云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(10774140)

国家自然科学基金(10774140): 作品数：20被引量：48H指数：4; 导出分析报告; 相关作者：尹民郭常新王林香祝恒江曹雪琴更多>>; 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》《Transactions of Nonferrous Metals Society of China》《Chinese Physics B》《光谱学与光谱分析》更多>>; 相关主题：RARE_EARTHSPHOSPHORY2O3LUMINESCENTLU更多>>; 相关领域：理学一般工业技术化学工程电子电信更多>>

Energy transfer in Tb^(3+),Yb^(3+) codoped Lu_2O_3 near-infrared downconversion nanophosphors被引量：3: 《Journal of Rare Earths》2012年第3期197-201,共5页李丽韦先涛陈永虎郭常新尹民; Project supported by National Natural Science Foundation of China (10774140, 11047147, 11074245, 11011120083);Knowledge Innovation Project of The Chinese Academy of Sciences (KJCX2-YW-M11);the Natural Science Foundation of Chongqing Municipal Education Commission (KJTD201016, KJ090514); Tb3＋ and Yb3＋ codoped Lu2O3 nanophosphors were synthesized by the reverse-strike co-precipitation method. The obtained Lu2O3：Tb3＋,Yb3＋ nanophosphors were characterized by X-ray diffraction （XRD） and photolumine...; 关键词：Lu2O3：Tb3＋ Yb3＋ nanophosphors precipitation downconversion cooperative energy transfer rare earths

Synthesis and upconversion luminescence of Lu_2O_3:Yb^(3+),Tm^(3+) nanocrystals被引量：5: 《Transactions of Nonferrous Metals Society of China》2012年第2期373-379,共7页李丽曹雪琴张友郭常新; Foundation item: Projects (10704090,10774140,11047147)supported by the National Natural Science Foundation of China;Projects (KJ090514,KJTD201016)supported by the Natural Science Foundation of Chongqing Municipal Education Commission,China; Lutetium oxide nanocrystals codoped with Tm3＋ and Yb3＋ were synthesized by the reverse-like co-precipitation method, using ammonium hydrogen carbonate as precipitant. Effects of the Tm3＋, Yb3＋ molar fractions and ...; 关键词：Lu2O3：yb3＋ Tm3＋nanocrystal co-precipitation method upconversion luminescence

Experimental and theoretical analysis on the charge transfer band of Y_2O_3:Eu nanocrystals: 《Journal of Rare Earths》2011年第11期1009-1012,共4页吴凌远闻军覃延广尹民夏上达艾孜提艾力; Project supported by National Natural Science Foundation of China (10774140,11074245,11011120083);Knowledge Innovation Project of the Chinese Academy of Sciences (KJCX2-YW-M11);Special Foundation for Talents of Anhui Province,China (2007Z021); Nanocrystalline cubic Y2O3：Eu were prepared by combustion reaction.The crystal structure and morphology were analyzed by means of X-ray diffraction（XRD） and transmission electron microscopy（TEM）.The luminescent p...; 关键词：Y2O3：Eu combustion method REDSHIFT charge transfer ab initio calculation rare earths

Increased downconversion efficiency and improved near infrared emission by different charge compensations in CaMoO_4:Yb^(3+) powders被引量：2: 《Journal of Rare Earths》2011年第11期1029-1035,共7页曹雪琴魏涛陈永虎尹民郭常新张慰萍; Project supported by the National Natural Science Foundation of China (10774140,11074245,11011120083);Knowledge Innovation Project of the Chinese Academy of Sciences (KJCX2-YW-M11);Special Foundation for Talents of Anhui Province,China (2007Z021); All of the samples were synthesized by sol-gel methods.Two approaches to charge compensation,（i） 2Ca2＋→Yb3＋＋M＋,where M＋ is an alkali ion like Li＋,Na＋ and K＋,and（ii） indirect charge compensation：3Ca2＋→2...; 关键词：DOWNCONVERSION MOLYBDATES charge transfer Yb3＋ rare earths

Lu_2O_3∶Eu^(3+)纳米粉末及透明陶瓷的制备及其发光性能被引量：7: 《发光学报》2011年第9期913-919,共7页王林香祝恒江尹民; 国家自然科学基金(10774140);中国科学院知识创新工程重要方向项目(KJCX2-YW-M11);新疆师范大学博士科研启动基金(xjnubs-1011)资助项目; 采用共沉淀法和溶剂热法制备了Lu2O3∶Eu3+纳米粉体,通过X射线衍射谱、傅里叶变换红外光谱和扫描电镜照片,比较了两种方法制备的Lu2O3∶Eu3+粉末的微观结构,测量和比较合成粉体的激发与发射光谱。将获得的Lu2O3∶Eu3+煅烧粉体在不使用...; 关键词：Lu2O3∶Eu3+ 透明陶瓷光致发光荧光衰减

Strong dependence of upconversion luminescence on doping concentration in holmium and ytterbium co-doped Y_2O_3 phosphor被引量：2: 《Journal of Rare Earths》2011年第6期536-539,共4页韦先涛李勇程学瑞陈永虎尹民; Project supported by National Natural Science Foundation of China (10774140, 10904139, 11074245 and 11011120083);Knowledge Innovation Project of The Chinese Academy of Sciences (KJCX2-YW-M11);China Postdoctoral Science Foundation (20100480693);Special Founda-tion for Talents of Anhui Province, China (2007Z021); Under the excitation of 980 nm diode laser, intense green emission （5F4＋5S2–5I8） of Ho3＋ was observed in Ho3＋ and Yb3＋ co-doped cubic Y2O3. The doping concentration and laser power dependence of the upconverted...; 关键词：upconversion luminescence Y2O3 HOLMIUM SOL-GEL rare earths

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

Quenching mechanism of Er^(3+) emissions in Er^(3+)-and Er^(3+)/Yb^(3+)-doped SrAl_(12)O_(19) nanophosphors被引量：2: 《Journal of Rare Earths》2011年第3期202-206,共5页闫武钊陈永虎尹民; supported by National Natural Science Foundation of China(10774140,11011120083);Knowledge Innovation Project of the Chinese Academy of Sciences(KJCX2-YW-M11);Special Foundation for Talents of Anhui Province,China(2007Z021); Nanoscaled SrAl12O19：Er3＋ and SrAl12O19：Yb3＋,Er3＋ phosphors were synthesized by a combustion method.The emission intensities of every sample were compared by a new method with the emission of codoped Gd3＋ ions a...; 关键词：ERBIUM YTTERBIUM GADOLINIUM SrAl12O19 near infrared nanoscaled phosphor rare earths

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

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

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

国家自然科学基金(10774140)

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

国家自然科学基金(10774140)

检索结果分析

下载全文

用户登录

高级检索检索式检索