(Nano)Chemistry, inside and out
My research is centered on the design, synthesis and applications of nanoparticles using the tools of molecular and materials chemistry.
News and highlights
August 31, 2024: Article about Cobalt and Nickel Phosphides for CatalysisOur latest work from the ERC NanoFLP research program is out. Here we developped a large-scale robust synthesis of Co2P and Ni2P nanoparticles based on the commercial phosphine HETAP. We also showed that addition of a well-selected second phosphine was able to trigger a low-temperature catalytic hydrogenation of phenylacetylene. Read the article. With: Anthony, Sophie |
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Featured Results
Refining the NanoFLP ConceptStill fighting to unveil an authentic NanoFLP, we uncovered an interesting low-temperature behavior of Ni nanoparticles in the presence of well-selected phosphine. This could be interpreted as the formation of a surface frustrated Lewis pair for H-H cleavage... but also as a consequence of phenylacetylene activation. What do you make of this? |
Carbon is our friend!Nickel fame for catalysis now extends to a new guy: nickel carbide. In this work, we show that this phase can be used as a catalyst for the hydrgenation of a number of moieties, coming along a greater robustness than the metallic counter-part. Check out our nickel carbide buddy. |
Make them saferIt's a small step for the world of nanoparticles, but a big step for our beloved oxysulfides nanoplates: in this work, we propose to evaluate, in a very preliminary approach, some of the interactions of the nanoparticles with macrophage cells. We turned on the lamp (visible light) and monitored the impact in the production of radicals. Read for yourself. |
Did you say NanoFLP?We have been proposing for a while to use metal nanoparticles as partners in Frustrated Lewis Pairs. Now, we found that nickel-cobalt nanoparticles associated to well-chosen phosphines likely form such a pair, based on the correlation between Si-H bond activation and the Tolman cone angle of the phosphine: only a tiny range of steric hindrance is suitable, and it is related to the silane bulkiness. We believe we nailed it. Make your own opinion. |
Molybdenum mapped outMolybdenum is a key element of the energy transition. X-ray absortion spectroscopy at the L-edge is an amazing way to analyze it in solids, liquids, composites, etc. Here, we wrote some simple guidelines to interpret the data and we provided a consistent series of spectra for well-known, and less-know, Mo compounds. Read our map. |
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Resources
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Sorbonne Université - LCMCP
Tour 34-44, bureau 412, CC174
4 Place Jussieu
75252 Paris Cedex 05, FRANCE
sophie.carenco*sorbonne-universite.fr (* is @)
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