汤利;肖全兰;林利添;邹阳;蔡建亮;孟建新;

• 1:暨南大学化学系

摘要(Abstract)：

采用甘氨酸-硝酸盐燃烧法制备了Sr2CeO4和Sr2CeO4:Nd3+发光纳米粒子。样品的结构及性质采用XRD,TEM,荧光光谱及荧光衰减曲线等进行表征。在1200℃煅烧1h能够得到均匀的类球形Sr2CeO4:Nd3+纳米粒子,其粒径大小为20~40nm,并具有良好的分散性和高效的近红外发光特性。Nd3+合适掺杂浓度为0.15%(摩尔分数)。对Sr2CeO4:Nd3+近红外发光的机制分析表明:通过基质Sr2CeO4吸收紫外光,基团CeO4发生了电荷转移达到激发态,并将激发态能量传递给了Nd3+,从而使Sr2CeO4:Nd3+产生了特征的近红外发射。

关键词(KeyWords)： Sr2CeO4;近红外发光;Nd3+;燃烧法;稀土

Abstract:

Keywords:

基金项目(Foundation): 广东省自然科学基金研究团队项目(S2013030012842)资助

作者(Author): 汤利;肖全兰;林利添;邹阳;蔡建亮;孟建新;

Email:

DOI:

参考文献(References)：

• [1]李锦清,杨创涛,孟建新.Mg WO4:Nd3+的水热合成及近红外发光性能研究[J].中国稀土学报,2009,27(6):730.Li J Q,Yang C T,Meng J X.Hydrothermal preparation and luminescent properties of Mg WO4:Nd3+[J].Journal of the Chinese Society of Rare Earths,2009,27(6):730.
• [2]Pokhrel M,Mimun L C,Yust B,Kumar G A,Dhanale A,Tang L.Stokes emission in Gd F3:Nd3+nanoparticles for bioimaging probe[J].Nanoscale,2013,11(6):1667.
• [3]Sun J Y,Sun Y N,Cao C,Xia Z G,Du H Y.Nearinfrared luminescence and quantum cutting mechanism in Ca WO4:Nd3+,Yb3+[J].Appl.Phys.B,2013,111(3):367.
• [4]Xu S,Xu W,Zhu Y S,Dong B,Bai X,Xu L,Song H W.A strategy for calibrating the actual quantum efficiency of quantum cutting in YVO4:Bi3+(Nd3+),Yb3+[J].J.Appl.Phys.,2013,113(7):073101.
• [5]Liu G X,Zhang R,Xiao Q L,Zou S Y,Peng W F,Cao L W,Meng J X.Efficient Bi3+→Nd3+energy transfer in Gd2O3:Bi3+,Nd3+[J].Opt.Mater.,2011,34(1):313.
• [6]Danielson E,Devenney M,Giaquinta D M,Golden J H,Haushalter R C,Mc Farland E W,Poojary D M,Reaves C M,Weinberg W H,Wu X D.A rare-earth phosphor containing one-dimensional chains identified through combinatorial methods[J].Science,1998,279(5352):837.
• [7]Park C H,Kim C H,Pyun C H,Choy J H.Luminescence of Sr2Ce O4[J].J.Lumin.,2000,87(9):1062.
• [8]Viagin O,Masalov A,Ganina I,Malyukin Y.Mechanism of energy transfer in Sr2Ce O4:Eu3+phosphor[J].Opt.Mater.,2009,31(12):1808.
• [9]Suresh K,Murthy K V R,Atchyutha C.Synthesis andcharacterization of nano Sr2Ce O4doped with Eu and Gd phosphor[J].J.Lumin.,2013,133:96.
• [10]Zhou R,Wei X T,Chen Y H,Duan C K,Yin M.Ultraviolet to near-infrared downconversion in Yb3+-doped Sr2Ce O4[J].Phys.Status Solidi B,2012,249(4):818.
• [11]Lu C H,Wu T Y,Hsu C H.Synthesis and photoluminescent characteristics of Sr2Ce O4phosphors prepared via a microwave assisted solvothermal process[J].J.Lumin.,2010,130(5):737.
• [12]Talik E,Lipińska L,Skrzypek D,Skuta A,Zajdel P,Guzik A,Dudaet H.Electronic structure analysis and properties of Sr2Ce O4grown by sol-gel method[J].Mater.Res.Bull.,2012,47(11):3107.
• [13]石士考,王继业,栗俊敏,周济.Eu3+掺杂的Sr2Ce O4荧光材料的燃烧法合成及其性能研究[J].中国稀土学报,2004,22(6):859.Shi S K,Wang J Y,Li J M,Zhou J.Combustion synthesis and properties of Eu3+doped Sr2Ce O4phosphor[J].Journal of the Chinese Society of Rare Earths,2004,22(6):859.
• [14]Grzyb T,Szczeszak A,Rozowska J,Legendziewicz J,Lis S.Tunable luminescence of Sr2Ce O4:M2+(M=Ca,Mg,Ba,Zn)and Sr2Ce O4:Ln3+(Ln=Eu,Dy,Tm)nanophosphors[J].J.Phys.Chem.C,2012,116(5):3219.
• [15]Hsu C H,Liaw C L,Lu C H.Luminescence properties of sol-gel derived Sr2(Ce1-xSnx)O4blue phosphors[J].J.Alloys Compd.,2010,489(2):445.
• [16]Li L,Zhou S H,Zhang S Y.Investigation on charge transfer bands of Ce4+in Sr2Ce O4blue phosphor[J].Chem.Phys.Lett.,2008,453(4-6):283.
• [17]Meng J X,Li J Q,Shi Z P,Cheah K W.Efficient energy transfer for Ce to Nd in Nd Ce codoped yttrium aluminum garnet[J].Appl.Phys.Lett.,2008,93(22):221908.
• [18]杨丽丽,万文娇,李锦清,孟建新.Sr2Si O4:Eu2+,Nd3+的近红外发光及Eu2+→Nd3+能量传递[J].光谱学与光谱分析,2011,31(1):43.Yang L L,Wan W J,Li J Q,Meng J X.Near-infrared fluorescence and energy transfer in Sr2Si O4:Eu3+,Nd3+[J].Spectroscopy and Spectral Analysis,2011,31(1):43.