Crystal Face Anisotropy of Propylene Oxidation on Molybdenum Trioxide

Article abstract of DOI:10.1246/bcsj.61.2585

Samples of MoO3 consisting of unsupported oriented crystallites exposing primarily the (010) plane and of randomly oriented powders were used to study the partial oxidation of propylene and allyl iodide.The materials were characterized by scanning electron microscopy, X-ray diffraction, infrared spectroscopy, laser Raman spectroscopy, temperature programmed desorption of ammonia and surface area measurements.The unoriented powders were twice as active as the oriented crystallites in the oxidation of propylene, but both were similar in activity in the oxidation of allyl iodide.Thus, the reactions depended only slightly on the structure of the MoO3.