Oxidation and metal-insertion in molybdenite surfaces: evaluation of charge-transfer mechanisms and dynamics |
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| Authors: | CV Ramana U Becker V Shutthanandan CM Julien |
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| Institution: | 1.Nanoscience and Surface Chemistry Laboratory, Department of Geological Sciences,University of Michigan,Ann Arbor,USA;2.Department of Metallurgical and Materials Engineering,University of Texas at El Paso,El Paso,USA;3.Environmental Molecular Sciences Laboratory,Pacific Northwest National Laboratory,Richland,USA;4.Institut des Nano-Sciences de Paris, CNRS-UMR 7588,Université Pierre et Marie Curie Campus Boucicaut,Paris,France |
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| Abstract: | Molybdenum disulfide (MoS2), a layered transition-metal dichalcogenide, has been of special importance to the research community of geochemistry, materials
and environmental chemistry, and geotechnical engineering. Understanding the oxidation behavior and charge-transfer mechanisms
in MoS2 is important to gain better insight into the degradation of this mineral in the environment. In addition, understanding the
insertion of metals into molybdenite and evaluation of charge-transfer mechanism and dynamics is important to utilize these
minerals in technological applications. Furthermore, a detailed investigation of thermal oxidation behavior and metal-insertion
will provide a basis to further explore and model the mechanism of adsorption of metal ions onto geomedia. |
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