Publications related to Lanthanide coordination chemistry: from old concepts to coordination polymers

TCNQ-based Supramolecular Architectures at Metal Surfaces

Molecular self-assembly at metal surfaces has been recognized as an efficient strategy to create supramolecular nanoarchitectures with promising functionalities. The focus of this thesis lies on the strong electron accepting molecule 7,7,8,8-tetracyanoquin ...

EPFL2010

Coordination dependent magnetic properties of 3d and 4d metal nano-structures

Violetta Sessi

In this thesis, the magnetic properties of self-assembled 3d and 4d metal nano-structures supported on surfaces have been investigated. The atomic coordination within the nano-structures was found to profoundly affect important quantities such as the magne ...

EPFL2010

Intermolecular Interactions as Actors in Energy-Transfer Processes in Lanthanide Complexes with 2,2′-Bipyridine

Jean-Claude Bünzli

A series of lanthanide complexes [LnClx(bpy)y(H2O)z]Cl3-x(H2O)n(EtOH)m (Ln ) Eu, Gd, Tb; x ) 1, 2; y ) 1, 2; z ) 2-4) with different numbers of 2,2′-bipyridine (bpy), chloride ions, and water molecules in the inner coordination sphere were synthesized and ...

2009

Luminescent Lanthanide Helicates Self-Assembled from Ditopic Ligands Bearing Phosphonic Acid or Phosphoester Units

Jean-Claude Bünzli, Anne-Sophie Chauvin, Steve Comby, Cyntia De Piano, Céline Rita Duhot, Matthias Baud

A series of hexadentate ditopic receptors incorporating benzimidazole moieties have been designed, which are fitted with phosphonic acid or phosphoethylester coordinating units. In addition, poly(oxyethylene) pendants have been introduced on the benzimidaz ...

2009

Gadolinium(III) complexes of 1,4,7-triazacyclononane based picolinate ligands: simultaneous optimization of water exchange kinetics and electronic relaxation

Lothar Helm, Marinella Mazzanti

The two new tripodal picolinate H3ebpatcn (1-carboxyethyl-4,7-bis((6-carboxypyridin-2-yl)-methyl)-1,4,7-triazacyclononane) and H4pbpatcn (1-methylphosphonic-acid-4,7-bis((6-carboxypyridin-2-yl)methyl)-1,4,7-triazacyclononane) ligands based on the 1,4,7-tri ...

Royal Society of Chemistry2009

Supramolecular approach to the synthesis of [60]fullerene-metal dithiocarbamate complexes, {(M-II(R(2)dtc)(2))(x)center dot L}center dot C-60 (M = Zn, Cd, Hg, Fe, and Mn; x=1 and 2). The study of magnetic properties and photoconductivity

László Forró, Bálint Náfrádi

Coordination assemblies formed by metal(II) dithiocarbamates M-II(R(2)dtc)2 (M = Zn, Cd, Hg, Mn, and Fe; R = Me, Et, iPr, nPr, and nBu) and nitrogen-containing ligands (L = DABCO, DMP, and HMTA) are shown to be sterically well consistent with the spherical ...

2008

Luminescent lanthanides bioprobes emitting in the visible and/or near-infrared ranges

Steve Comby

This Ph.D. work deals with the development of lanthanide-based bioprobes for biomedical analyses and imaging. For this purpose, two different approaches have been followed, one focusing on visible-emitting complexes, while the second addresses the sensitiz ...

EPFL2008

Acetonitrile exchange kinetics on di- and trivalent lanthanide ions

Gabriella Eva Bodizs

The knowledge and understanding of the mechanism as well as the rate constant of the solvent exchange reactions are fundamental, since these reactions represent an important step in complex formation reactions on metal ions. Solvent exchange reactions in a ...

EPFL2008

Metals in Proteins: Correlation Between the Metal-Ion Type, Coordination Number and the Amino-Acid Residues Involved in the Coordination

Ivan Dokmanic

Metal ions are constituents of many metalloproteins, in which they have either catalytic (metalloenzymes) or structural functions. In this work, the characteristics of various metals were studied (Cu, Zn, Mg, Mn, Fe, Co, Ni, Cd and Ca in proteins with know ...

2008

Effect of the length of polyoxyethylene substituents on luminescent bimetallic lanthanide bioprobes

Jean-Claude Bünzli, Anne-Sophie Chauvin, Caroline Vandevyver, Bo Song

The new homoditopic ligand

H_2L^{C2'}

self-assembles with lanthanide ions (

Ln^{III}

) to yield neutral bimetallic helicates of overall composition

[Ln_2(L^{C2'})_3]

; it is fitted with two hexakis(oxyethylene) chains to test their effects on the thermo ...

2008

Lanthanide coordination chemistry: from old concepts to coordination polymers

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TCNQ-based Supramolecular Architectures at Metal Surfaces

Coordination dependent magnetic properties of 3d and 4d metal nano-structures

Intermolecular Interactions as Actors in Energy-Transfer Processes in Lanthanide Complexes with 2,2′-Bipyridine

Luminescent Lanthanide Helicates Self-Assembled from Ditopic Ligands Bearing Phosphonic Acid or Phosphoester Units

Gadolinium(III) complexes of 1,4,7-triazacyclononane based picolinate ligands: simultaneous optimization of water exchange kinetics and electronic relaxation

Supramolecular approach to the synthesis of [60]fullerene-metal dithiocarbamate complexes, {(M-II(R(2)dtc)(2))(x)center dot L}center dot C-60 (M = Zn, Cd, Hg, Fe, and Mn; x=1 and 2). The study of magnetic properties and photoconductivity

Luminescent lanthanides bioprobes emitting in the visible and/or near-infrared ranges

Acetonitrile exchange kinetics on di- and trivalent lanthanide ions

Metals in Proteins: Correlation Between the Metal-Ion Type, Coordination Number and the Amino-Acid Residues Involved in the Coordination

Effect of the length of polyoxyethylene substituents on luminescent bimetallic lanthanide bioprobes

Coordination dependent magnetic properties of 3d and 4d metal nano-structures

TCNQ-based Supramolecular Architectures at Metal Surfaces

Intermolecular Interactions as Actors in Energy-Transfer Processes in Lanthanide Complexes with 2,2′-Bipyridine

Supramolecular approach to the synthesis of [60]fullerene-metal dithiocarbamate complexes, {(M-II(R(2)dtc)(2))(x)center dot L}center dot C-60 (M = Zn, Cd, Hg, Fe, and Mn; x=1 and 2). The study of magnetic properties and photoconductivity

Luminescent lanthanides bioprobes emitting in the visible and/or near-infrared ranges

Acetonitrile exchange kinetics on di- and trivalent lanthanide ions

Effect of the length of polyoxyethylene substituents on luminescent bimetallic lanthanide bioprobes

Gadolinium(III) complexes of 1,4,7-triazacyclononane based picolinate ligands: simultaneous optimization of water exchange kinetics and electronic relaxation

Metals in Proteins: Correlation Between the Metal-Ion Type, Coordination Number and the Amino-Acid Residues Involved in the Coordination

Luminescent Lanthanide Helicates Self-Assembled from Ditopic Ligands Bearing Phosphonic Acid or Phosphoester Units