Synthesis, Characterization and Fluorescence of Phenylcarboxymethyl Sulfoxide Complexes with Lanthanide Nitrates

Ｒａｒｅｅａｒｔｈｃｏｍｐｌｅｘｅｓｗｉｔｈｓｕｌｆｏｘｉｄｅａｎｄａｒｏｍａｔｉｃｃａｒｂｏｘｙｌａｃｉｄｈａｖｅｂｅｅｎｗｉｄｅｌｙｓｔｕｄ ｉｅｄ[1～ 3 ] .Ｉｔｉｓｐｒｏｖｅｄｔｈａｔｔｈｅｙｂｏｔｈｈａｖｅｂｅｔ ｔｅｒｆｌｕｏｒｅｓｃｅｎｃｅｃｈａｒａｃｔｅｒ .Ｈｏｗｅｖｅｒｔｈｅａｒｏ ｍａｔｉｃｃａｒｂｏｘｙｌｏｆｒａｒｅｅａｒｔｈｃｏｍｐｌｅｘｅｓｈａｖｅｖｅｒｙｈｉｇｈｆｌｕｏｒｅｓｃｅｎｃｅｅｍｉｓｓｉｏｎｉｎｔｅｎｓｉｔｙａｎｄｓｔａｂｉｌｉｔｙ ,ｂｕｔｓｏｌｕｂｉｌｉｔｙｉ…     

Preparation,Photo and Electroluminescence Properties of Novel Rare Earth Aromatic Carboxylates

ＳｉｎｃｅＫｉｄｏｅｔａｌ.ｈａｖｅｆｉｒｓｔｒｅｐｏｒｔｅｄｏｎｏｒｇａｎｉｃｅｌｅｃｔｒｏｌｕｍｉｎｅｓｃｅｎｃｅ (ＥＬ)ｕｓｉｎｇｒａｒｅｅａｒｔｈ (ＲＥ)ｃｏｍｐｌｅｘａｓｔｈｅｅｍｉｔｔｉｎｇｌａｙｅｒ[1] ,ｍｕｃｈｗｏｒｋｈａｓｂｅｅｎｆｏｃｕｓｅｄｏｎｔｈｉｓｆｉｅｌｄｄｕｅｔｏｉｔｓｈｉｇｈｃｏｌｏｒｐｕｒｉｔｙ[2～ 4] .Ｈｏｗｅｖｅｒ,ｔｈｅｋｅｙｐｒｏｂｌｅｍｗｉｔｈｒａｒｅｅａｒｔｈβ ｄｉｋｅｔｏｎｅｃｏｍｐｌｅｘｅｓｉｓｔｈｅｉｒｐｏｏｒｔｈｅｒｍａｌｓｔａｂｉｌｉｔｙａｎｄ…     

Thermochemical Study of Lanthanum Complex Crystal with β-Alanine

Ｔｈｅｃｏｍｐｌｅｘｅｓｏｆｒａｒｅｅａｒｔｈｗｉｔｈａｍｉｎｏａｃｉｄｓａｒｅｏｆｍａｎｙｓｐｅｃｉａｌｆｕｎｃｔｉｏｎｓ[1 ] ,ａｎｄｔｈｅｙｈａｖｅｖｅｒｙｅｘｔｅｎｓｉｖｅａｐｐｌｉｃａｔｉｏｎｓｉｎｂｉｏｌｏ ｇｙ ,ａｇｒｉｃｕｌｔｕｒｅａｎｄｐｈａｒｍａｃｏｌｏｇｉｃａｌｓｃｉ ｅｎｃｅ[2 ,3 ] .Ｉｎｒｅｃｅｎｔｙｅａｒｓ ,ｔｈｅｃｏｍｐｌｅｘｅｓｏｆｒａｒｅｅａｒｔｈｗｉｔｈａｍｉｎｏａｃｉｄｓｂｅｃｏｍｅｔｈｅｈｏｔｓｐｏｔｓｏｆｒａｒｅｅａｒｔｈｂｉｏｌｏｇｉｃａｌｉｎｏｒｇａｎｉ…     

