水熱法制備YAGCe納米熒光粉

1、 .136.河北大學(xué)學(xué)報(自然科學(xué)版2009年 3結(jié)論圖4YAG:Ce的透射電鏡照片F(xiàn)ig.4TEM ima窖瞪of the fabrited YAG:Ce瑚口101panlcI偽利用水熱法在有機環(huán)境下,醇、水體積比為2s 1,填充度為65%,反應(yīng)溫度為350的條件合成了YAG:Ce納米熒光粉.摻雜的激活劑離子Ce3+對材料發(fā)光性能的影響較大,有一最佳的摻雜量.隨著Ce3+離子摻雜量的增大,材料的發(fā)光強度先升高后降低,當(dāng)Ce3+摻雜的摩爾分數(shù)為5%時,樣品的發(fā)光強度最高.350條件下制備的YAG:Ce熒光粉為純YAG相粉體,粒子呈球形,顆粒分布均勻,大小為100nm左右.參考文獻:1馬林,胡建

2、國,萬國江,等.YAG:ce發(fā)光材料合成的助熔劑研究J.發(fā)光學(xué)報,2006,27(3:348352.2丁建紅,李許波,倪海勇,等.白光LED用YAG:ce”熒光粉的性能研究J.廣東有色金屬學(xué)報,2006,16(1:911.30HNo K,ABE T.Effect of BaF2on the synthesis of the single-phase cubic YAG:TbJ.J Electrochem Soc,1986,133(3:638643.4lKEsuEA,FuRusATo I,KAMATA K.Fabrication of polycrystalline transparent YA

3、G ceramics by a solid-state reaction methodJ.J Am Ceram Soc,1995,78(1:225228.5MIcHAEL VEn、H,sANJAY MATHuR.Iw temperaturesynthesis of nanocrystalline YAG and Ce-doped YAG via d“一ferent solgel methodsJ.J Mater Chem,1999,9:30693079.6VAQUEIR0P,LoPEQuEA M A.Influence of complexing agents and pH yttriumir

4、on garnet synthesized by the solgelmethodJ.Chem Mater,1997,9:28362841.7RoY suKUMAR,wANG I,1wu,SIGMUND w0LFGANG,eta1.synthesis of YAG by a citrate-nit強te combustion techniqueJ.Materlett,1999,39:138141.8L1Jiguang,IKEGAMIT,LEE JH,et a1.c0-precipitation synthesis and sintering of YAG powders:the effect

5、of precipitantJ.JEuro Ceram,2000,20:23952405.9wANGHongzhi,GAo Lian,NIIHANA K.synthesis of nanoscaled yttrium aluminum garnet powder by the c0_precipitation methodJ.Mater Sci Engi,2000,A288(1:14.10TAKAMoRIT,DAVID L D.Controlled nucIeation for hydrothermal growth of yttriunl-aluminum gafnet powdersJ.A

6、m Ceram Soc,BuU,1986,65(9:12821286.11HAKuTA YuKIYA,sEINo KEzuEI,KoMlNAMI HIRosHI,et a1.synthesis of ytt“um alumina gamet by the hydrothemal methodJ.J Am CeramSoc,1991,74:14521454.12李霞,劉宏,王繼揚,等.醇一水熱法制備釔鋁石榴石(YAG納米粉體J.無機材料學(xué)報,2004,19(5:11681172.13董國義,韋志仁,李志強,等.共激活劑Br_,I一對ZnS:Mn,CuX發(fā)光中心的影響J.河北大學(xué)學(xué)報:自然科學(xué)版,

7、2001,21(1:4144.(責(zé)任編輯:孟素蘭 水熱法制備YAG:Ce納米熒光粉作者:李志強, 趙起, 莊云飛, 徐麗云, LI Zhi-qiang, ZHAO Qi, ZHUANG Yun-fei, XU Li-yun作者單位:河北大學(xué),物理科學(xué)與技術(shù)學(xué)院,河北,保定,071002刊名: 河北大學(xué)學(xué)報(自然科學(xué)版英文刊名:JOURNAL OF HEBEI UNIVERSITY(NATURAL SCIENCE EDITION年,卷(期:2009,29(2被引用次數(shù):0次參考文獻(13條3.OHNO K.ABE T Effect of BaF2 on the synthesis of the

8、single-phase cubic YAG:Tb 1986(034.IKESUE A.FURUSATO I.KAMATA K Fabrication of polycrystalline transparent YAG Ceramics by a solid-state reaction method 1995(015.MICHAEL VEITH.SANJAY MATHUR Low temperature synthesis of nanocrystalline YAG and Ce-doped YAG via different sol-gel methods 19996.VAQUEIRO

9、 P.LOPEQUEA M A Influence of complexing agents and pH yttrium-iron garnet synthesized by the sol-gel method 19977.ROY SUKUMAR.WANG LIWU.SIGMUND WOLFGANG Synthesis of YAG by a citrate-nitrate combustion technique 19998.LI Jiguang.IKEGAMI T.LEE J-H Co-precipitation synthesis and sintering of YAG powde

10、rs:the effect of precipitant 20009.WANG Hongzhi.GAO Lian.NIIHANA K Synthesis of nanoscaled yttrium aluminum garnet powder by the co-precipitation method 2000(0110.TAKAMORI T.DAVID L D Controlled nucleation for hydrothermal growth of yttrium-aluminum garnet powders 1986(0911.HAKUTA YUKIYA.SEINO KEZUE

11、I.KOMINAMI HIROSHI Synthesis of yttrium alumina garnet by the hydrothermal method 1991相似文獻(3條2004,19(5首先采用共沉淀法制備釔鋁石榴石前驅(qū)體, 然后以乙醇-水混合溶劑作為反應(yīng)介質(zhì), 在較低的溫度(300和壓力(10MPa下, 制備分散性好的釔鋁石榴石納米粉體.并借助XRD,TEM, BET與IR等測試手段, 對所制備樣品的性能進行了表征.實驗結(jié)果表明, 在適當(dāng)?shù)拇?水比條件下可在較低的溫度和壓力下制備純相的YAG納米粉體, 其粒度大約為20nm, 分散性良好.并對YAG的醇-水熱形成機理進行了初步探討.LI Zhen-jun.GAO Ping水熱法制備微米級釔鋁石榴石(YAG晶體-人工晶體學(xué)報2009,38(1本文采用水熱法,以Al(OH3和Y2O3為前驅(qū)物,3 mol/L KOH作礦化劑,高