在苯基羧甲基亚砜体系中高氯酸铒对高氯酸铽的荧光增强效应

合成了不同摩尔比的苯基羧甲基亚砜高氯酸铽、铒异核配合物,对配合物进行了组成分析,确定了配合物组成为Tb1-xErxL2ClO4·2H2O(x=0.000～0.200,L=C6H5SOCH2COO-)。通过IR光谱的测定以及摩尔电导推测了配位情况。荧光光谱实验表明:当x=0.001～0.010时铒对铽的荧光均产生敏化增强效应,当x=0.001时敏化强度最大,可使Tb3+荧光强度增加142%。     

Synthesis and Fluorescence Property of Eu^3 ＋ , Tb^3＋ Perchlorate Complexes with Diphenyl Sulfoxide and 1,10-Phenanthroline

Eu3 ,Tb3 canemitfluorescenceinconjugatedsystemcontainingorganicligand[1,2 ] ,forexample ,1 ,1 0 phenanthroline ,becauseithasbettercoordina tionabilityandbiggerconjugationsystem ,soitcantransmitenergyeffectivelytoEu3 ,Tb3 ,leadingtofluorescenceemission ,andthestabilityisveryhigh ,butsolubilityisverypoor .Inaddition ,diphenylsul foxidehasbettercoordinationabilityandbiggerconju gationsystem ,too .Soitcanalsotransmitenergyef fectivelytoEu3 ,Tb3 ,resutlinginfluorescencee mission ,andsolubi…     

苯基羧甲基硫醚与稀土配合物的合成、表征及Eu3+、Tb3+的发光

合成了苯基羧甲基硫醚及其与 Nd3 、 Sm3 、Eu3 、Tb3 、Dy3 的配合物。通过元素分析确定配合物为 L n L3· n H2 O(L=C6 H5SCH2 COO- ,n=1～ 4 )。并通过 IR谱、UV谱、摩尔电导对配合物进行波谱表征 ;通过荧光光谱测定结果表明 :Eu3 、Tb3 配合物具有明显的发光性能。溶解性实验表明 :该类配合物在 DMF、 DMSO等极性溶剂中具有很高的溶解性。     

苯基乙酰甲基亚砜与重稀土高氯酸配合物的合成、表征及铽(Ⅲ)配合物光致发光

合成了六种重稀土高氯酸盐与苯基乙酰甲基亚砜(L)的配合物RE(C lO4).L5.2H2O(RE=T b,D y,E r,Tm,Y b,Y),该系列配合物可溶于水,红外光谱及摩尔电导表明,配体通过亚砜基团上的氧原子与稀土离子配位,羰基氧不参与配位,三个高氯酸根离子有两个在内界与稀土离子配位,另一个在外界不参与配位。测定了配体的磷光光谱,对配合物进行了元素分析、热重等表征。荧光激发和发射光谱测定结果表明:铽(Ⅲ)配合物的发光机理属于M→M发光[1]。     

Synthesis, Characterization and Fluorescence of Rare earth Nitrate Complexes with Triaza-crown Ether Derivative

Sinceaza crownethershowsspecialcoordinationpropertiestotransitionmetalandheavymetalions[1,2 ] ,therearemanyreportsofthecomplexesinhost guestchemistry ,molecularrecognition[3 ,4] andionophoreinmembranetransportation[5] ,butthereislittlereportontheirrareearthscomplexesandthefluorescenceaboutthecomplexes[6] ,andthefluorescenceintensityoftheircomplexesarenotverystrong .Weinsetbenzoylgroupintothemacrocycle ,expectingthatitsrareearthscomplexeshavebetterfluorescenceproperties .Inthispaperthesynthesis…     

Structure and Fluorescence Emission of Hetero-Nuclear Complexes of Europium-Lanthanum Nitrates with N,N′-Substituted Adipamide