Preparation and Fluorescence Properties of TiO_2∶Eu Nano-Materia ls

Ｒａｒｅｅａｒｔｈｃｏｍｐｌｅｘｉｓａｎｉｍｐｏｒｔａｎｔｋｉｎｄｏｆｌｕｍｉ ｎｅｓｃｅｎｃｅｍａｔｅｒｉａｌｓ ,ｍｕｃｈａｔｔｅｎｔｉｏｎｈａｓｂｅｅｎｐａｉｄｔｏｔｈｅｅｘｃｅｌｌｅｎｔｌｕｍｉｎｅｓｃｅｎｃｅｃｈａｒａｃｔｅｒｉｓｔｉｃｓｂａｓｅｄｏｎｔｈｅｉｒｅｌｅｃｔｒｉｃｔｒａｎｓｉｔｉｏｎｂｅｔｗｅｅｎｔｈｅ 4ｆｅｎｅｒｇｙｌｅｖｅｌｓ[1,2 ] .Ｉｎｒｅｃｅｎｔｙｅａｒｓｍａｎｙｒａｒｅｅａｒｔｈｃｏｍｐｌｅｘｅｓｔｈａｔｃｈｅｌａｔｅｄｗｉｔｈｏｒｇａｎｉｃｃｏｍｐｏｕｎｄｓ ,ｓ…     

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 of a Polyaminopolycarboxylic Acid and Fluorescence of Tb~(3 ) Complexes in Aqueous Solution

ＳｙｎｔｈｅｓｉｓｏｆａＰｏｌｙａｍｉｎｏｐｏｌｙｃａｒｂｏｘｙｌｉｃＡｃｉｄａｎｄＦｌｕｏｒｅｓｃｅｎｃｅｏｆＴｂ３＋ＣｏｍｐｌｅｘｅｓｉｎＡｑｕｅｏｕｓＳｏｌｕｔｉｏｎＧｏｎｇＭｅｎｇｌｉａｎ（龚孟濂），ＷｕＷｅｉｎｉｎｇ（吴炜宁），ＳｈｉＨｕ...     

Syntheses and Photosensitive Effects of Rare Earth Carboxylate Complexes

ＳｙｎｔｈｅｓｅｓａｎｄＰｈｏｔｏｓｅｎｓｉｔｉｖｅＥｆｆｅｃｔｓｏｆＲａｒｅＥａｒｔｈＣａｒｂｏｘｙｌａｔｅＣｏｍｐｌｅｘｅｓＬｉｎＹｉｃｈａｏ（林宜超）（ＦｕｊｉａｎＩｎｓｔｉｔｕｔｅｏｆＴｅｓｔｉｎｇＴｅｃｈｎｏｌｏｇｙ，Ｆｕｚｈｏｕ３５０００...     

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

Ｔｈｅｄｅｓｉｇｎａｎｄｓｙｎｔｈｅｓｉｓｏｆｓｔａｂｌｅｌａｎ ｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓａｒｅｏｆｇｒｅａｔｉｍｐｏｒｔａｎｃｅｆｏｒｔｈｅｉｎｖｅｓｔｉｇａｔｉｏｎｏｆｔｈｅｐｒｏｐｅｒｔｉｅｓａｎｄａｐｐｌｉｃａ ｔｉｏｎｓｏｆｌａｎｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓ .Ｍａｃｒｏｃｙｃｌｉｃｏｒａｃｙｃｌｉｃｌｉｇａｎｄｓｗｉｔｈｍｕｌｔｉｄｅｎｔａｔｅｄｏｎｏｒａｔｏｍｓｕｓｕａｌｌｙｆｏｒｍｓｔａｂｌｅｃｏｍｐｌｅｘｅｓｗｉｔｈｌａｎｔｈａｎｉｄｅｃａｔｉｏｎｓ .Ｔｈｅｓｉｚｅｏｆ…     

Synthesis and Crystal Structure of a 4f-3d Complex [La(DMF)_6(H_2O)_3][Cr(CN)_6]·2H_2O

Ｒｅｃｅｎｔｌｙ ,ｔｈｅｒｅｈａｓｂｅｅｎｃｏｎｓｉｄｅｒａｂｌｅｉｎ ｔｅｒｅｓｔｉｎｌａｎｔｈａｎｉｄｅ(Ⅲ )ｈｅｘａｃｙａｎｏｆｅｒｒａｔｅｓａｎｄｔｈｅａｎａｌｏｇｏｕｓｃｏｂａｌｔ(Ⅲ )ａｓｗｅｌｌａｓｃｈｒｏｍｉｕｍ(Ⅲ )ｃｏｍｐｌｅｘｅｓｂｅｃａｕｓｅｏｆｔｈｅｉｒｐｏｔｅｎｔｉａｌａｓｃａｔａｌｙｔｉｃ ,ｓｅｍｉｃｏｎｄｕｃｔｉｖｅ ,ａｎｄｍａｇｎｅｔｉｃｍａｔｅ ｒｉａｌｓ[1～ 4] .Ｆｏｒｅｘａｍｐｌｅ ,ｍａｇｎｅｔｉｃｓｔｕｄｉｅｓｏｎａｓｅｒｉｅｓｏｆｔｈｒｅｅ ｄｉｍｅｎｓｉｏ…     

