural Science Foundation of China (10774140);Knowledge Project of the Chinese Academy of Sciences (KJCX2-YW-M11);Specialized Research Fund for the Doctoral Program of Higher Education (20060358054);Special Foundation for Talents of Anhui Province,China (2007Z021); Under 980 nm laser excitation,red emission(5D0-7FJ(J=0,1,2)) of Eu3+ was observed in cubic Y2O3 codoped with Eu3+ and Yb3+.The dependence of the upconverted emission on doping concentration and laser power was studied...; 关键词：cooperative energy transfer Y2O3:Eu3+ YB3+ UPCONVERSION SOL-GEL rare earths

Synthesis and luminescent properties of Ce^(3+) doped LuAG nano-sized powders by mixed solvo-thermal method被引量：12: 《Journal of Rare Earths》2010年第1期-,共6页王林香尹民郭常新张慰萍; supported by National Natural Science Foundation of China (10774140);Knowledge Innovation Project of the Chinese Academy of Sciences (KJCX2-YW-M11);Specialized Research Fund for the Doctoral Program of Higher Education (20060358054);Special Foundation for Talents of Anhui Province,China (2007Z021); Polycrystalline LuAG:Ce3+(cerium3+-doped lutetium aluminum garnet) powders were prepared by mixed solvo-thermal method.Fourier-transform IR spectroscopy(FTIR) and X-ray diffraction(XRD) measurements showed that the pr...; 关键词：LuAG:Ce3+ phosphors HYDROTHERMAL mixed solvo-thermal method photoluminescence rare earths

Influence of dispersant on Y_2O_3:Eu^(3+) powders synthesized by combustion method被引量：3: 《Journal of Rare Earths》2009年第6期879-885,共7页王超男赵江波李勇张慰萍尹民; supported by the National Natural Science Foundation of China (10774140);Knowledge Innovation Project of the Chinese Academy of Sciences (KJCX2-YW-M11);Specialized Research Fund for the Doctoral Program of Higher Education (20060358054);Special Foundation for Talents of Anhui Province,China (2007Z021); Y2O3:Eu3+ powders were synthesized by combustion method and the influence of dispersant was investigated.XRD analysis indicated that the particle size increased with a small amount of dispersant firstly and then decre...; 关键词：Y2O3 COMBUSTION PEG2000 rare earths

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