Nano-sized Mn3O4 and β-MnOOH from the decomposition of β-cyclodextrin-Mn: 1. Synthesis and characterization.

Nano-sized Mn oxides contain Mn3O4 and β-MnOOH have been prepared by a simple and high-yield method using β-cyclodextrin as a ligand for Mn ions, and decomposition of this Mn complex. Scanning electron microscopy, transmission electron microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy and X-ray diffraction spectroscopy have been used to characterize morphologies and the phases of these prepared nano-sized Mn oxides.