Morphology controllable synthesis of CoMn2O4 structures by adjusting the urea concentration: From microflowers to microspheres

• CoMn2O4 microflower and microsphere are realized by adjusting urea concentration.
• FESEM images indicate as-prepared CoMn2O4 samples are highly uniform.
• Urea concentration plays a key role in formation of two different CoMn2O4 shapes.

CoMn2O4 microflower and microsphere structures have been facilely and solvothermally realized by adjusting the urea concentration. The morphologies of as-prepared CoMn2O4 samples were investigated using field emission scanning electron microscope (FESEM). The chemical compositional and crystalline structural changes of as-prepared samples were characterized using X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The present work has demonstrated that the urea concentration has played an important role in formation of CoMn2O4 microflower and microsphere. The mechanism of the morphology-controlled synthesis of CoMn2O4 is also discussed.

Two different morphologies for CoMn2O4 microflowers and microspheres were successfully obtained by adjusting the urea concentration in the solvothermal method.Figure optionsDownload as PowerPoint slide