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Gacoin Thierry

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CNRS Faculty (senior scientist)
Head of the Solid State Chemistry Group, LPMC Lab

Professor, Physics and Chemistry departments, Ecole Polytechnique
Dean of the Chemistry department, Ecole Polytechnique
Dean of the "Chemistry and Chemical Engineering Department", Institut Polytechnique de Paris

Contact :

+33 (0)1 69 33 46 56

Web site of the Solid State Chemistry group

Job offers (internships, PhD, Post-Docs)

Applications to


  • Research Themes :
    • materials Chemistry and Physics,
    • Liquid routes for the elaboration of colloidal nanoparticles and thin films (sol-gel, precipitation, colloid chemistry)
    • Optical properties
    • Micro/nanostructure effects on optical properties : size-shape-surface effects, dielectric microstructure
  • Mains subjects of investigations
    • Rare earth doped luminescent nanoparticles
    • Nanorods with anisotropic optical properties
    • Light emiting thin films
    • nanostructured dielectric thin films (high/low refractive index, birefringence, Bragg mirrors, photonic crystals)
    • metal/dielectric nanocomposites with transport and plasmonic properties
  • Main investigated compounds
    • Nanoparticles : CdS, CdS:Mn, YVO4:Ln, NaYF4:Ln, LaPO4, YAG:Ce, KTP, Ag, Au, TiO2, diamond
    • sol-gel silica, silicates, meso/marcoporous silica coatings, sol-gel TiO2
    • organic/inorganic hybrid materials
    • Silica/TiO2/Ag nanocomposites