Ｌｕｍｉｎｅｓｃｅｎｔｌａｎｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓｈａｖｅｂｅｅｎｉｎｔｅｎｓｉｖｅｌｙｓｔｕｄｉｅｄｆｏｒｔｈｅｉｒｗｉｄｅａｐｐｌｉｃａ ｔｉｏｎｓｉｎｐｈｏｔｏ ｄｅｖｉｃｅｓａｎｄｆｌｕｏｒｏ ａｎａｌｙｓｉｓ ,ｅｓ ｐｅｃｉａｌｌｙｉｎｔｈｅｕｓｅａｓｌｕｍｉｎｅｓｃｅｎｔｌａｂｅｌｓｉｎｆｌｕ ｏｒｏ ｉｍｍｕｎｏａｓｓａｙｆｉｅｌｄ[1] .Ｓｉｎｃｅｔｈｅｂａｃｋ ｇｒｏｕｎｄｌｕｍｉｎｅｓｃｅｎｃｅｏｆｂｉｏｌｏｇｉｃａｌｍａｔｅｒｉａｌｓｉｓｕｓｕａｌｌｙｓｈｏｒｔ ｌｉｖｅｄ…     

Synthesis, Characterization and Properties of Lanthanide Nitrate Complexes with Isonicotinoyl Hydrazone

Ｔｈｅｄｅｓｉｇｎａｎｄｓｙｎｔｈｅｓｉｓｏｆｓｔａｂｌｅｌａｎ ｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓａｒｅｏｆｇｒｅａｔｉｍｐｏｒｔａｎｃｅｆｏｒｔｈｅｉｎｖｅｓｔｉｇａｔｉｏｎｏｆｔｈｅｐｒｏｐｅｒｔｉｅｓａｎｄａｐｐｌｉｃａ ｔｉｏｎｓｏｆｌａｎｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓ .Ｍａｃｒｏｃｙｃｌｉｃｏｒａｃｙｃｌｉｃｌｉｇａｎｄｓｗｉｔｈｍｕｌｔｉｄｅｎｔａｔｅｄｏｎｏｒａｔｏｍｓｕｓｕａｌｌｙｆｏｒｍｓｔａｂｌｅｃｏｍｐｌｅｘｅｓｗｉｔｈｌａｎｔｈａｎｉｄｅｃａｔｉｏｎｓ .Ｔｈｅｓｉｚｅｏｆ…     

稀土-对叔丁基杯[8]芳烃二甲亚砜配合物的合成和荧光性能研究

在丙酮溶液中,RE(ClO4)3·(DMSO)n(RE=La,Sm,Gd,Tb,Dy)与对叔丁基杯[8]芳烃(H8L=C88H112O8)反应,合成了5种新的稀土固体配合物,通过元素分析、红外光谱、紫外光谱和摩尔电导等实验进行了表征,确定了配合物组成为[RE2(H2L)(DMSO)5](RE=La,Sm,Gd,Tb,Dy),在常温下研究了它们的固态粉末荧光光谱,结果发现,铽-对叔丁基杯[8]芳烃配合物具有较好的发光性能。     

Standard Enthalpies of Formation of Solid Complexes of Lanthanide Nitrates with Alanine

Ｇｒｅａｔｉｎｔｅｒｅｓｔｈａｓｂｅｅｎａｒｏｕｓｅｄｉｎｔｈｅｓｔｕｄｙｏｆｃｏｍｐｌｅｘｅｓｏｆｒａｒｅｅａｒｔｈｓａｌｔｓｗｉｔｈａｍｉｎｏａｃｉｄｓｂｅｃａｕｓｅｒａｒｅｅａｒｔｈｉｏｎｓｐｏｓｓｅｓｓｓｏｍｅｓｐｅｃｉａｌｆｕｎｃｔｉｏｎｓｉｎｂｉｏｃｈｅｍｉｓｔｒｙ .Ｔｈｅｙｃａｎｂｅｕｓｅｄａｓａｐｒｏｂｅｔｏｌａｂｅｌｔｈｅｃａｌｃｉｕｍｉｏｎ .Ｍｏｒｅｏｖｅｒ,ａｍｉｎｏａｃｉｄｓａｒｅｔｈｅｓｔｒｕｃｔｕｒｅｕｎｉｔｏｆｐｒｏｔｅｉｎｓ .Ｇａｏａｎｄｃｏｗｏｒｋｅｒｓｒｅｃｅ…     

