Original Synthesis of Molybdenum Nitrides Using Metal Cluster Compounds as Precursors: Applications in Heterogeneous Catalysis
Source abstract
Abstract
Transition metal nitrides (TMN) form a class of materials with unique physical and chemical properties. Among them, molybdenum nitrides are mainly used as high-performance magnets or catalysts for a wide range of reactions. This work aims at developing innovative syntheses to prepare nanostructured TMN from metallic clusters for heterogeneous catalysis. The use of a nanoscale precursor such as (TBA)2Mo6Br14 (TBA = tetrabutylammonium = (C4H9)4N+) enables us to reach different molybdenum nitride compositions (Mo2N, Mo5N6) by thermal reaction under ammonia at relatively low temperatures. Such a novel synthetic approach highlights the prime importance of the starting material to stabilize specific stoichiometries. The impact of this new synthetic route is characterized by several techniques including electron probe microanalysis and high-resolution transmission microscopy. Moreover, catalytic properties of these potential cost-effective catalysts are investigated for the Water–Gas Shift Reaction.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Inorganic Chemistry and Materials · MXene and MAX Phase Materials · Catalytic Processes in Materials Science
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Univ. Rennes—CNRS—Institut des Sciences Chimiques de Rennes, UMR 6226, 35000 Rennes, France
CNRS—Saint-Gobain—NIMS, UMI 3629, Laboratory for Innovative Key Materials and Structures (LINK), National Institute for Materials Science, 1-1 Namiki, 305-0044 Tsukuba, Japan
CNRS—Saint-Gobain Research Provence, UMR 3080, Ceramic Synthesis and Functionalization Laboratory, 84306 Cavaillon, France
Research Center for Functional Materials, National Institute for Materials Science, 305-0044 Tsukuba, Japan
International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 305-0044 Tsukuba, Japan
Funding
Japan Society for the Promotion of Science · Centre National de la Recherche Scientifique · National Institute for Materials Science · Universit? de Rennes 1 · Saint-Gobain Research Provence
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