Research

Organometallic Chemistry

Organotin assemblies containig carboxylates, phosphates, sulphonates

  • Organotin Cages and Clusters

  • Supramolecular networks Based on Organotin Motifs

  • Organostannoxane Macrocycle

     
Inorganic-Cored Star Bursts

  • Acyclic and cyclic Multi-site Coordinating Ligands

     

    Tetrapyrazolylcarbaphosphazene copper Assembly

    Tetrapyrazolylcarbaphosphazene copper Assembly

     

  • Tetranuclear Copper Assemblies

    Tetrapyrazolylcarbaphosphazene copper Assembly

    Tetrapyrazolylcarbaphosphazene copper Assembly

  • Advanced Inorganic and organometallic Polymers: Polymer electrolytes, Polymer supported catalysts

      Copper metallated cyclophosphazene pendant cross-linked polymer as efficient catalysts for phosphate-ester hydrolysis

    Palladium metallated cyclophosphazene pendant polymers as efficient catalysts for Heck reactions

    New polymer precursor route for β-SiC
Multinuclear Transition Metal Assemblies

  • Copper phosphonate clusters in presence of ancillary ligands

     

    A tetranuclear copper cluster

    A dodecanuclear copper cluster

     

  • Zinc phosphonate clusters in presence of ancillary ligands

     

    A trinuclear zinc cluster

    A hexanuclear zinc cluster   
Inorganic Rings and Polymers

  • Acyclic and cyclic Multi-site Coordinating Ligands

     

    Tetrapyrazolylcarbaphosphazene copper Assembly

    Tetrapyrazolylcarbaphosphazene copper Assembly

     

  • Tetranuclear Copper Assemblies

    Tetrapyrazolylcarbaphosphazene copper Assembly

    Tetrapyrazolylcarbaphosphazene copper Assembly

  • Advanced Inorganic and organometallic Polymers: Polymer electrolytes, Polymer supported catalysts

     

    Copper metallated cyclophosphazene pendant cross-linked polymer as efficient catalysts for phosphate-ester hydrolysis

    Palladium metallated cyclophosphazene pendant polymers as efficient catalysts for Heck reactions

    New polymer precursor route for β-SiC
Single Molecule Magnets

  • Structure of [L2Co2Gd]+

     

     

  • Magnetic properties of [L2Co2Gd]+

    AC susceptibility measurement at zero DC field

Phosphoresent Organometallic Compounds

[{Ir(ppy)2}3(L1)2]3+
A Bright Red Trinuclear Ir(III) Phosphor

Emission spectra
Chem. Commun. 2011, 47, 10836-10838

 [{Ir(ppy)2}2(μ-bpa)2]

 

[{Ir(ppy)2}2(μ-bpe)2]

 

[{Ir(ppy)2}2(μ-abp)]

 

[{Ir(ppy)2}2(μ-bpfd)]

 

Contour surfaces of HOMOs (below) and LUMOs (top) computed for the DFT optimized structures

Emission spectra in acetonitrile
Inorg. Chem. 2012, 51, 1319-1329