Synthesis, EPR and Fluorescence Properties of Quaternary Lanthanide Complexes with Chloroacetate and Phenanthroline Ligands

A series of novel quaternary mixed anion complexes of lanthanide containing 1, 10-phenanthroline (phen) and chloroacetate ligands were synthesized from the water/ethanol solution with slightly acidic solution and characterized by elemental analysis, IR, UV and thermal analysis. The EPR and fluorescence properties also were studied.     

六氟磷酸铕、镝二苯亚砜配合体系的光致发光

合成了六氟磷酸铕、镝二苯亚砜的EuxDy1-x(DPhSO)7(PF6)3(x=0.05～1.00)一系列混合稀土固体配合物,室温下测定荧光。结果表明在Eu3+-Dy3+混合配合体系中,Dy3+离子对Eu3+离子荧光强度起到敏化作用,Eu3+对Dy3+的荧光强度起到猝灭作用。同时用红外、X射线衍射对部分配合物进行表征。     

Synthesis, Characterization and Antioxidative Activity of Lanthanide Complexes with 3,5-Dibenzyloxybenzoyl-2,4-Dihydroxybenzaldehyde-Hydrazone

Scientistshavepaidmuchattentiontotherareearthelementswithpharmaceuticalactivity[1] .Hydra zonesandtheircomplexeswithtransitionmetalshavebeenstudiedwidelyfortheirpossessionofadiversespectrumofbiologicalandpharmaceuticalactivities ,suchasanticancer ,antitumourandantioxidativeactiv ities ,aswellastheinhibitionoflipidperoxidationandsoon[2 ] .Metalcomplexesofacylhydrazones ,particu larlythecopper(Ⅱ )complexesof 2 pyridinecarboxy laldehyde 2′ pyridylhydrazoneandsalicylaldehydebenzoylhydrazoneshow…     

稀土三元配合物的合成、结构表征及荧光性能研究

合成了铈-草酸-丙烯酸三元固体配合物。利用元素分析、红外光谱（FT-IR）、紫外．可见光谱（UV-Vis）、热重分析（TGA）和荧光光谱等手段研究了配合物的结构和性质。结果表明配合物的组成为[Ce（OOC-COO）（CH2=CH-COO）]·3H2O，荧光光谱表明，配合物中的有机配体能够有效地把吸收的能量传递给中心Ce^3＋离子，强烈敏化Ce^3＋发光，且发射谱线很窄，主发射峰为Ce^3＋的5d→^2F7/2跃迁，这对寻找新型稀土配合物发光材料和制备有机电致发光器件具有一定的价值。     

Synthesis and Characterization of Rare Earth Complexes of Ferrocenylcarbonylhydrazine

Ｔｈｅｍｅｔａｌｃｏｍｐｌｅｘｅｓｏｆｈｙｄｒａｚｉｄｅｓｈａｖｅａｔｔｒａｃｔｅｄｃｏｎｓｉｄｅｒａｂｌｅｉｎｔｅｒｅｓｔｏｗｉｎｇｔｏｔｈｅｉｒａｎｔｉｆｕｎｇａｌａｎｄａｎｔｉｂａｃｔｅｒｉａｌａｃｔｉｖｉｔｉｅｓ[1 ,2 ] .Ｔｈｅｙｃａｎａｌｓｏｂｅｕｓｅｄａｓａｎａｌｙｔｉｃａｌｒｅａｇｅｎｔｓ[3 ]ａｎｄｅｘｔｒａｃｔｉｎｇａｇｅｎｔｓｆｏｒｍｅｔａｌｓａｌｔｓ[4 ] .Ｍａｎｙｃｏｍｐｌｅｘｅｓｏｆｈｙｄｒａｚｉｄｅｓｈａｖｅｂｅｅｎｓｙｎｔｈｅｓｉｚｅｄａｎｄｃｈａｒａｃｔｅｒｉｚｅｄ[5]…     

