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(11074245)

国家自然科学基金(11074245): 作品数：11被引量：19H指数：3; 导出分析报告; 相关作者：邓楷模姜桂铖韦先涛尹民陈永虎更多>>; 相关机构：中国科学技术大学更多>>; 相关期刊：《中国科学：物理学、力学、天文学》《Journal of Rare Earths》《Chinese Physics B》更多>>; 相关主题：DOWNCONVERSIONPHOSPHORYB3+CRYSTAL_FIELDCO-DOPED更多>>; 相关领域：理学一般工业技术电子电信更多>>

Luminescence properties of a single-host phosphor Ba_(1.8-w)Sr_wLi_(0.4)SiO_4:Ce^(3+),Eu^(2+),Mn^(2+) for WLED被引量：6: 《Journal of Rare Earths》2013年第3期227-230,共4页黄山韦先涛陈永虎尹民; Project supported by National Natural Science Foundation of China (11074245,10904139,11204292); In order to obtain a single-host-white-light phosphor, a series of Bal.8 -x-y-zSrwLi0.4xCexEuyMnzSi04 （BSLS：Ce3＋,Eu2＋, Mn2＋） powder samples were synthesized via high temperature solid-state reaction. The structu...; 关键词：photoluminescence barium strontium lithium silicate energy transfer single-host-white-light phosphor WLED rare earths

Broadband downconversion in YVO_4:Tm^(3+),Yb^(3+) phosphors被引量：1: 《Journal of Rare Earths》2013年第1期27-31,共5页姜桂铖韦先涛陈永虎段昌奎尹民; Project supported by the National Key Basic Research Program of China (2013CB921800);the National Natural Science Foundation of China (11074245, 11204292, 11274299);the Fundamental Research Funds for the Central Universities (WK2030020022); An efficient near-infrared （NIR） downconversion （DC） by converting broadband ultraviolet （UV） into NIR was demon- strated in YVO4：Tma＋,yb3＋ phosphors. The phosphors were extensively characterized using variou...; 关键词：DOWNCONVERSION YVO4：Tm3＋ yb3＋ energy transfer rare earths

Photoluminescence studies of Eu^(2+)-Yb^(3+) co-doped BaMgAl_(10)O_(17) phosphor synthesized by the combustion method被引量：1: 《Journal of Rare Earths》2012年第12期1213-1216,共4页吴凌远田秀娜韦先涛陈永虎尹民; Project supported by National Natural Science Foundation of China (11074245, 11074315, 11204292, 11174005);the Fundamental Research Funds for the Central Universities (2340000034);the Funding of Creative Youth by University of Science &Technology of China; BaMgAl10Ol7：Eu^2＋,Yb^3＋ was investigated as a possible quantum cutting system to enhance solar cells efficiency. Phosphors were synthesized by combustion method and composed of nanorods. Photoluminescence spectra s...; 关键词：BAM combustion method DOWNCONVERSION energy transfer rare earths

稀土掺杂的光谱转换材料及其应用被引量：3: 《中国科学：物理学、力学、天文学》2012年第11期1112-1123,共12页韦先涛姜桂铖邓楷模陈永虎段昌奎尹民; 国家自然科学基金(批准号:11074245;11074315;10904139);中央高校基本科研业务费专项资金(批准号:2340000034)资助项目; 以LED红色荧光粉材料、近红外下转换材料和上转换生物荧光标记材料为主线,结合我们实验室近期具体的相关研究工作,对稀土掺杂的光谱转换材料及其潜在的应用前景进行了简要介绍.在LED红色荧光粉材料方面,以Eu3+掺杂的红色荧光材料为对象...; 关键词：光谱转换材料稀土发光上转换 LED荧光粉

First-principles study of the local structure and crystal field of Yb^(2+) in sodium and potassium halides: 《Chinese Physics B》2012年第3期349-354,共6页闻军段昌奎尹民 Yu.V.Orlovskii 夏上达章永凡; Project supported by the National Natural Science Foundation of China (Grant Nos. 11074315, 11074245, 90922022, and 11111120060);the Russian Foundation for Basic Research (Grant No. 11-02-91152);the European Social Fund (Grant No. MTT50); The local coordination structures around the doping Yb2＋ ions in sodium and potassium halides were calculated by using the first-principles supercell model. Both the cases with and without the charge compensation vac...; 关键词：sodium and potassium halides local coordination structure DISTORTION crystal-field parameters

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

Simulation of the f-d transitions of lanthanide ions in YPO_4 using quantum-chemical calculations: 《Chinese Physics B》2012年第1期471-475,共5页Hu Liu-Sen Wen Jun Yin Min Xia Shang-Da; Project supported by the National Natural Science Foundation of China(Grant Nos.10874173,10904139,11074315,11074245,11047147,and 11011120083); We constructed an effective one-electron Hamiltonian by using the 4f/5d energies and eigenvectors obtained from the first-principles calculation with the relativistic self-consistent discrete variational Slater softwa...; 关键词：crystal field SPECTROSCOPIC YPO4 ab initio

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

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

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