30/11/1995 · Original Article

List of the new elected members to the European Academy of Sciences
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Interleukin-17 and Type 17 Helper T Cells — NEJM

The partial introduction of electron rich elements (especially rhenium) in place of molybdenum in Chevrel phases allowed to control the electronic density in these compounds and to reach the magic number of 24 electrons per cluster, with three consequences: the stabilization of the metastable Mo6S8, the experimental confirmation of the energy diagramme of these materials (illustrated by the changes in transport properties), and the possible existence of rhenium octahedral clusters, provided the ligands were well selected. Indeed, a number of new compounds were synthesized by high temperature solid state reaction and structurally characterized. They belong to the ternary Re-Y-X (Y = chalcogen, X = halogen) and the quaternary diagrammes M-Re-Y-X (M = countercation, in most cases alkaline). Selecting both the total number of ligands and the halogen/chalcogen ratio, a wide variety of stackings were controlled, including molecular or ionic 0-D, 1-D, 2-D and 3-D structures that involve different types of bridges. Some of these compounds are soluble in polar organic solvents, and even in water for restricted examples, giving access to new organic/inorganic hybrids and a nonmaterial approach. Examples are the substitution of counter cations by organic (alkylammonium or TTF derivatives), organometallic, complex, solvated or kryptate ones, the substitution of halogen apical ligands by cyano, azo or pyrazine ligands.

This work describes the synthesis of Chevrel phase Mo 6 S 8 nanocubes and its application as the anode material for rechargeable Zn-ion batteries.
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the diselenide and the Chevrel phase nucleated at …

N2 - The hydrodesulfurization activity of reduced molybdenum sulfides was investigated with a series of Chevrel phase, ternary molybdenum sulfides - M//xMo//6S//8. Copper, iron, and cobalt Chevrel phase compounds were prepared at 1200 degree C by solid state synthesis procedures; the cobalt compounds which were prepared included a range of cobalt-to-molybdenum ratios. Hydrodesulfurization activities for thiophene conversion were measured at 400 degree C with both pulsed and continuous flow reactors. Hydrogenation activities were determined in a pulsed mode at 400 degree C with 1-butene. The hydrodesulfurization activities of all Chevrel phases were comparable to unpromoted and cobalt-promoted MoS//2 model catalysts. However, the hydrogenation activities of the Chevrel phase catalysts were much lower. X-ray diffraction, laser Raman spectroscopy, and X-ray photoelectron spectroscopy were used to analyze the fresh and used catalysts.

Excision of the {Mo 6 Se 8} Cluster Core from a Chevrel Phase: Synthesis and Properties of the First Molybdenum Octahedral Cluster Selenocyanide Anions [Mo 6 …
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The hydrodesulfurization activity of reduced molybdenum sulfides was investigated with a series of Chevrel phase, ternary molybdenum sulfides - M//xMo//6S//8. Copper, iron, and cobalt Chevrel phase compounds were prepared at 1200 degree C by solid state synthesis procedures; the cobalt compounds which were prepared included a range of cobalt-to-molybdenum ratios. Hydrodesulfurization activities for thiophene conversion were measured at 400 degree C with both pulsed and continuous flow reactors. Hydrogenation activities were determined in a pulsed mode at 400 degree C with 1-butene. The hydrodesulfurization activities of all Chevrel phases were comparable to unpromoted and cobalt-promoted MoS//2 model catalysts. However, the hydrogenation activities of the Chevrel phase catalysts were much lower. X-ray diffraction, laser Raman spectroscopy, and X-ray photoelectron spectroscopy were used to analyze the fresh and used catalysts.

Recent progress in chevrel phase syntheses: A new low temperature synthesis of the superconducting lead compound
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Ultra fast elemental synthesis of high yield ..

Srinivasan, Synthesis and properties of o-containing chevrel phases, CoXMo6S6O2, NiXMo6S6O2, CuXMo6S6O2, and PbXMo6S6O2,