Abstract
Abstract Controlled synthesis of hierarchical Barium molybdate (BaMoO 4 ) nanostructures with different morphologies, such as peanut-like, cube-like and flower-like, was successfully achieved in aqueous solution at room temperature. The obtained products were characterized by a scanning electron microscope (SEM) and an X-ray power diffractometer (XRD). The morphologies of the obtained products were found to be greatly dependent on reaction time, EDTA concentration and the [Ba 2+ ]/[MoO 4 2− ] ratio. This controllable method could be readily extended to produce hierarchical Barium tungstate (BaWO 4 ) nanostructures with peanut-like, dumbbell-like, sphere-like and flower-like morphologies. The photoluminescence (PL) properties of the obtained BaMoO 4 and BaWO 4 nanostructures exhibited strong dependence on the morphologies and sizes, respectively.
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