Synthesis and Characterization of Lanthanide Complexes Involving Cyclopentadienyl and Benzohydroximic Acid Ligand

Ｉｎｇｅｎｅｒａｌ,ｈｙｄｒｏｘｉｍｉｃａｃｉｄｓ (ＲＣＯＮ ＨＯＨ)ａｒｅｗｅａｋｏｒｇａｎｉｃａｃｉｄｓ .ＴｈｉｓｃｌａｓｓｏｆｏｒｇａｎｉｃｃｏｍｐｏｕｎｄｓｃｏｎｔａｉｎｉｎｇｔｈｅｒｅａｃｔｉｖｅｇｒｏｕｐＣＯＮＨＯＨ ,ｋｎｏｗｎａｓｔｈｅｈｙｄｒｏｘｉｍｉｃａｃｉｄｓ,ｈａｖｅｂｅｅｎｗｉｄｅｌｙｓｔｕｄｉｅｄｂｙｏｒｇａｎｉｃｃｈｅｍｉｓｔｓ.Ｔｈｅｈｙｄｒｏｘｉｍｉｃａｃｉｄｓａｒｅｃｈｅｌａｔｅｌｉｇａｎｄｓｆｏｒｍａｎｙｍｅｔａｌｓ .Ｔｈｅｙａｒｅｗｉｄｅｌｙｕｓｅｄａｓｃｈｅｌ…     

Synthesis, Characterization and Fluorescence of Terbium(Ⅲ) Complexes with Phenylglyoxylic Acid and 2,2-Dipyridine, 1,10-Phenanthroline, Triphenyl Phosphine Oxide

Three new complexes TbL3dipy(H2O)2, TbL3phen(H2O)2 and TbL2(TPPO)2NO3 were synthesized (L=phenylglyoxylate ion, dipy=2,2-dipyridine, phen=1,10-phenanthroline, TPPO=Triphenyl phosphine oxide).Elemental analysis, conductivity, IR spectra, and 1HNMR spectra studies were performed.IR spectra indicate that the carboxylate ion of phenylglyoxylate is coordinated to the Tb(Ⅲ) ion as an unidentate ligand.In 1HNMR, the signals of different hydrogens in phenylglyoxylate ion shift upfield.The excitation and emission spectra of the three solid complexes were recorded at room temperature, in which the optimum excitation wavelengths are 361.0, 359.0 and 367.0 nm for these three complexes, respectively.Four emission bands due to the 5D4-7Fj(j=6, 5, 4, 3) transitions were observed for TbL3dipy(H2O)2 (489.0, 545.0, 584.0, 620.0 nm) and TbL3phen(H2O)2 (490.0, 544.0, 583.0, 620.0 nm).Under the same conditions, only one emission band due to the 5D4-7F5 transition was observed for the complex TbL2(TPPO)2NO3.The emission intensity of TbL3dipy(H2O)2 is the strongest among the three complexes.     

