Publications

Physique

Spectroscopie transitoire et photo-commutation des propriétés optiques non linéaires de second ordre de cristaux photochromes d'anils, corrélation structure-propriétés

Une série d'anils originaux, de groupe d'espace non centrosymétrique actifs en génération de second harmonique (GSH) et photochromes à l'état cristallin, a été obtenue. Un des composés présente une GSH de 11 (vs urée), un deuxième une photo…

Michel Sliwa

ou physique

Energy Collection, Transport, and Trapping by Supramolecular Organization of Dyes in Hexagonal Zeolite Nano Crystals

The incorporation of guest molecules into the cavities of molecular sieves leads to a large variety of highly interesting materials. Zeolite L - an aluminosilicate with one-dimensional channels of open diameter 7.1 Å - is a very versatile material…

Claudia Minkowski, Minako Takano, Robert Bernard Pansu, Gion Calzaferri

Advanced Functional Materials - 2005

Design, synthesis, structural and nonlinear optical properties of photochromic crystals : toward reversible molecular switches.

M. Sliwa, S. Letard, Isabelle Malfant, M. Nierliech, P.G. Lacroix, T. Asahi, H. Masuhara, P. Yu, Keitaro Nakatani

Chemistry of Materials - 2005

Chimie de coordination

Synthesis, molecular structure and electrochemical properties of the star-shaped dinuclear complexes [Ru2(η6-p-Me-C6H4-iPr)2(μ2-S-p-C6H4-C4H3S)3]+ and [Rh2(η5-C5Me5)2(μ2-S-p-C6H4-C4H3S)3]+

Frederic Cherioux, Bruno Therrien, Saïd Sadki, Clément Comminges, Georg Süss-Fink

Journal of Organometallic Chemistry - 2005

Synthesis and Properties of New Tetrazines Substituted by Heteroatoms: Towards the World&s Smallest Organic Fluorophores

New tetrazines substituted by heteroatoms have been synthesized and their electrochemical and photochemical properties investigated. All compounds are reversibly electroactive with standard potentials shifting cathodically according to the donor…

Pierre Audebert, Fabien Miomandre, Gilles Clavier, Marie-Claude Vernières, Sophie Badré, Rachel Méallet-Renault

Chemistry - A European Journal - 2005

Chimie

All-Optical Orientation of Photoisomerizable Octupolar Zinc(II) Complexes in Polymer Films

A new type of 4,4‘-bis(styryl)-2,2‘-bipyridine functionalized by a dialkylamino-azobenzene group has been prepared. This ligand has allowed the preparation of photoisomerizable octupolar tris(bipyridyl)zinc(II) complexes and the corresponding star…

Lydie Viau, Sébastien Bidault, Olivier Maury, Sophie Brasselet, Isabelle Ledoux, Joseph Zyss, Eléna Ishow, Keitaro Nakatani, Hubert Le Bozec

Journal of the American Chemical Society - 2004

Chimie

Picosecond dynamics of the photoexcited 6-methoxyquinoline and 6-hydroxyquinoline molecules in solution

The photophysical properties of 6-methoxyquinoline (6MeOQ) and 6-hydroxyquinoline (6HQ) in organic solvents and in neutral, acidic, and alkaline aqueous solutions have been studied by picosecond transient absorption spectroscopy. The dynamics of…

O. Poizat, Elisabeth Bardez, G. Buntinx, Valérie Alain-Rizzo

Journal of Physical Chemistry A - 2004

ou physique

Effect of size and light power on the fluorescence yield of rubrene nanocrystals

Rubrene nanocrystals were prepared from a toluene emulsion. For the bigger one (>500nm), the absorption spectrum is deformed at wavelength where the absobance of a single nanocristal is higher that 0.1. The nanocristals exhibit a long lived…

Guillaume J. Laurent, N.Thanh Ha-Duong, Rachel Méallet-Renault, Robert Bernard Pansu

Masuhara, Hiroshi;Kawata,Satoshi - 2004

Autre

Etudes électrochimiques de cinétiques de polycondensation sol-gel et de la fractalité des xérogels

Le 6-triéthoxysilyl-1-hexyl-ferrocène est une molécule stable, pouvant se lier de manière irréversible aux polysiloxanes en croissance, et possédant des propriétés électrochimiques, pour pouvoir l'utiliser comme une nouvelle sonde rédox. Les études…

Sébastien Sallard

Biotechnologies

Polyaromatic Luminescent Nanocrystals for Chemical and Biological Sensors

Recently, we have engineered new hybrid organic-inorganic materials through a simple and generic preparation of stable organic nanocrystals grown in sol-gel thin films prepared by spin-coating. 1-3 This process is based on the confined nucleation…

E. Botzung-Appert, Virginie Monnier, T Ha Duong, R. Pansu, A. Ibanez

Chemistry of Materials - 2004