A facile morphology-controllable synthetic route to monodisperse K3PMo12O40□nH2O crystals

作者:Yu, C. -H.; Qiang, Z. -M.; Yu, S. -W.; Li, T. -H.; Li, F.*; Huttula, M.; Cao, W.
来源:Materials Today Chemistry, 2022, 26: 100988.
DOI:10.1016/j.mtchem.2022.100988

摘要

Synthesis is the base of experimental chemistry. Herein, monodisperse K3PMo12O40 square nH(2)O polyoxometalates (POMs) with different morphologies have been reached by tuning synthetic conditions of the K/POM ratio, stirring speed and time, and reaction temperatures. Among these factors, the K/POM ratio is identified most critical in morphological controls of the K3PMo12O40 square nH(2)O particles, altering them from cubes to spheres. Additionally, morphological transformations were identified through a selfassembly and Ostwald ripening process, setting a generic synthetic strategy for the POM systems. Such synthetic strategies have substantial applications in catalytic or surface-demanding fields requiring POM materials with controlled morphology.