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Affichage des publications 541 à 550 sur 970 au total

ou physique

Can betaine pyridinium derivatives be used to control the photoejection of cation ?

Using a combination of advanced DFT/TDDFT calculations together with ultrafast and stationary spectroscopies we have investigated the photochemistry and cationic complexation ability of 1-pyridinio-benzimidazolate (PyB) and analogs substituted by 15…

S. Aloïse, Y. Ruan, I. Hamdi, A.K. Tiwari, G. Buntinx, C. Azarias, A. Perrier, I. Leray

Physical Chemistry Chemical Physics -

Chimie

Modulation of Eu(III) and Yb(III) Luminescence Using a DTE Photochromic Ligand

In this work, we show that a dithienylethene (DTE) modified dipicolinic amide ligand can be a versatile tool to modulate Eu(III) and Yb(III) luminescence using light as an external stimulus. The nature of the modulation depends on the lanthanide…

Xiaoyan He, Lucie Norel, Yves-Marie Hervault, Rémi Métivier, Anthony d'Aléo, Olivier Maury, Stéphane Rigaut

Inorganic Chemistry -

Chimie inorganique

Multinuclear NMR as a tool for studying local order and dynamics in CH3NH3PbX3 (X = Cl, Br, I) hybrid perovskites

We report on Pb, Br, N, H, C and H NMR experiments for studying the local order and dynamics in hybrid perovskite lattices. Pb NMR experiments conducted at room temperature on a series of MAPbX compounds (MA = CHNH; X = Cl, Br and I) showed that the…

Claire Roiland, Gaelle Trippé-Allard, Kaoula Jemli, Bruno Alonso, Jean-Claude Ameline, Regis Gautier, Thierry Bataille, Laurent Le Polles, Emmanuelle Deleporte, Jacky Even, Claudine Katan

Physical Chemistry Chemical Physics -

ou physique

Supercontinuum laser in microscopy

Tuning the excitation wavelength inside a epifluorescence microscope thanks to a supercintinuum laser

Christopher Ayala, Jean-Frédéric Audibert, Robert B. Pansu

Bactériologie

Rapid and accurate detection of Escherichia coli growth by fluorescent pH-sensitive organic nanoparticles for high-throughput screening applications.

Rapid detection of bacterial growth is an important issue in the food industry and for medical research. Here we present a novel kind of pH-sensitive fluorescent nanoparticles (FANPs) that can be used for the rapid and accurate real-time detection…

Yang Si, Chloé Grazon, Gilles Clavier, Rieger Jutta, J.F. Audibert, Bianca Sclavi, Rachel Méallet-Renault

Biosensors and Bioelectronics -

ou physique

Narrow Linewidth Excitonic Emission in Organic-Inorganic Lead Iodide Perovskite Single Crystals

Hybrid perovskite thin films have demonstrated impressive performance for solar energy conversion and optoelectronic applications. However, further progress will benefit from a better knowledge of the intrinsic photophysics of materials. Here, the…

Hiba Diab, Gaelle Trippe-Allard, Ferdinand Lédée, Khaoula Jemli, Christèle Vilar, Guillaume Bouchez, Vincent L.R Jacques, Antonio Tejeda, Jacky Even, Jean‐sébastien Lauret, Emmanuelle Deleporte, Damien Garrot

Journal of Physical Chemistry Letters -

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