水熱法制備YAGCe納米熒光粉

1、 .136.河北大學(xué)學(xué)報(bào)(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(jī)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(duì)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(qiáng)度先升高后降低,當(dāng)Ce3+摻雜的摩爾分?jǐn)?shù)為5%時(shí),樣品的發(fā)光強(qiáng)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(xiàn):1馬林,胡建

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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(qiáng), 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(bào)(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(xiàn)(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

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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(xiàn)(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(cè)試手段, 對(duì)所制備樣品的性能進(jìn)行了表征.實(shí)驗(yàn)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(duì)YAG的醇-水熱形成機(jī)理進(jìn)行了初步探討.LI Zhen-jun.GAO Ping水熱法制備微米級(jí)釔鋁石榴石(YAG晶體-人工晶體學(xué)報(bào)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