Encapsulation of Eu(TTA)3 into MCM-41 Mesoporous Molecular Sieve by Sol-Gel Method

Ｔｈｅｄｅｓｉｒａｂｌｅｌｕｍｉｎｅｓｃｅｎｃｅｃｈａｒａｃｔｅｒｉｓ ｔｉｃｓｏｆｓｏｍｅｌａｎｔｈａｎｉｄｅｉｏｎｓｂａｓｅｄｏｎｔｈｅｉｎｔｒａ ｆ ｏｒｂｉｔａｌｔｒａｎｓｉｔｉｏｎｓｈａｖｅｒｅｃｅｉｖｅｄｍｕｃｈａｔｔｅｎ ｔｉｏｎ.Ｒａｒｅｅａｒｔｈｃｏｍｐｌｅｘｅｓ,ｅｓｐｅｃｉａｌｌｙｔｈｏｓｅｃｏｎｔａｉｎｉｎｇＥｕ3 ａｎｄＴｂ3 ,ｏｆｔｅｎｅｘｈｉｂｉｔｇｏｏｄｌｕｍｉｎｅｓｃｅｎｃｅｏｗｉｎｇｔｏｔｈｅｓｔｒｏｎｇａｂｓｏｒｐｔｉｏｎｏｆｔｈｅｏｒｇａｎｉｃｌｉｇａｎｄｓａｎｄ…     

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.     

Synthesis and Characterization of Rare Earth Complexes of Ferrocenylcarbonylhydrazine

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

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…     

Vacuum Ultraviolet Spectral Investigations on Green-Emitting Ca(La,Gd)4Si3O13:Tb3+ Phosphors for PDP Applications

In an effort to develop new green-emitting PDP phosphors with high efficiency, investigated were the synthesis, VUV photoluminescence (PL) spectra, optical properties, and chromaticity of Ca(La1-x-yTbxGdy)4Si3O13 phosphors by using synchrotron radiation. Upon analysis of the VUV spectroscopic and chromaticity investigations on the new green-emitting VUV phosphors, were an optimized composition achieved. The PLE spectral studies show that Ca(La1-x-yTbxGdy)4Si3O13 exhibit significant absorption in the VUV range. The VUV PL intensity was found to enhance with Gd3 -doping. Furthermore, the 1931 CIE chromaticity coordinates of Ca(La,Gd)4Si3O13:Tb were found to be (0.286, 0.548), as compared to (0.230, 0.712) for Zn2SiO4:Mn2 as a reference. The potential application of Ca(La,Gd)4Si3O13:Tb as a new green-emitting PDP phosphor are being currently improving and evaluating.     

Stability of Rare Earth Ion-N, N′-bis（2′-Pyridine）methyl-1,10-Phenanthroline-2,9-Dimethanmine Binary Complexes

1 ,10 Phenanthrolinehasbeenextensivelyusedasanazaheterocyclicchelateligandinbothanalyticalandpreparativecoordinationchemistry[1] .Asanim portantligand ,1,10 phenanthrolineunitplaysanim portantroleforthedevelopmentofthesupramolecularchemistry .Manynovelsupramolecularcompoundsin clude 1,10 phenanthrolineunit[2～ 4 ] .Furthermore ,consideringtheuniquecombinationofchemicalstabil ities ,redoxproperties ,luminescenceemissionandex citedstatelifetime ,derivativesof 1,10 phenanthrolinehaveplayedama…     

Luminescence of Terbium Complexes Incorporated into Silica Matrix

Ｔｈｅｓｏｌ ｇｅｌｍｅｔｈｏｄｈａｓｓｈｏｗｎａｓｕｉｔａｂｌｅａｐｐｒｏａｃｈｆｏｒｔｈｅｐｒｅｐａｒａｔｉｏｎｏｆｎｏｖｅｌｌｕｍｉｎｅｓ ｃｅｎｔｍａｔｅｒｉａｌｓ .Ｍａｎｙｒｅｃｅｎｔｗｏｒｋｓｈａｖｅｆｏ ｃｕｓｅｄｏｎｔｈｅｄｅｖｅｌｏｐｍｅｎｔｏｆｓｏｌｉｄ ｓｔａｔｅｔｕｎａｂｌｅｄｙｅｌａｓｅｒｍｅｄｉａｕｓｉｎｇｏｒｇａｎｉｃｄｙｅｄｏｐａｎｔｓ[1 ,2 ]ａｎｄｔｒｉｓ( 2 ,2′ ｂｉｐｙｒｉｄｉｎｅ)ｒｕｔｈｅｎｉｕｍ (Ⅱ )ｃｏｍ ｐｌｅｘ[3 ,4 ] ｗｈｉｃｈｃａｎｈａｖｅｓｏｍｅｐｏ…     

