Abstract
The morphologies and surface structures of particles with different compositions are vital for determining their properties and applications. But the morphological and structural changes associated with the composition changes of MgO precursors and the physicochemical properties of the obtained MgO are barely studied. Herein we reported the morphology, surface structure and physicochemical property changes of MgO particles associated with the ratio of two basic precipitation reagents (Na2C2O4 and K2CO3) for the construction of MgO precursors. We also found that the physicochemical properties of the obtained MgO were closely related to the ratios of Na2C2O4 and K2CO3. When the ratio was 1 : 1, the generated MgO exhibited superior surface basicity and catalytic performance relative to others.
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