Tb~(3+)离子掺杂的镁铝类水滑石的制备及其发光性能研究
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摘要
通过共沉淀法合成了Mg_(1.3)Al_(0.94)Tb_(0.06)-LDH、Mg_2Al_(0.94)Tb_(0.06)-LDH、Mg_3Al_(0.94)Tb_(0.06)-LDH、Mg_4Al_(0.94)Tb_(0.06)-LDH,用所合成的以上水滑石为前驱体,通过焙烧复原法、离子交换法制备了以5-磺基水杨酸(SSA)插层柱撑的水滑石Mg_(1.3)Al_(0.94)Tb_(0.06)-LDH、Mg_2Al_(0.94)Tb_(0.06)-LDH、Mg_3Al_(0.94)Tb_(0.06)-LDH、Mg_4Al_(0.94)Tb_(0.06)-LDH,合成不同金属离子比值及有机体插层柱撑的水滑石,旨在对水滑石结构进行调控研究水滑石结构对Tb3+离子发光性能的影响,通过XRD、IR、UV等表征手段类水滑石的结构进行了分析,研究了Tb3+掺杂的镁铝类水滑石的光致发光性能,并分析水滑石结构与发光性能的关系。
A series of Mg-Al-Tb ternary hydrotalcite-like layered double hydroxides(LDHs),with Mg/(Al +Tb) atomic ratios ranging from 1. 3 to 4. 0,were synthesized by a co-precipitation method. Then SSA was introduced to interlayer region by ion-exchange method to prepare a new type of rare earth luminescent LDHs materials. The Mg-Al-Tb LDHs structures were investigated by various techniques,such as XRD,IR,UV,to study the photoluminescence properties and analyze the relationship between structure and photoluminescence.
A series of Mg-Al-Tb ternary hydrotalcite-like layered double hydroxides(LDHs),with Mg/(Al +Tb) atomic ratios ranging from 1. 3 to 4. 0,were synthesized by a co-precipitation method. Then SSA was introduced to interlayer region by ion-exchange method to prepare a new type of rare earth luminescent LDHs materials. The Mg-Al-Tb LDHs structures were investigated by various techniques,such as XRD,IR,UV,to study the photoluminescence properties and analyze the relationship between structure and photoluminescence.
引文
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[3]Nyambo C,Chen D,Su S,et al.Variation of benzyl anions in MgAl-layered double hydroxides:Fire and thermal properties in PMMA[J].Polymer Degradation&Stability,2009,94(94):496-505.
[4]Olfs H W,Torres-Dorante L O,Eckelt R,et al.Comparison of different synthesis routes for Mg-Al layered double hydroxides(LDH):Characterization of the structural phases and anion exchange properties[J].Applied Clay Science,2009,43(3-4):459-464.
[5]N N Leont’eva,S V Cherepanova,V A Drozdov.Thermal decomposition of layered double hydroxides Mg-Al,Ni-Al,Mg-Ga:Structural features of hydroxide,dehydrated,and oxide phases[J].Journal of Structural Chemistry,2014,55(7):1326-1341.
[6]Velu S,Shah N,Jyothi T M,et al.Effect of manganese substitution on the physicochemical properties and catalytic toluene oxidation activities of Mg-Al layered double hydroxides[J].Microporous&Mesoporous Materials,1999,33(1):61-75.
[7]Filho J F N,Silvério F,Reis M J D,et al.Adsorption of cholate anions on layered double hydroxides:Effects of temperature,ionic strength and p H[J].Journal of Materials Science,2008,43(21):6986-6991.
[8]Sarakha L,Forano C,Boutinaud P.Intercalation of luminescent europium(III)complexes in layered double hydroxides[J].Optical Materials,2009,31(3):562-566.
[9]Chang Z,Evans D,Duan X,et al.Preparation and characterization of rare earth-containing layered double hydroxides[J].Journal of Physics&Chemistry of Solids,2006,67(5):1054-1057.
[10]Li C,Wang L,Evans D G,et al.Thermal evolution and luminescence properties of Zn-Al-layered double hydroxides containing europium(Ⅲ)complexes of ethylenediaminetetraacetate and nitrilotriacetate[J].Ind Eng Chem Res,2009,48(4):2162-2171.
[11]Yan.Photofunctional Layered Materials[M].Springer International Publishing,2015.69-103.
[12]Hindocha S A,Mcintyre L J,Fogg A M.Precipitation synthesis of lanthanide hydroxynitrate anion exchange materials,Ln2(OH)5NO3·H2O(Ln=Y,Eu-Er)[J].Journal of Solid State Chemistry,2009,182(5):1070-1074.
[13]Leslie P,Prior T J,Mcintyre L J,et al.Cheminform abstract:Synthesis and crystal structures of new lanthanide hydroxyhalide anion exchange materials,Ln2(OH)5X·1.5H2O(X:Cl,Br;Ln:Y,Dy,Er,Yb)[J].Cheminform,2009,40.
[14]Geng F X,Matsushita Y,Mat R Z,et al.General synthesis and structural evolution of a layered family of Ln8(OH)20Cl4·n H2O(Ln=Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,and Y)[J].Journal of the American Chemical Society,2008,130(48):16344-16350.
[15]Hu L,Ma R,Ozawa T C,et al.Cheminform abstract:Synthesis of a solid solution series of layered EuxGd1-x(OH)2.5Cl0.5·0.9H2O and its transformation into(EuxGd1‐x)2O3with enhanced photoluminescence properties[J].Cheminform,2010,41.
[16]Long G B,Islam M R,Xuan T C,et al.A novel photoluminescent nanohybrid of poly(ε-caprolactone)grafted Mg/Al layered double hydroxides and Tb3+,ions:Synthesis and characterization[J].Journal of Alloys&Compounds,2014,582:22-28.
[17]Zhuravleva N G,Eliseev A A,Lukashin A V,et al.Energy transfer in luminescent Tb-and Eu-containing layered double hydroxides[J].Mendeleev Communications,2004,14(4):176-178.
[18]Wiglusz R J,Grzyb T,Lis S,et al.Hydrothermal preparation and photoluminescent properties of MgAl2O4:Eu3+,spinel nanocrystals[J].Journal of Luminescence,2010,130(3):434-441.
[19]Wang J,Liu Q,Zhang G,et al.Synthesis,sustained release properties of magnetically functionalized organicinorganic materials:Amoxicillin anions intercalated magnetic layered double hydroxides via calcined precursors at room temperature[J].Solid State Sciences,2009,11(9):1597-1601.
[20]Badreddine M,Khaldi M,Legrouri A,et al.Chloridehydrogenophosphate ion exchange into the zinc-aluminium-chloride layered double hydroxide[J].Materials Chemistry&Physics,1998,52(52):235-239.
[21]魏永巨,李娜,秦身钧.磺基水杨酸的荧光光谱与荧光量子产率[J].光谱学与光谱分析,2004,24(6):647-651.Wei Y J,Li N,Qin S J.The fluorescence spectrum and quantum efficiency of sulfosalicylic acid[J].Spectroscopy and Spectral Analysis,2004,24(6):647-651.