Extraction Mechanism of Rare Earths with Sec-Octylphenoxy Acetic Acid by Two-Phase Titration Technique

Ｒａｒｅｅａｒｔｈｅｌｅｍｅｎｔｓａｒｅｕｓｅｄｗｉｄｅｌｙｂｅ ｃａｕｓｅｏｆｔｈｅｉｒｓｐｅｃｉａｌｅｌｅｃｔｒｉｃａｌ,ｍａｇｎｅｔｉｃａｎｄｏｐｔｉｃａｌｎａｔｕｒｅｓ .Ｗｉｔｈｔｈｅｈｉｇｈ ｓｐｅｅｄｄｅｖｅｌｏｐ ｍｅｎｔｏｆｍｏｄｅｒｎｓｃｉｅｎｃｅａｎｄｔｅｃｈｎｏｌｏｇｙ ,ｔｈｅｎｅｅｄｆｏｒｒａｒｅｅａｒｔｈｓｗｉｔｈｈｉｇｈｐｕｒｉｔｙｉｓｉｎｃｒｅａｓ ｉｎｇ .Ｓｏｉｔｉｓｖｅｒｙｉｎｔｅｒｅｓｔｉｎｇｔｏｓｔｕｄｙｔｈｅｓｅｐａ ｒａｔｉｏｎａｎｄｐｕｒｉｆｉｃａｔｉｏｎｏ…     

Luminescent Properties of Bi-Rare Earth Complexes with m-methylbenzoic Acid and 1, 10-phenanthroline

Ｔｈｅｒｅｈａｓｂｅｅｎａｇｒｏｗｉｎｇｉｎｔｅｒｅｓｔｉｎｔｈｅｌｕｍｉｎｅｓｃｅｎｃｅｐｒｏｐｅｒｔｉｅｓｏｆｌａｎｔｈａｎｉｄｅｃｏｍｐｌｅｘ ｅｓｗｉｔｈｏｒｇａｎｉｃａｃｉｄｓ ,ｓｕｃｈａｓａｒｏｍａｔｉｃａｃｉｄｓｏｒｐｈｔｈａｌｉｃａｃｉｄｓｂｅｃａｕｓｅｏｆｔｈｅｉｒｐｏｔｅｎｔｉａｌｃｈｅｍｉｃａｌａｎｄｂｉｏｌｏｇｉｃａｌａｐｐｌｉｃａｔｉｏｎｆｏｒｐｒｏｂｅｓａｎｄｌａｂｅｌｓ .Ｅｕ3 + ａｎｄＴｂ3 + ｈａｖｅｍｏｒｅｅｘｃｅｌ ｌｅｎｔｌｕｍｉｎｅｓｃｅｎｃｅｐｒｏｐｅｒｔｉ…     

Syntheses, characterization, and luminescence of two lanthanide complexes [Ln2(acetate)6(H2O)4]·4H2O (Ln=Tb(1), Sm(2))

Two dinuclear compounds [Ln2(acetate)6(H2O)4]·4H2O (Ln=Tb(1), Sm(2)) were obtained by the hydrothermal reaction of Ln2O3 with malonic acid at 150 ℃. Both compounds were characterized by elemental analyses, infrared spectra, and single crystal X-ray diffraction. The results showed that complexes 1 and 2 were isomorphous and crystallize in triclinic space group P(-1). The coordination geometry around Ln(III) ions in the complexes 1 and 2 was a distorted tricapped trigonal prism with a nine coordination. In the crystal, the molecular organization was further stabilized by well-defined weak hydrogen bonding interactions between the neutral dinuclear molecular units that led to the formation of a three-dimensional network. The fluorescence properties of the two complexes 1 and 2 in organic solvents were also studied. The results show that the ligand acetate favored energy transfer to the emitting energy level of Tb(III) in complex 1. Some factors that influence the fluorescent intensity were also discussed in the article.