Synthesis, Characterization and Fluorescence of Terbium（Ⅲ） Complexes with Phenylglyoxylic Acid and 2,2-Dipyridine, 1,10-Phenanthroline, Triphenyl Phosphine Oxide

Three new complexes TbL3dipy （H2O）2, TbL3phen （H2O） 2 and TbL2 （TPPO） 2NO3 were synthesized （L = phenylglyoxylate ion, dipy = 2, 2-dipyridine, phen = 1,10-phenanthmline, TPPO = Triphenyl phosphine oxide）. Elemental analysis, conductivity, IR spectra, and ^1HNMR spectra studies were performed. IR spectra indicate that the carboxylate ion of phenylglyoxylate is coordinated to the Tb（Ⅲ） ion as an unidentate ligand. In ^1HNMR, the signals of different hydrogens in phenylglyoxylate ion shift upfield. The excitation and emission spectra of the three solid complexes were recorded at morn temperature, in which the optimum excitation wavelengths are, 361.0, 359.0 and 367.0 nm for these three complexes, respectively. Four emission bands due to the ^5D4-^7Fj（j = 6, 5, 4, 3） transitions were observed for TbL3dipy（H2O）2（489.0, 545.0, 584.0, 620.0 nm） and TbL3phen（H2O）2（490.0, 544.0, 583.0, 620.0 nm）. Under the same conditions, only one emission band due to the ^5D4-^7F5 transition was observed for the complex TbL2（TPPO）2NO3. The emission intensity of TbL3dipy（H2O）2 is the strongest among the three complexes.     

La(Ⅲ)、Nd(Ⅲ)、Tb(Ⅲ)、Er(Ⅲ)与二溴水杨醛缩乙二胺配合物的合成与表征及薄层色谱研究

合成了四种稀土双核配合物,其组成为Ｌｎ２Ｌ３（ＮＯ３）６·３Ｈ２Ｏ〔Ｌｎ＝Ｌａ（Ⅲ）、Ｎｄ（Ⅲ）、Ｔｂ（Ⅲ）、Ｅｒ（Ⅲ）;Ｌ＝３,５－二溴水杨醛缩乙二胺〕,并通过元素分析、红外光谱、紫外光谱、差热－热重及摩尔电导分析等手段,对合成的配合物进行了表征,并研究了配合物的薄层色谱行为     

Synthesis, Characterization and Fluorescence Studies on Complexes of Terbium with Phenylglyoxylic Acid, 2, 2-Dipyridine, 1, 10-Phenanthroline, Triphenyl Phosphine Oxide

Synthesis, Characterization and Fluorescence Studies on Complexes of Terbium with Phenylglyoxylic Acid, 2,2-Dipyridine, 1,10-Phenanthroline, Triphenyl Phosphine Oxide     

Synthesis, Characterization and Fluorescence Properties of Europium, Terbium Complexes with Biphenyl-4-Carboxylic Acid and o-Phenanthroline

Two series of solid complexes of europium and terbium with biphenyl 4-carboxylic acid and phen were synthesized and characterized in this report. Their elemental analysis, molar conductivities and TG-DTA studies indicate that the complexes have the composition of Eu(phen)L3·1/2H2O, Eu0.5RE0.5(phen)L3·1/2H2O; Tb(phen)L3·H2O and Tb0.5RE0.5(Phen)L3·1/2H2O. (RE=Y3 , La3 and Gd3 ; L=biphenyl 4-carboxylic acid; phen=o-Phenanthroline). The studies of their IR, UV 1H NMR and molar conductivities demonstrate that biphenyl 4-carboylic acid is bounded with RE(Ⅲ) ion. Rare earth ions coordinate with two nitrogen atoms of phen molecules directly in these rare earth complexes. The fluorescence spectra and fluorescence lifetimes of the rare earth complexes show that the fluorescent intensity and lifetime of a series of europium complexes are longer than those of the series of terbium complexes as having the some ligands. There are better fluorescent intensity and lifetime of hetero-nuclear rare earth complexes than homo-nuclear rare earth complexes for europium complexes. The fluorescence emission intensity of Eu3 is raised by inert fluorescent rare earth ions (Y3 , Gd3 and La3 ), but in Tb3 hetero-nuclear rare earth complexes the intensity of Tb3 ions are quenched by the inert fluorescent rare earth ions.