DMF effect on the morphology and the luminescence properties of Y2O3 Eu^3+ red phosphor prepared by spray pyrolysis[J]. Jour nal of Industrial and Engineering Chemistry, 2008,14 (2) : 224-229.Jung K Y,Kang Y C,Park Y K.DMF effect on the morphology and the luminescence properties of ...
Y2O3:Eu3+氧化物的制备与结构及其发光性能%Synthesis 、Structure and Spectrum Properties of Red Phosphor Y2O3:Eu3+ Oxide发光材料Y2O3:Eu3+结构发光性能对用草酸沉淀法制备的,不经球磨的红色发光材料Y2O3:Eu3+的结构和发光性能进行了研究.结果表明:该荧光粉大小分布均匀,一次粒径为4～6μm,最大激发峰位于238...
结果表明,当 n(Y3+):n(Eu3+)的比例为 100:5 时,其荧光强度最佳. TEM 分析表明, Y2O3:Eu3+粉末具有直径约 0.2~0.6 µm,长度为几到十几微米的棒状结构. 关键词:水热法;Y2O3;Y2O3:Eu3+;荧光性能;XRD 中图分类号:O482.31 文献标识码:A 文章编号:1009−606X(2010)06−0950−06 1 前言 氧化...
利用水热法合成了 Y2O3:Eu3+荧光粉,并对所制得的样品进行了XRD,SEM以及荧光光谱等表征.荧光测试结果表明,Eu3+掺杂浓度为5%时制备的 Y2O3:Eu3+荧光粉荧光强度最好.其最大发射峰位于612 nm,对应于Eu3+的5D0→7F2电偶极跃迁,最大激发波长为240 nm对应于从O2-的2p轨道到Eu3+的4f轨道的电荷转移跃迁.通过对...
酸沉淀法制备的,不球磨的YO:Eu"的结构和发 光特性. 1实验 1.1主要原料及试剂 荧光级YO,EuO为江苏江阴加华稀土新材 料公司提供,精制草酸为武汉市中南化学试剂厂提 供,其他试剂均为分析纯,水为二次蒸馏水 1.2测试仪器 Ls一60l激光粒度仪,RF一540型荧光分光光 ...
Synthesis of Red Phosphor (Y2O3:Eu3+) from Waste Phosphor Sludge by Corecipitation Process[J]. Shigen-to-sozai.Jpn., 2002,118: 413–418 Article CAS Google Scholar T Hirajima, A Bissombolo, K Sasaki, K Nakayama, H Hirai, M Tsunekawa. Floatability of Rare Earth Phosphors from Waste ...
Synthesis of Red Phosphor (Y2O3:Eu3+) from Waste Phosphor Sludge by Corecipitation Process[J]. Shigen-to-sozai.Jpn., 2002,118: 413–418 Article CAS Google Scholar T Hirajima, A Bissombolo, K Sasaki, K Nakayama, H Hirai, M Tsunekawa. Floatability of Rare Earth Phosphors from Waste ...
Bi and Eu co-doped Y2O3 was used as a red phosphor with a very high efficiency synthesized by the solid state reaction and co-precipitation The emission spectrum consisted of a weak band at 581, 587, 593 and 599 nm corresponding to the 5D0 → 7F1 transition, with sharp peaks of maximum...
Preparation of Y2O3:Eu^3+ phosphor by molten salt assisted method Yan,YE Hong-qi,ZHUANG Wei-dong,HU Yun-sheng,ZHAO Chun-lei,LI Cui,GUO Song-xia.Preparation of Y2O3:Eu3+ phosphor by molten salt assisted method. Tr... - 《中国有色金属学会会刊:英文版》 被引量: 0发表: 2007年 Influence...
thinfilmphosphorsinapplicationofdisplaytechnology. Keywords:yttriumoxide;thinfilm;chemicalsolutiondeposition;luminescence;rareearths Red-emittingeuropium-dopedyttriumoxide(Y 2 O 3 :Eu 3+ ) isoneofthemostpromisingoxide-basedredphosphorsys- tems.Itisusefulinlighting,display ...