国家自然科学基金(50872091)

作品数:12被引量:13H指数:2
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相关作者:田华王达健刘技文更多>>
相关机构:天津理工大学天津大学更多>>
相关期刊:《Optoelectronics Letters》《Journal of Rare Earths》《Chinese Physics B》《发光学报》更多>>
相关主题:EUPHOSPHORSEUROPIUMPHOSPHORRARE_EARTHS更多>>
相关领域:电子电信理学一般工业技术化学工程更多>>
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Energy transfer relation of a novel Ce^(3+)/Pr^(3+)/Eu^(3+) co-doped Sr_(2.975-x)La_xAlO_(4+x)F_(1-x) solid solution phosphor
《Chinese Physics B》2014年第10期546-550,共5页王延泽 马健 孙亮 李蕊 王达健 
Project supported by the National Natural Science Foundation of China(Grant Nos.21076161 and 50872091)
The photoluminescence properties and energy transfer of a new Ce3+/pr3+/Eu3+ co-doped solid-solution composi- tion of Sr2.975-xLaxAlO4+xF1-x (LSAF) phosphor are investigated. Upon doping Pr3+ into lattices of L...
关键词:energy transfer solid solution red emission PHOSPHOR 
Microwave-promoted pure host phase for red emission CaS:Eu^(2+) phosphor from single CaSO_4 precursor and the photoluminescence property
《Chinese Physics B》2014年第8期548-551,共4页马健 陆启飞 王延泽 卢志娟 孙亮 董晓菲 王达健 
Project supported by the National Natural Science Foundation of China(Grant Nos.21076161,50802062,and 50872091)
We report a novel approach to obtaining a classical blue-green excitable CaS:Eu2+ phosphor with desired red emission by microwave (MW) firing procedure in the absence of adding elemental sulphur. The disturbing ef...
关键词:red emission calcium sulfide microwave energy 
Direct white-light from core-shell-like sphere with Sr_3MgSi_2O_8:Eu^(2+),Mn^(2+) coated on Sr_2SiO_4:Eu^(2+)被引量:3
《Optoelectronics Letters》2013年第4期293-296,共4页李建 邓家春 陆启飞 王达健 
the National Natural Science Foundation of China (Nos.21076161, 50802062 and 50872091)
A method of color mixture for white light is presented with Sr3MgSi2O8:Eu2+, Mn2+ shell coated on Sr2SiO4:Eu2+ core by spray pyrolysis procedure. Upon near ultraviolet (NUV) excitation, a 550 nm band emission of Eu2+ ...
关键词:白光 球体 涂层  热分解过程 化学稳定性 发光二极管 显色指数 
Microwave firing-incubation of cage-like (Ba,Sr)_3MgSi_2O_8:0.06Eu^(2+),0.1Mn^(2+) sphere from sprayed template-free xerogel particles被引量:2
《Journal of Rare Earths》2013年第6期541-545,共5页王龄昌 陆启飞 李建 林承菓 曹利生 王达健 
supported by National Natural Science Foundation of China(21076161,50802062,50872091);Key Discipline of Materials Physics and Chemistry(Tianjin,China)(2006ZD30)
Morphology control of cage-like (Ba,Sr)3MgSi2O8:Eu,Mn luminous sphere in micrometer size with a simultaneous 660 nm/430 nm-featured band emission was investigated via microwave (MW) firing procedure. A firing tem...
关键词:rare earth ions phosphor luminescence MICROWAVE 
Multi-wavelength excitable europium-doped borosilicate glasses for orangered emission:composition-induced structure and valence variation被引量:1
《Journal of Rare Earths》2012年第5期408-412,共5页仇坤 田华 宋俊 毛智勇 王达健 
supported by National Natural Science Foundation of China (50872091,51102265);Key Discipline of Materials Physics and Chemis-try (Tianjin,China) (10SYSYJC28100)
Europium-doped borosilicate glasses were prepared by melt-quenching procedure in the air.The mixed valence of Eu 2+ and Eu 3+ was identified by photoluminescence spectrum and electron paramagnetic resonance(EPR).T...
关键词:borosilicate glasses luminescence valence state europium ion rare earths 
CaO-SiO_2绿光玻璃陶瓷荧光体的沉积组织结构对发光性质的影响(英文)
《发光学报》2011年第12期1251-1256,共6页田华 王达健 刘技文 
supported by the National Natural Science Foundation of China(50872091);Key Discipline of Materials Physics and Chemistry(Tianjin,China)(10SYSYJC28100)~~
采用半熔化-淬冷的一步法制备了一种新型的硅酸钙绿光玻璃陶瓷,通过变化在1 550℃的保温时间,研究了玻璃陶瓷中沉积的微观结构对发光性质的影响。延长保温时间,玻璃陶瓷中沉积的发光晶体β-Ca2 SiO4∶Eu2+和发光玻璃相的比例趋于减少,...
关键词:发光玻璃陶瓷 体析晶 β-Ca2SiO4∶Eu2+ 
Composition-induced valence variation of europium and the photoluminescence properties for Eu^(2+) doped borophosphate luminous glass in air
《Optoelectronics Letters》2011年第5期350-353,共4页仇坤 徐所成 田华 郑玺 吕天帅 陆启飞 王达健 
the National Natural Science Foundation of China(No.50872091);the Key Discipline of Materials Physics and Chemistry of Tianjin,(No.10SYSYJC28100)
A simultaneous blue-light and red-light emitting glass of SrO-B2O3-P2O5 doped with Eu2O3 is prepared in air, and then heat-treated without any reductive reagent. A transition combination is found to consist of a band ...
关键词:EUROPIUM Glass transition PHOTOLUMINESCENCE 
Incorporation of Si-Ninducing white light of SrAl_2Si_2O_8:Eu^(2+),Mn^(2+) phosphor for white light emitting diodes被引量:3
《Journal of Rare Earths》2011年第6期522-526,共5页郑玺 费沁妮 毛智勇 刘艳花 蔡毅 陆启飞 田华 王达健 
Project supported by the National Natural Science Foundation of China (50802062, 21076161, 50872091);Key Discipline of Materials Physics and Chemistry (Tianjin, China) (2006ZD30)
Photoluminescence (PL) and colorimetric properties of white-light emission SrAl2Si2O8:Eu2+,Mn2+ phosphor were tuned effectively through incorporating Si–N bond to the host in the form of Si3N4. A maximum solubil...
关键词:PHOSPHORS PHOTOLUMINESCENCE red shift white-light-emitting diode rare earths 
Influence of blue-light polarization on light scattering in nano-crystal luminescent glass for white light-emitting-diodes被引量:1
《Optoelectronics Letters》2010年第3期164-167,共4页李洪国 张颖涛 钟鼎 徐所成 费沁妮 王达健 
supported by the National Natural Science Foundation of China (No. 50872091);Tianjin Key Subject for Materials Physics and Chemistry (No. 2006ZD30,06YFJMJC02300)
The influence of the polarized state of blue light on light scattering in InGaN blue chip nano-crystal luminescent glass for solid state lighting is investigated.Based on Rayleigh-Debye approximation theory,theoretica...
关键词:白光发光二极管 纳米晶体 蓝色玻璃 光偏振态 光散射 入射光波长 有效折射率 发光玻璃 
Tuning the color purity of LaAlO_3:Eu^(3+) red phosphor by the cross relaxation
《Optoelectronics Letters》2010年第2期116-119,共4页毛智勇 王达健 刘艳花 费沁妮 郑玺 徐所成 仇坤 
supported by the National Natural Science Foundation of China (No.50872091);the Science and Technology Programs of Tianjin in China (No.2006ZD30)
Precisely adjusting the color purity of LaAlO3:Eu3+ red phosphor with 593 and 618 nm emissions is achieved in a strategy of suppressing transitions of high energy levels of Eu3+ ions through varying the doping concent...
关键词:红色荧光粉 色纯度 铕离子 铝酸镧 交叉弛豫 调谐 掺杂浓度 能量水平 
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